diff --git a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/MissingQuests.txt b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/MissingQuests.txt
index 197b6e4721..1a7ecb3dc0 100644
--- a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/MissingQuests.txt
+++ b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/MissingQuests.txt
@@ -85,7 +85,6 @@
 10846 Bloody Battle - Meeting the Commander
 10848 Trials before the Battle
 10849 Trials for Adaptation
-10851 Elven Botany
 10852 The Mother Tree Revival Project
 10853 To Weaken the Giants
 10854 To Seize the Fortress
diff --git a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/Q10851_ElvenBotany.java b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/Q10851_ElvenBotany.java
new file mode 100644
index 0000000000..12509872b9
--- /dev/null
+++ b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/Q10851_ElvenBotany.java
@@ -0,0 +1,197 @@
+/*
+ * This file is part of the L2J Mobius project.
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package quests.Q10851_ElvenBotany;
+
+import org.l2jmobius.gameserver.enums.Faction;
+import org.l2jmobius.gameserver.enums.QuestSound;
+import org.l2jmobius.gameserver.enums.QuestType;
+import org.l2jmobius.gameserver.model.actor.Npc;
+import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.quest.Quest;
+import org.l2jmobius.gameserver.model.quest.QuestState;
+import org.l2jmobius.gameserver.model.quest.State;
+
+/**
+ * Elven Botany (10851)
+ * @URL https://l2wiki.com/Elven_Botany
+ * @author Gigi
+ * @date 2019-06-11 - [21:21:45]
+ */
+public class Q10851_ElvenBotany extends Quest
+{
+	// NPCs
+	private static final int CELESTIEL = 34234;
+	private static final int IRENE = 34233;
+	// Misc
+	private static final int MIN_LEVEL = 102;
+	// Monsters
+	private static final int FLOWER_BUD = 19600;
+	private static final int APHERUS = 23581;
+	// Items
+	private static final int APHERUS_SAMPLE = 47200;
+	private static final int FLOWER_BUD_SAMPLE = 47201;
+	private static final int BASIC_SUPPLY_BOX = 47178;
+	
+	public Q10851_ElvenBotany()
+	{
+		super(10851);
+		addStartNpc(CELESTIEL);
+		addTalkId(CELESTIEL, IRENE);
+		addKillId(FLOWER_BUD, APHERUS);
+		registerQuestItems(APHERUS_SAMPLE, FLOWER_BUD_SAMPLE);
+		addCondMinLevel(MIN_LEVEL, "guardian_follower_q10851_02.htm");
+		addFactionLevel(Faction.MOTHER_TREE_GUARDIANS, 2, "guardian_follower_q10851_03.htm");
+	}
+	
+	@Override
+	public String onAdvEvent(String event, Npc npc, PlayerInstance player)
+	{
+		final QuestState qs = getQuestState(player, false);
+		if (qs == null)
+		{
+			return null;
+		}
+		
+		String htmltext = event;
+		switch (event)
+		{
+			case "guardian_follower_q10851_04.htm":
+			case "guardian_follower_q10851_05.htm":
+			{
+				htmltext = event;
+				break;
+			}
+			case "guardian_follower_q10851_06.htm":
+			{
+				qs.startQuest();
+				htmltext = event;
+				break;
+			}
+			case "guardian_leader_q10851_02.html":
+			{
+				qs.setCond(2, true);
+				htmltext = event;
+				break;
+			}
+			case "guardian_leader_q10851_05.html":
+			{
+				if (qs.isCond(3) && (player.getLevel() >= MIN_LEVEL))
+				{
+					giveItems(player, BASIC_SUPPLY_BOX, 1);
+					addExpAndSp(player, 44_442_855_900L, 44_442_720);
+					qs.exitQuest(QuestType.ONE_TIME, true);
+					htmltext = event;
+				}
+				else
+				{
+					htmltext = getNoQuestLevelRewardMsg(player);
+				}
+				break;
+			}
+		}
+		return htmltext;
+	}
+	
+	@Override
+	public String onTalk(Npc npc, PlayerInstance player)
+	{
+		String htmltext = getNoQuestMsg(player);
+		final QuestState qs = getQuestState(player, true);
+		
+		switch (qs.getState())
+		{
+			case State.CREATED:
+			{
+				htmltext = "guardian_follower_q10851_04.htm";
+				break;
+			}
+			case State.STARTED:
+			{
+				switch (npc.getId())
+				{
+					case CELESTIEL:
+					{
+						if (qs.getCond() > 0)
+						{
+							htmltext = "guardian_follower_q10851_07.html";
+						}
+						break;
+					}
+					case IRENE:
+					{
+						if (qs.isCond(1))
+						{
+							htmltext = "guardian_leader_q10851_01.html";
+						}
+						else if (qs.isCond(2))
+						{
+							htmltext = "guardian_leader_q10851_03.html";
+						}
+						else
+						{
+							htmltext = "guardian_leader_q10851_04.html";
+						}
+						break;
+					}
+				}
+				break;
+			}
+			case State.COMPLETED:
+			{
+				htmltext = getAlreadyCompletedMsg(player);
+				break;
+			}
+			
+		}
+		return htmltext;
+	}
+	
+	@Override
+	public String onKill(Npc npc, PlayerInstance killer, boolean isSummon)
+	{
+		final QuestState qs = getQuestState(killer, false);
+		if ((qs != null) && qs.isCond(2))
+		{
+			switch (npc.getId())
+			{
+				case FLOWER_BUD:
+				{
+					if (getQuestItemsCount(killer, FLOWER_BUD_SAMPLE) < 50)
+					{
+						giveItems(killer, FLOWER_BUD_SAMPLE, 1);
+						playSound(killer, QuestSound.ITEMSOUND_QUEST_ITEMGET);
+					}
+					break;
+				}
+				case APHERUS:
+				{
+					if (getQuestItemsCount(killer, APHERUS_SAMPLE) < 150)
+					{
+						giveItems(killer, APHERUS_SAMPLE, 1);
+						playSound(killer, QuestSound.ITEMSOUND_QUEST_ITEMGET);
+					}
+					break;
+				}
+			}
+			if ((getQuestItemsCount(killer, FLOWER_BUD_SAMPLE) >= 50) && (getQuestItemsCount(killer, APHERUS_SAMPLE) >= 150))
+			{
+				qs.setCond(3, true);
+			}
+		}
+		return super.onKill(npc, killer, isSummon);
+	}
+}
diff --git a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_01.htm b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_01.htm
new file mode 100644
index 0000000000..d5cccf3ff8
--- /dev/null
+++ b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_01.htm
@@ -0,0 +1,5 @@
+<html><body>Celestiel:<br>
+Ah, if you could spare the time, could you help me out?<br>
+I need help for something, and you could be the one I can trust.<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_follower_q10851_04.htm">"What is it?"</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_02.htm b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_02.htm
new file mode 100644
index 0000000000..704bb3ca17
--- /dev/null
+++ b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_02.htm
@@ -0,0 +1,4 @@
+<html><body>Celestiel:<br>
+I'm sorry, but this is a dangerous place. We cannot guarantee your safety. Please take yourself some place safe.<br>
+(This quest can only be undertaken by characters with Lv. 102 or higher whose faction level with the Mother Tree Guardian is 2 or higher.)
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_03.htm b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_03.htm
new file mode 100644
index 0000000000..18d33363b7
--- /dev/null
+++ b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_03.htm
@@ -0,0 +1,5 @@
+<html><body>Celestiel:<br>
+I'm sorry, but I'm rather iffy about putting you on assignment.<br>
+This is a dangerous place. Please take yourself some place safe.<br>
+(This quest can only be undertaken by characters whose faction level with the Mother Tree Guardians is 2 or higher.)
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_04.htm b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_04.htm
new file mode 100644
index 0000000000..d3c620963e
--- /dev/null
+++ b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_04.htm
@@ -0,0 +1,6 @@
+<html><body>Celestiel:<br>
+I am Celestiel. I have come here with Irene in search of a way to save the Mother Tree.<br>
+I know how to do bits and pieces of many things. I'm usually studying changes in the plants and the soil here, but I need more samples for my research. That's why I'm asking you for help.<br>
+I've been searching for the samples firsthand until now, but it's been taking me so long that I've been falling behind on my research. I have no choice but to dedicate myself to research while having somebody else hunt around for samples.<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_follower_q10851_05.htm">"What samples do you need?"</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_05.htm b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_05.htm
new file mode 100644
index 0000000000..c00d493144
--- /dev/null
+++ b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_05.htm
@@ -0,0 +1,6 @@
+<html><body>Celestiel:<br>
+Oh! The samples I need are samples of a few particular species of plant that live here.<br>
+Until now, Fairy Mimyu has been helping me collect enough Nymph Stamen, but it's too hard finding samples other than those.<br>
+But I'm a bit hesitant about asking Fairy Mimyu to find me the other samples too.<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_follower_q10851_06.htm">"What samples do I need to find?"</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_06.htm b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_06.htm
new file mode 100644
index 0000000000..918153726b
--- /dev/null
+++ b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_06.htm
@@ -0,0 +1,5 @@
+<html><body>Celestiel:<br>
+Ah, so will you help me out?<br>
+If that's the case, the samples I need are... oh, I guess you don't exactly how many of which samples I'll be needing, since Irene was the one who was managing the samples.<br>Would you go to Irene and ask which samples required for the research are?<br>
+See, I've been bugging Irene with a bunch of questions, even just now... I think it would be better for you to go and ask instead of me.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_07.html b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_07.html
new file mode 100644
index 0000000000..6355dd1b58
--- /dev/null
+++ b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_07.html
@@ -0,0 +1,4 @@
+<html><body>Celestiel:<br>
+Please go to Irene and ask her which samples needed for the biological research are.<br>
+If you ask her yourself, she's sure to give you a kind answer with a smile.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_01.html b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_01.html
new file mode 100644
index 0000000000..16e5eceda5
--- /dev/null
+++ b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_01.html
@@ -0,0 +1,5 @@
+<html><body>Guardian Irene:<br>
+What's going on?<br>
+I thought you were speaking with Celestiel until just now.<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_leader_q10851_02.html">"So the samples..."</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_02.html b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_02.html
new file mode 100644
index 0000000000..ecbe79b427
--- /dev/null
+++ b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_02.html
@@ -0,0 +1,5 @@
+<html><body>Guardian Irene:<br>
+I was wondering what Celestiel was talking so enthusiastically about. I guess you were talking about the samples.<br>
+I swear she told me just a short while ago that she needed some kind of sample... Well, with her being as busy as she is nowadays with her research, her being so forgetful is understandable.<br>
+Samples needed are <font color="LEVEL">150 Apherus Samples, and 50 Flower Bud Samples</font>. Samples can be obtained from <font color="LEVEL">Apherus, and Flower Buds</font>.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_03.html b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_03.html
new file mode 100644
index 0000000000..334aa652a5
--- /dev/null
+++ b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_03.html
@@ -0,0 +1,4 @@
+<html><body>Guardian Irene:<br>
+You don't have enough samples.<br>
+Samples needed are <font color="LEVEL">150 Apherus Samples, and 50 Flower Bud Samples</font>. Samples can be obtained from <font color="LEVEL">Apherus, and Flower Buds</font>.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_04.html b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_04.html
new file mode 100644
index 0000000000..d3d70ce2a6
--- /dev/null
+++ b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_04.html
@@ -0,0 +1,5 @@
+<html><body>Guardian Irene:<br>
+Are you done collecting the samples?<br>
+We need samples to conduct research, but it's the part collecting the samples that discourages everyone. It's not so easy finding samples, is it?<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_leader_q10851_05.html">"Yes, right."</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_05.html b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_05.html
new file mode 100644
index 0000000000..18a5fb4d0e
--- /dev/null
+++ b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_05.html
@@ -0,0 +1,5 @@
+<html><body>Guardian Irene:<br>
+Thank you. Using these samples, we will be able to investigate the growth and changes around here.<br>
+If we discover what changes are going on right now in the Enchanted Valley, we might need to ask you to do some other work for us.<br>
+If that happens, I hope you'll help us again.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/QuestMasterHandler.java b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/QuestMasterHandler.java
index f379b3d640..23fa9629e2 100644
--- a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/QuestMasterHandler.java
+++ b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/QuestMasterHandler.java
@@ -458,6 +458,7 @@ import quests.Q10839_BlackbirdsNameValue.Q10839_BlackbirdsNameValue;
 import quests.Q10840_TimeToRecover.Q10840_TimeToRecover;
 import quests.Q10841_DeepInsideAteliaFortress.Q10841_DeepInsideAteliaFortress;
 import quests.Q10843_AnomalyInTheEnchantedValley.Q10843_AnomalyInTheEnchantedValley;
+import quests.Q10851_ElvenBotany.Q10851_ElvenBotany;
 import quests.not_done.Q00504_CompetitionForTheBanditStronghold;
 import quests.not_done.Q00655_AGrandPlanForTamingWildBeasts;
 import quests.not_done.Q00744_TheAlligatorHunterReturns;
@@ -520,7 +521,6 @@ import quests.not_done.Q10845_BloodyBattleRescueTheSmiths;
 import quests.not_done.Q10846_BloodyBattleMeetingTheCommander;
 import quests.not_done.Q10848_TrialsBeforeTheBattle;
 import quests.not_done.Q10849_TrialsForAdaptation;
-import quests.not_done.Q10851_ElvenBotany;
 import quests.not_done.Q10852_TheMotherTreeRevivalProject;
 import quests.not_done.Q10853_ToWeakenTheGiants;
 import quests.not_done.Q10854_ToSeizeTheFortress;
@@ -1039,7 +1039,7 @@ public class QuestMasterHandler
 		Q10846_BloodyBattleMeetingTheCommander.class, // TODO: Not done.
 		Q10848_TrialsBeforeTheBattle.class, // TODO: Not done.
 		Q10849_TrialsForAdaptation.class, // TODO: Not done.
-		Q10851_ElvenBotany.class, // TODO: Not done.
+		Q10851_ElvenBotany.class,
 		Q10852_TheMotherTreeRevivalProject.class, // TODO: Not done.
 		Q10853_ToWeakenTheGiants.class, // TODO: Not done.
 		Q10854_ToSeizeTheFortress.class, // TODO: Not done.
diff --git a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/not_done/Q10851_ElvenBotany.java b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/not_done/Q10851_ElvenBotany.java
deleted file mode 100644
index 32c00cd1d4..0000000000
--- a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/quests/not_done/Q10851_ElvenBotany.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * This file is part of the L2J Mobius project.
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-package quests.not_done;
-
-import org.l2jmobius.Config;
-import org.l2jmobius.gameserver.model.quest.Quest;
-
-/**
- * @author Mobius
- */
-public class Q10851_ElvenBotany extends Quest
-{
-	private static final int START_NPC = 34234;
-	
-	public Q10851_ElvenBotany()
-	{
-		super(10851);
-		addStartNpc(START_NPC);
-		addTalkId(START_NPC);
-		addCondMinLevel(Config.PLAYER_MAXIMUM_LEVEL, getNoQuestMsg(null));
-	}
-}
diff --git a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/MissingQuests.txt b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/MissingQuests.txt
index a94d6bd64f..ac833c56d8 100644
--- a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/MissingQuests.txt
+++ b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/MissingQuests.txt
@@ -154,7 +154,6 @@
 10846 Bloody Battle - Meeting the Commander
 10848 Trials before the Battle
 10849 Trials for Adaptation
-10851 Elven Botany
 10852 The Mother Tree Revival Project
 10853 To Weaken the Giants
 10854 To Seize the Fortress
diff --git a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/Q10851_ElvenBotany.java b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/Q10851_ElvenBotany.java
new file mode 100644
index 0000000000..12509872b9
--- /dev/null
+++ b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/Q10851_ElvenBotany.java
@@ -0,0 +1,197 @@
+/*
+ * This file is part of the L2J Mobius project.
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package quests.Q10851_ElvenBotany;
+
+import org.l2jmobius.gameserver.enums.Faction;
+import org.l2jmobius.gameserver.enums.QuestSound;
+import org.l2jmobius.gameserver.enums.QuestType;
+import org.l2jmobius.gameserver.model.actor.Npc;
+import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.quest.Quest;
+import org.l2jmobius.gameserver.model.quest.QuestState;
+import org.l2jmobius.gameserver.model.quest.State;
+
+/**
+ * Elven Botany (10851)
+ * @URL https://l2wiki.com/Elven_Botany
+ * @author Gigi
+ * @date 2019-06-11 - [21:21:45]
+ */
+public class Q10851_ElvenBotany extends Quest
+{
+	// NPCs
+	private static final int CELESTIEL = 34234;
+	private static final int IRENE = 34233;
+	// Misc
+	private static final int MIN_LEVEL = 102;
+	// Monsters
+	private static final int FLOWER_BUD = 19600;
+	private static final int APHERUS = 23581;
+	// Items
+	private static final int APHERUS_SAMPLE = 47200;
+	private static final int FLOWER_BUD_SAMPLE = 47201;
+	private static final int BASIC_SUPPLY_BOX = 47178;
+	
+	public Q10851_ElvenBotany()
+	{
+		super(10851);
+		addStartNpc(CELESTIEL);
+		addTalkId(CELESTIEL, IRENE);
+		addKillId(FLOWER_BUD, APHERUS);
+		registerQuestItems(APHERUS_SAMPLE, FLOWER_BUD_SAMPLE);
+		addCondMinLevel(MIN_LEVEL, "guardian_follower_q10851_02.htm");
+		addFactionLevel(Faction.MOTHER_TREE_GUARDIANS, 2, "guardian_follower_q10851_03.htm");
+	}
+	
+	@Override
+	public String onAdvEvent(String event, Npc npc, PlayerInstance player)
+	{
+		final QuestState qs = getQuestState(player, false);
+		if (qs == null)
+		{
+			return null;
+		}
+		
+		String htmltext = event;
+		switch (event)
+		{
+			case "guardian_follower_q10851_04.htm":
+			case "guardian_follower_q10851_05.htm":
+			{
+				htmltext = event;
+				break;
+			}
+			case "guardian_follower_q10851_06.htm":
+			{
+				qs.startQuest();
+				htmltext = event;
+				break;
+			}
+			case "guardian_leader_q10851_02.html":
+			{
+				qs.setCond(2, true);
+				htmltext = event;
+				break;
+			}
+			case "guardian_leader_q10851_05.html":
+			{
+				if (qs.isCond(3) && (player.getLevel() >= MIN_LEVEL))
+				{
+					giveItems(player, BASIC_SUPPLY_BOX, 1);
+					addExpAndSp(player, 44_442_855_900L, 44_442_720);
+					qs.exitQuest(QuestType.ONE_TIME, true);
+					htmltext = event;
+				}
+				else
+				{
+					htmltext = getNoQuestLevelRewardMsg(player);
+				}
+				break;
+			}
+		}
+		return htmltext;
+	}
+	
+	@Override
+	public String onTalk(Npc npc, PlayerInstance player)
+	{
+		String htmltext = getNoQuestMsg(player);
+		final QuestState qs = getQuestState(player, true);
+		
+		switch (qs.getState())
+		{
+			case State.CREATED:
+			{
+				htmltext = "guardian_follower_q10851_04.htm";
+				break;
+			}
+			case State.STARTED:
+			{
+				switch (npc.getId())
+				{
+					case CELESTIEL:
+					{
+						if (qs.getCond() > 0)
+						{
+							htmltext = "guardian_follower_q10851_07.html";
+						}
+						break;
+					}
+					case IRENE:
+					{
+						if (qs.isCond(1))
+						{
+							htmltext = "guardian_leader_q10851_01.html";
+						}
+						else if (qs.isCond(2))
+						{
+							htmltext = "guardian_leader_q10851_03.html";
+						}
+						else
+						{
+							htmltext = "guardian_leader_q10851_04.html";
+						}
+						break;
+					}
+				}
+				break;
+			}
+			case State.COMPLETED:
+			{
+				htmltext = getAlreadyCompletedMsg(player);
+				break;
+			}
+			
+		}
+		return htmltext;
+	}
+	
+	@Override
+	public String onKill(Npc npc, PlayerInstance killer, boolean isSummon)
+	{
+		final QuestState qs = getQuestState(killer, false);
+		if ((qs != null) && qs.isCond(2))
+		{
+			switch (npc.getId())
+			{
+				case FLOWER_BUD:
+				{
+					if (getQuestItemsCount(killer, FLOWER_BUD_SAMPLE) < 50)
+					{
+						giveItems(killer, FLOWER_BUD_SAMPLE, 1);
+						playSound(killer, QuestSound.ITEMSOUND_QUEST_ITEMGET);
+					}
+					break;
+				}
+				case APHERUS:
+				{
+					if (getQuestItemsCount(killer, APHERUS_SAMPLE) < 150)
+					{
+						giveItems(killer, APHERUS_SAMPLE, 1);
+						playSound(killer, QuestSound.ITEMSOUND_QUEST_ITEMGET);
+					}
+					break;
+				}
+			}
+			if ((getQuestItemsCount(killer, FLOWER_BUD_SAMPLE) >= 50) && (getQuestItemsCount(killer, APHERUS_SAMPLE) >= 150))
+			{
+				qs.setCond(3, true);
+			}
+		}
+		return super.onKill(npc, killer, isSummon);
+	}
+}
diff --git a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_01.htm b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_01.htm
new file mode 100644
index 0000000000..d5cccf3ff8
--- /dev/null
+++ b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_01.htm
@@ -0,0 +1,5 @@
+<html><body>Celestiel:<br>
+Ah, if you could spare the time, could you help me out?<br>
+I need help for something, and you could be the one I can trust.<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_follower_q10851_04.htm">"What is it?"</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_02.htm b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_02.htm
new file mode 100644
index 0000000000..704bb3ca17
--- /dev/null
+++ b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_02.htm
@@ -0,0 +1,4 @@
+<html><body>Celestiel:<br>
+I'm sorry, but this is a dangerous place. We cannot guarantee your safety. Please take yourself some place safe.<br>
+(This quest can only be undertaken by characters with Lv. 102 or higher whose faction level with the Mother Tree Guardian is 2 or higher.)
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_03.htm b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_03.htm
new file mode 100644
index 0000000000..18d33363b7
--- /dev/null
+++ b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_03.htm
@@ -0,0 +1,5 @@
+<html><body>Celestiel:<br>
+I'm sorry, but I'm rather iffy about putting you on assignment.<br>
+This is a dangerous place. Please take yourself some place safe.<br>
+(This quest can only be undertaken by characters whose faction level with the Mother Tree Guardians is 2 or higher.)
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_04.htm b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_04.htm
new file mode 100644
index 0000000000..d3c620963e
--- /dev/null
+++ b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_04.htm
@@ -0,0 +1,6 @@
+<html><body>Celestiel:<br>
+I am Celestiel. I have come here with Irene in search of a way to save the Mother Tree.<br>
+I know how to do bits and pieces of many things. I'm usually studying changes in the plants and the soil here, but I need more samples for my research. That's why I'm asking you for help.<br>
+I've been searching for the samples firsthand until now, but it's been taking me so long that I've been falling behind on my research. I have no choice but to dedicate myself to research while having somebody else hunt around for samples.<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_follower_q10851_05.htm">"What samples do you need?"</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_05.htm b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_05.htm
new file mode 100644
index 0000000000..c00d493144
--- /dev/null
+++ b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_05.htm
@@ -0,0 +1,6 @@
+<html><body>Celestiel:<br>
+Oh! The samples I need are samples of a few particular species of plant that live here.<br>
+Until now, Fairy Mimyu has been helping me collect enough Nymph Stamen, but it's too hard finding samples other than those.<br>
+But I'm a bit hesitant about asking Fairy Mimyu to find me the other samples too.<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_follower_q10851_06.htm">"What samples do I need to find?"</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_06.htm b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_06.htm
new file mode 100644
index 0000000000..918153726b
--- /dev/null
+++ b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_06.htm
@@ -0,0 +1,5 @@
+<html><body>Celestiel:<br>
+Ah, so will you help me out?<br>
+If that's the case, the samples I need are... oh, I guess you don't exactly how many of which samples I'll be needing, since Irene was the one who was managing the samples.<br>Would you go to Irene and ask which samples required for the research are?<br>
+See, I've been bugging Irene with a bunch of questions, even just now... I think it would be better for you to go and ask instead of me.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_07.html b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_07.html
new file mode 100644
index 0000000000..6355dd1b58
--- /dev/null
+++ b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_07.html
@@ -0,0 +1,4 @@
+<html><body>Celestiel:<br>
+Please go to Irene and ask her which samples needed for the biological research are.<br>
+If you ask her yourself, she's sure to give you a kind answer with a smile.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_01.html b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_01.html
new file mode 100644
index 0000000000..16e5eceda5
--- /dev/null
+++ b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_01.html
@@ -0,0 +1,5 @@
+<html><body>Guardian Irene:<br>
+What's going on?<br>
+I thought you were speaking with Celestiel until just now.<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_leader_q10851_02.html">"So the samples..."</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_02.html b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_02.html
new file mode 100644
index 0000000000..ecbe79b427
--- /dev/null
+++ b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_02.html
@@ -0,0 +1,5 @@
+<html><body>Guardian Irene:<br>
+I was wondering what Celestiel was talking so enthusiastically about. I guess you were talking about the samples.<br>
+I swear she told me just a short while ago that she needed some kind of sample... Well, with her being as busy as she is nowadays with her research, her being so forgetful is understandable.<br>
+Samples needed are <font color="LEVEL">150 Apherus Samples, and 50 Flower Bud Samples</font>. Samples can be obtained from <font color="LEVEL">Apherus, and Flower Buds</font>.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_03.html b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_03.html
new file mode 100644
index 0000000000..334aa652a5
--- /dev/null
+++ b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_03.html
@@ -0,0 +1,4 @@
+<html><body>Guardian Irene:<br>
+You don't have enough samples.<br>
+Samples needed are <font color="LEVEL">150 Apherus Samples, and 50 Flower Bud Samples</font>. Samples can be obtained from <font color="LEVEL">Apherus, and Flower Buds</font>.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_04.html b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_04.html
new file mode 100644
index 0000000000..d3d70ce2a6
--- /dev/null
+++ b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_04.html
@@ -0,0 +1,5 @@
+<html><body>Guardian Irene:<br>
+Are you done collecting the samples?<br>
+We need samples to conduct research, but it's the part collecting the samples that discourages everyone. It's not so easy finding samples, is it?<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_leader_q10851_05.html">"Yes, right."</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_05.html b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_05.html
new file mode 100644
index 0000000000..18a5fb4d0e
--- /dev/null
+++ b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_05.html
@@ -0,0 +1,5 @@
+<html><body>Guardian Irene:<br>
+Thank you. Using these samples, we will be able to investigate the growth and changes around here.<br>
+If we discover what changes are going on right now in the Enchanted Valley, we might need to ask you to do some other work for us.<br>
+If that happens, I hope you'll help us again.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/QuestMasterHandler.java b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/QuestMasterHandler.java
index c94cdda294..e6beea91a7 100644
--- a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/QuestMasterHandler.java
+++ b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/QuestMasterHandler.java
@@ -456,6 +456,7 @@ import quests.Q10839_BlackbirdsNameValue.Q10839_BlackbirdsNameValue;
 import quests.Q10840_TimeToRecover.Q10840_TimeToRecover;
 import quests.Q10841_DeepInsideAteliaFortress.Q10841_DeepInsideAteliaFortress;
 import quests.Q10843_AnomalyInTheEnchantedValley.Q10843_AnomalyInTheEnchantedValley;
+import quests.Q10851_ElvenBotany.Q10851_ElvenBotany;
 import quests.not_done.Q00504_CompetitionForTheBanditStronghold;
 import quests.not_done.Q00655_AGrandPlanForTamingWildBeasts;
 import quests.not_done.Q00665_BasicTrainingForHunterGuildMember;
@@ -529,7 +530,6 @@ import quests.not_done.Q10845_BloodyBattleRescueTheSmiths;
 import quests.not_done.Q10846_BloodyBattleMeetingTheCommander;
 import quests.not_done.Q10848_TrialsBeforeTheBattle;
 import quests.not_done.Q10849_TrialsForAdaptation;
-import quests.not_done.Q10851_ElvenBotany;
 import quests.not_done.Q10852_TheMotherTreeRevivalProject;
 import quests.not_done.Q10853_ToWeakenTheGiants;
 import quests.not_done.Q10854_ToSeizeTheFortress;
@@ -1067,7 +1067,7 @@ public class QuestMasterHandler
 		Q10846_BloodyBattleMeetingTheCommander.class, // TODO: Not done.
 		Q10848_TrialsBeforeTheBattle.class, // TODO: Not done.
 		Q10849_TrialsForAdaptation.class, // TODO: Not done.
-		Q10851_ElvenBotany.class, // TODO: Not done.
+		Q10851_ElvenBotany.class,
 		Q10852_TheMotherTreeRevivalProject.class, // TODO: Not done.
 		Q10853_ToWeakenTheGiants.class, // TODO: Not done.
 		Q10854_ToSeizeTheFortress.class, // TODO: Not done.
diff --git a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/not_done/Q10851_ElvenBotany.java b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/not_done/Q10851_ElvenBotany.java
deleted file mode 100644
index 32c00cd1d4..0000000000
--- a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/quests/not_done/Q10851_ElvenBotany.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * This file is part of the L2J Mobius project.
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-package quests.not_done;
-
-import org.l2jmobius.Config;
-import org.l2jmobius.gameserver.model.quest.Quest;
-
-/**
- * @author Mobius
- */
-public class Q10851_ElvenBotany extends Quest
-{
-	private static final int START_NPC = 34234;
-	
-	public Q10851_ElvenBotany()
-	{
-		super(10851);
-		addStartNpc(START_NPC);
-		addTalkId(START_NPC);
-		addCondMinLevel(Config.PLAYER_MAXIMUM_LEVEL, getNoQuestMsg(null));
-	}
-}
diff --git a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/MissingQuests.txt b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/MissingQuests.txt
index 4bc695fdad..2d5520ff47 100644
--- a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/MissingQuests.txt
+++ b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/MissingQuests.txt
@@ -200,7 +200,6 @@
 10846 Bloody Battle - Meeting the Commander
 10848 Trials before the Battle
 10849 Trials for Adaptation
-10851 Elven Botany
 10852 The Mother Tree Revival Project
 10853 To Weaken the Giants
 10854 To Seize the Fortress
diff --git a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/Q10851_ElvenBotany.java b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/Q10851_ElvenBotany.java
new file mode 100644
index 0000000000..12509872b9
--- /dev/null
+++ b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/Q10851_ElvenBotany.java
@@ -0,0 +1,197 @@
+/*
+ * This file is part of the L2J Mobius project.
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package quests.Q10851_ElvenBotany;
+
+import org.l2jmobius.gameserver.enums.Faction;
+import org.l2jmobius.gameserver.enums.QuestSound;
+import org.l2jmobius.gameserver.enums.QuestType;
+import org.l2jmobius.gameserver.model.actor.Npc;
+import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.quest.Quest;
+import org.l2jmobius.gameserver.model.quest.QuestState;
+import org.l2jmobius.gameserver.model.quest.State;
+
+/**
+ * Elven Botany (10851)
+ * @URL https://l2wiki.com/Elven_Botany
+ * @author Gigi
+ * @date 2019-06-11 - [21:21:45]
+ */
+public class Q10851_ElvenBotany extends Quest
+{
+	// NPCs
+	private static final int CELESTIEL = 34234;
+	private static final int IRENE = 34233;
+	// Misc
+	private static final int MIN_LEVEL = 102;
+	// Monsters
+	private static final int FLOWER_BUD = 19600;
+	private static final int APHERUS = 23581;
+	// Items
+	private static final int APHERUS_SAMPLE = 47200;
+	private static final int FLOWER_BUD_SAMPLE = 47201;
+	private static final int BASIC_SUPPLY_BOX = 47178;
+	
+	public Q10851_ElvenBotany()
+	{
+		super(10851);
+		addStartNpc(CELESTIEL);
+		addTalkId(CELESTIEL, IRENE);
+		addKillId(FLOWER_BUD, APHERUS);
+		registerQuestItems(APHERUS_SAMPLE, FLOWER_BUD_SAMPLE);
+		addCondMinLevel(MIN_LEVEL, "guardian_follower_q10851_02.htm");
+		addFactionLevel(Faction.MOTHER_TREE_GUARDIANS, 2, "guardian_follower_q10851_03.htm");
+	}
+	
+	@Override
+	public String onAdvEvent(String event, Npc npc, PlayerInstance player)
+	{
+		final QuestState qs = getQuestState(player, false);
+		if (qs == null)
+		{
+			return null;
+		}
+		
+		String htmltext = event;
+		switch (event)
+		{
+			case "guardian_follower_q10851_04.htm":
+			case "guardian_follower_q10851_05.htm":
+			{
+				htmltext = event;
+				break;
+			}
+			case "guardian_follower_q10851_06.htm":
+			{
+				qs.startQuest();
+				htmltext = event;
+				break;
+			}
+			case "guardian_leader_q10851_02.html":
+			{
+				qs.setCond(2, true);
+				htmltext = event;
+				break;
+			}
+			case "guardian_leader_q10851_05.html":
+			{
+				if (qs.isCond(3) && (player.getLevel() >= MIN_LEVEL))
+				{
+					giveItems(player, BASIC_SUPPLY_BOX, 1);
+					addExpAndSp(player, 44_442_855_900L, 44_442_720);
+					qs.exitQuest(QuestType.ONE_TIME, true);
+					htmltext = event;
+				}
+				else
+				{
+					htmltext = getNoQuestLevelRewardMsg(player);
+				}
+				break;
+			}
+		}
+		return htmltext;
+	}
+	
+	@Override
+	public String onTalk(Npc npc, PlayerInstance player)
+	{
+		String htmltext = getNoQuestMsg(player);
+		final QuestState qs = getQuestState(player, true);
+		
+		switch (qs.getState())
+		{
+			case State.CREATED:
+			{
+				htmltext = "guardian_follower_q10851_04.htm";
+				break;
+			}
+			case State.STARTED:
+			{
+				switch (npc.getId())
+				{
+					case CELESTIEL:
+					{
+						if (qs.getCond() > 0)
+						{
+							htmltext = "guardian_follower_q10851_07.html";
+						}
+						break;
+					}
+					case IRENE:
+					{
+						if (qs.isCond(1))
+						{
+							htmltext = "guardian_leader_q10851_01.html";
+						}
+						else if (qs.isCond(2))
+						{
+							htmltext = "guardian_leader_q10851_03.html";
+						}
+						else
+						{
+							htmltext = "guardian_leader_q10851_04.html";
+						}
+						break;
+					}
+				}
+				break;
+			}
+			case State.COMPLETED:
+			{
+				htmltext = getAlreadyCompletedMsg(player);
+				break;
+			}
+			
+		}
+		return htmltext;
+	}
+	
+	@Override
+	public String onKill(Npc npc, PlayerInstance killer, boolean isSummon)
+	{
+		final QuestState qs = getQuestState(killer, false);
+		if ((qs != null) && qs.isCond(2))
+		{
+			switch (npc.getId())
+			{
+				case FLOWER_BUD:
+				{
+					if (getQuestItemsCount(killer, FLOWER_BUD_SAMPLE) < 50)
+					{
+						giveItems(killer, FLOWER_BUD_SAMPLE, 1);
+						playSound(killer, QuestSound.ITEMSOUND_QUEST_ITEMGET);
+					}
+					break;
+				}
+				case APHERUS:
+				{
+					if (getQuestItemsCount(killer, APHERUS_SAMPLE) < 150)
+					{
+						giveItems(killer, APHERUS_SAMPLE, 1);
+						playSound(killer, QuestSound.ITEMSOUND_QUEST_ITEMGET);
+					}
+					break;
+				}
+			}
+			if ((getQuestItemsCount(killer, FLOWER_BUD_SAMPLE) >= 50) && (getQuestItemsCount(killer, APHERUS_SAMPLE) >= 150))
+			{
+				qs.setCond(3, true);
+			}
+		}
+		return super.onKill(npc, killer, isSummon);
+	}
+}
diff --git a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_01.htm b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_01.htm
new file mode 100644
index 0000000000..d5cccf3ff8
--- /dev/null
+++ b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_01.htm
@@ -0,0 +1,5 @@
+<html><body>Celestiel:<br>
+Ah, if you could spare the time, could you help me out?<br>
+I need help for something, and you could be the one I can trust.<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_follower_q10851_04.htm">"What is it?"</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_02.htm b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_02.htm
new file mode 100644
index 0000000000..704bb3ca17
--- /dev/null
+++ b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_02.htm
@@ -0,0 +1,4 @@
+<html><body>Celestiel:<br>
+I'm sorry, but this is a dangerous place. We cannot guarantee your safety. Please take yourself some place safe.<br>
+(This quest can only be undertaken by characters with Lv. 102 or higher whose faction level with the Mother Tree Guardian is 2 or higher.)
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_03.htm b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_03.htm
new file mode 100644
index 0000000000..18d33363b7
--- /dev/null
+++ b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_03.htm
@@ -0,0 +1,5 @@
+<html><body>Celestiel:<br>
+I'm sorry, but I'm rather iffy about putting you on assignment.<br>
+This is a dangerous place. Please take yourself some place safe.<br>
+(This quest can only be undertaken by characters whose faction level with the Mother Tree Guardians is 2 or higher.)
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_04.htm b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_04.htm
new file mode 100644
index 0000000000..d3c620963e
--- /dev/null
+++ b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_04.htm
@@ -0,0 +1,6 @@
+<html><body>Celestiel:<br>
+I am Celestiel. I have come here with Irene in search of a way to save the Mother Tree.<br>
+I know how to do bits and pieces of many things. I'm usually studying changes in the plants and the soil here, but I need more samples for my research. That's why I'm asking you for help.<br>
+I've been searching for the samples firsthand until now, but it's been taking me so long that I've been falling behind on my research. I have no choice but to dedicate myself to research while having somebody else hunt around for samples.<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_follower_q10851_05.htm">"What samples do you need?"</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_05.htm b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_05.htm
new file mode 100644
index 0000000000..c00d493144
--- /dev/null
+++ b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_05.htm
@@ -0,0 +1,6 @@
+<html><body>Celestiel:<br>
+Oh! The samples I need are samples of a few particular species of plant that live here.<br>
+Until now, Fairy Mimyu has been helping me collect enough Nymph Stamen, but it's too hard finding samples other than those.<br>
+But I'm a bit hesitant about asking Fairy Mimyu to find me the other samples too.<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_follower_q10851_06.htm">"What samples do I need to find?"</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_06.htm b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_06.htm
new file mode 100644
index 0000000000..918153726b
--- /dev/null
+++ b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_06.htm
@@ -0,0 +1,5 @@
+<html><body>Celestiel:<br>
+Ah, so will you help me out?<br>
+If that's the case, the samples I need are... oh, I guess you don't exactly how many of which samples I'll be needing, since Irene was the one who was managing the samples.<br>Would you go to Irene and ask which samples required for the research are?<br>
+See, I've been bugging Irene with a bunch of questions, even just now... I think it would be better for you to go and ask instead of me.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_07.html b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_07.html
new file mode 100644
index 0000000000..6355dd1b58
--- /dev/null
+++ b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_07.html
@@ -0,0 +1,4 @@
+<html><body>Celestiel:<br>
+Please go to Irene and ask her which samples needed for the biological research are.<br>
+If you ask her yourself, she's sure to give you a kind answer with a smile.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_01.html b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_01.html
new file mode 100644
index 0000000000..16e5eceda5
--- /dev/null
+++ b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_01.html
@@ -0,0 +1,5 @@
+<html><body>Guardian Irene:<br>
+What's going on?<br>
+I thought you were speaking with Celestiel until just now.<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_leader_q10851_02.html">"So the samples..."</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_02.html b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_02.html
new file mode 100644
index 0000000000..ecbe79b427
--- /dev/null
+++ b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_02.html
@@ -0,0 +1,5 @@
+<html><body>Guardian Irene:<br>
+I was wondering what Celestiel was talking so enthusiastically about. I guess you were talking about the samples.<br>
+I swear she told me just a short while ago that she needed some kind of sample... Well, with her being as busy as she is nowadays with her research, her being so forgetful is understandable.<br>
+Samples needed are <font color="LEVEL">150 Apherus Samples, and 50 Flower Bud Samples</font>. Samples can be obtained from <font color="LEVEL">Apherus, and Flower Buds</font>.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_03.html b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_03.html
new file mode 100644
index 0000000000..334aa652a5
--- /dev/null
+++ b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_03.html
@@ -0,0 +1,4 @@
+<html><body>Guardian Irene:<br>
+You don't have enough samples.<br>
+Samples needed are <font color="LEVEL">150 Apherus Samples, and 50 Flower Bud Samples</font>. Samples can be obtained from <font color="LEVEL">Apherus, and Flower Buds</font>.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_04.html b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_04.html
new file mode 100644
index 0000000000..d3d70ce2a6
--- /dev/null
+++ b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_04.html
@@ -0,0 +1,5 @@
+<html><body>Guardian Irene:<br>
+Are you done collecting the samples?<br>
+We need samples to conduct research, but it's the part collecting the samples that discourages everyone. It's not so easy finding samples, is it?<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_leader_q10851_05.html">"Yes, right."</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_05.html b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_05.html
new file mode 100644
index 0000000000..18a5fb4d0e
--- /dev/null
+++ b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_05.html
@@ -0,0 +1,5 @@
+<html><body>Guardian Irene:<br>
+Thank you. Using these samples, we will be able to investigate the growth and changes around here.<br>
+If we discover what changes are going on right now in the Enchanted Valley, we might need to ask you to do some other work for us.<br>
+If that happens, I hope you'll help us again.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/QuestMasterHandler.java b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/QuestMasterHandler.java
index 68f3ef2414..ac41c67e06 100644
--- a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/QuestMasterHandler.java
+++ b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/QuestMasterHandler.java
@@ -462,6 +462,7 @@ import quests.Q10839_BlackbirdsNameValue.Q10839_BlackbirdsNameValue;
 import quests.Q10840_TimeToRecover.Q10840_TimeToRecover;
 import quests.Q10841_DeepInsideAteliaFortress.Q10841_DeepInsideAteliaFortress;
 import quests.Q10843_AnomalyInTheEnchantedValley.Q10843_AnomalyInTheEnchantedValley;
+import quests.Q10851_ElvenBotany.Q10851_ElvenBotany;
 import quests.not_done.*;
 
 /**
@@ -1035,7 +1036,7 @@ public class QuestMasterHandler
 		Q10846_BloodyBattleMeetingTheCommander.class, // TODO: Not done.
 		Q10848_TrialsBeforeTheBattle.class, // TODO: Not done.
 		Q10849_TrialsForAdaptation.class, // TODO: Not done.
-		Q10851_ElvenBotany.class, // TODO: Not done.
+		Q10851_ElvenBotany.class,
 		Q10852_TheMotherTreeRevivalProject.class, // TODO: Not done.
 		Q10853_ToWeakenTheGiants.class, // TODO: Not done.
 		Q10854_ToSeizeTheFortress.class, // TODO: Not done.
diff --git a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/not_done/Q10851_ElvenBotany.java b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/not_done/Q10851_ElvenBotany.java
deleted file mode 100644
index 32c00cd1d4..0000000000
--- a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/quests/not_done/Q10851_ElvenBotany.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * This file is part of the L2J Mobius project.
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-package quests.not_done;
-
-import org.l2jmobius.Config;
-import org.l2jmobius.gameserver.model.quest.Quest;
-
-/**
- * @author Mobius
- */
-public class Q10851_ElvenBotany extends Quest
-{
-	private static final int START_NPC = 34234;
-	
-	public Q10851_ElvenBotany()
-	{
-		super(10851);
-		addStartNpc(START_NPC);
-		addTalkId(START_NPC);
-		addCondMinLevel(Config.PLAYER_MAXIMUM_LEVEL, getNoQuestMsg(null));
-	}
-}
diff --git a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/MissingQuests.txt b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/MissingQuests.txt
index 4317108805..65d94ea15c 100644
--- a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/MissingQuests.txt
+++ b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/MissingQuests.txt
@@ -212,7 +212,6 @@
 10846 Bloody Battle - Meeting the Commander
 10848 Trials before the Battle
 10849 Trials for Adaptation
-10851 Elven Botany
 10852 The Mother Tree Revival Project
 10853 To Weaken the Giants
 10854 To Seize the Fortress
diff --git a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/Q10851_ElvenBotany.java b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/Q10851_ElvenBotany.java
new file mode 100644
index 0000000000..12509872b9
--- /dev/null
+++ b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/Q10851_ElvenBotany.java
@@ -0,0 +1,197 @@
+/*
+ * This file is part of the L2J Mobius project.
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package quests.Q10851_ElvenBotany;
+
+import org.l2jmobius.gameserver.enums.Faction;
+import org.l2jmobius.gameserver.enums.QuestSound;
+import org.l2jmobius.gameserver.enums.QuestType;
+import org.l2jmobius.gameserver.model.actor.Npc;
+import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.quest.Quest;
+import org.l2jmobius.gameserver.model.quest.QuestState;
+import org.l2jmobius.gameserver.model.quest.State;
+
+/**
+ * Elven Botany (10851)
+ * @URL https://l2wiki.com/Elven_Botany
+ * @author Gigi
+ * @date 2019-06-11 - [21:21:45]
+ */
+public class Q10851_ElvenBotany extends Quest
+{
+	// NPCs
+	private static final int CELESTIEL = 34234;
+	private static final int IRENE = 34233;
+	// Misc
+	private static final int MIN_LEVEL = 102;
+	// Monsters
+	private static final int FLOWER_BUD = 19600;
+	private static final int APHERUS = 23581;
+	// Items
+	private static final int APHERUS_SAMPLE = 47200;
+	private static final int FLOWER_BUD_SAMPLE = 47201;
+	private static final int BASIC_SUPPLY_BOX = 47178;
+	
+	public Q10851_ElvenBotany()
+	{
+		super(10851);
+		addStartNpc(CELESTIEL);
+		addTalkId(CELESTIEL, IRENE);
+		addKillId(FLOWER_BUD, APHERUS);
+		registerQuestItems(APHERUS_SAMPLE, FLOWER_BUD_SAMPLE);
+		addCondMinLevel(MIN_LEVEL, "guardian_follower_q10851_02.htm");
+		addFactionLevel(Faction.MOTHER_TREE_GUARDIANS, 2, "guardian_follower_q10851_03.htm");
+	}
+	
+	@Override
+	public String onAdvEvent(String event, Npc npc, PlayerInstance player)
+	{
+		final QuestState qs = getQuestState(player, false);
+		if (qs == null)
+		{
+			return null;
+		}
+		
+		String htmltext = event;
+		switch (event)
+		{
+			case "guardian_follower_q10851_04.htm":
+			case "guardian_follower_q10851_05.htm":
+			{
+				htmltext = event;
+				break;
+			}
+			case "guardian_follower_q10851_06.htm":
+			{
+				qs.startQuest();
+				htmltext = event;
+				break;
+			}
+			case "guardian_leader_q10851_02.html":
+			{
+				qs.setCond(2, true);
+				htmltext = event;
+				break;
+			}
+			case "guardian_leader_q10851_05.html":
+			{
+				if (qs.isCond(3) && (player.getLevel() >= MIN_LEVEL))
+				{
+					giveItems(player, BASIC_SUPPLY_BOX, 1);
+					addExpAndSp(player, 44_442_855_900L, 44_442_720);
+					qs.exitQuest(QuestType.ONE_TIME, true);
+					htmltext = event;
+				}
+				else
+				{
+					htmltext = getNoQuestLevelRewardMsg(player);
+				}
+				break;
+			}
+		}
+		return htmltext;
+	}
+	
+	@Override
+	public String onTalk(Npc npc, PlayerInstance player)
+	{
+		String htmltext = getNoQuestMsg(player);
+		final QuestState qs = getQuestState(player, true);
+		
+		switch (qs.getState())
+		{
+			case State.CREATED:
+			{
+				htmltext = "guardian_follower_q10851_04.htm";
+				break;
+			}
+			case State.STARTED:
+			{
+				switch (npc.getId())
+				{
+					case CELESTIEL:
+					{
+						if (qs.getCond() > 0)
+						{
+							htmltext = "guardian_follower_q10851_07.html";
+						}
+						break;
+					}
+					case IRENE:
+					{
+						if (qs.isCond(1))
+						{
+							htmltext = "guardian_leader_q10851_01.html";
+						}
+						else if (qs.isCond(2))
+						{
+							htmltext = "guardian_leader_q10851_03.html";
+						}
+						else
+						{
+							htmltext = "guardian_leader_q10851_04.html";
+						}
+						break;
+					}
+				}
+				break;
+			}
+			case State.COMPLETED:
+			{
+				htmltext = getAlreadyCompletedMsg(player);
+				break;
+			}
+			
+		}
+		return htmltext;
+	}
+	
+	@Override
+	public String onKill(Npc npc, PlayerInstance killer, boolean isSummon)
+	{
+		final QuestState qs = getQuestState(killer, false);
+		if ((qs != null) && qs.isCond(2))
+		{
+			switch (npc.getId())
+			{
+				case FLOWER_BUD:
+				{
+					if (getQuestItemsCount(killer, FLOWER_BUD_SAMPLE) < 50)
+					{
+						giveItems(killer, FLOWER_BUD_SAMPLE, 1);
+						playSound(killer, QuestSound.ITEMSOUND_QUEST_ITEMGET);
+					}
+					break;
+				}
+				case APHERUS:
+				{
+					if (getQuestItemsCount(killer, APHERUS_SAMPLE) < 150)
+					{
+						giveItems(killer, APHERUS_SAMPLE, 1);
+						playSound(killer, QuestSound.ITEMSOUND_QUEST_ITEMGET);
+					}
+					break;
+				}
+			}
+			if ((getQuestItemsCount(killer, FLOWER_BUD_SAMPLE) >= 50) && (getQuestItemsCount(killer, APHERUS_SAMPLE) >= 150))
+			{
+				qs.setCond(3, true);
+			}
+		}
+		return super.onKill(npc, killer, isSummon);
+	}
+}
diff --git a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_01.htm b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_01.htm
new file mode 100644
index 0000000000..d5cccf3ff8
--- /dev/null
+++ b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_01.htm
@@ -0,0 +1,5 @@
+<html><body>Celestiel:<br>
+Ah, if you could spare the time, could you help me out?<br>
+I need help for something, and you could be the one I can trust.<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_follower_q10851_04.htm">"What is it?"</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_02.htm b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_02.htm
new file mode 100644
index 0000000000..704bb3ca17
--- /dev/null
+++ b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_02.htm
@@ -0,0 +1,4 @@
+<html><body>Celestiel:<br>
+I'm sorry, but this is a dangerous place. We cannot guarantee your safety. Please take yourself some place safe.<br>
+(This quest can only be undertaken by characters with Lv. 102 or higher whose faction level with the Mother Tree Guardian is 2 or higher.)
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_03.htm b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_03.htm
new file mode 100644
index 0000000000..18d33363b7
--- /dev/null
+++ b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_03.htm
@@ -0,0 +1,5 @@
+<html><body>Celestiel:<br>
+I'm sorry, but I'm rather iffy about putting you on assignment.<br>
+This is a dangerous place. Please take yourself some place safe.<br>
+(This quest can only be undertaken by characters whose faction level with the Mother Tree Guardians is 2 or higher.)
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_04.htm b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_04.htm
new file mode 100644
index 0000000000..d3c620963e
--- /dev/null
+++ b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_04.htm
@@ -0,0 +1,6 @@
+<html><body>Celestiel:<br>
+I am Celestiel. I have come here with Irene in search of a way to save the Mother Tree.<br>
+I know how to do bits and pieces of many things. I'm usually studying changes in the plants and the soil here, but I need more samples for my research. That's why I'm asking you for help.<br>
+I've been searching for the samples firsthand until now, but it's been taking me so long that I've been falling behind on my research. I have no choice but to dedicate myself to research while having somebody else hunt around for samples.<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_follower_q10851_05.htm">"What samples do you need?"</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_05.htm b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_05.htm
new file mode 100644
index 0000000000..c00d493144
--- /dev/null
+++ b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_05.htm
@@ -0,0 +1,6 @@
+<html><body>Celestiel:<br>
+Oh! The samples I need are samples of a few particular species of plant that live here.<br>
+Until now, Fairy Mimyu has been helping me collect enough Nymph Stamen, but it's too hard finding samples other than those.<br>
+But I'm a bit hesitant about asking Fairy Mimyu to find me the other samples too.<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_follower_q10851_06.htm">"What samples do I need to find?"</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_06.htm b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_06.htm
new file mode 100644
index 0000000000..918153726b
--- /dev/null
+++ b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_06.htm
@@ -0,0 +1,5 @@
+<html><body>Celestiel:<br>
+Ah, so will you help me out?<br>
+If that's the case, the samples I need are... oh, I guess you don't exactly how many of which samples I'll be needing, since Irene was the one who was managing the samples.<br>Would you go to Irene and ask which samples required for the research are?<br>
+See, I've been bugging Irene with a bunch of questions, even just now... I think it would be better for you to go and ask instead of me.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_07.html b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_07.html
new file mode 100644
index 0000000000..6355dd1b58
--- /dev/null
+++ b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_07.html
@@ -0,0 +1,4 @@
+<html><body>Celestiel:<br>
+Please go to Irene and ask her which samples needed for the biological research are.<br>
+If you ask her yourself, she's sure to give you a kind answer with a smile.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_01.html b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_01.html
new file mode 100644
index 0000000000..16e5eceda5
--- /dev/null
+++ b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_01.html
@@ -0,0 +1,5 @@
+<html><body>Guardian Irene:<br>
+What's going on?<br>
+I thought you were speaking with Celestiel until just now.<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_leader_q10851_02.html">"So the samples..."</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_02.html b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_02.html
new file mode 100644
index 0000000000..ecbe79b427
--- /dev/null
+++ b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_02.html
@@ -0,0 +1,5 @@
+<html><body>Guardian Irene:<br>
+I was wondering what Celestiel was talking so enthusiastically about. I guess you were talking about the samples.<br>
+I swear she told me just a short while ago that she needed some kind of sample... Well, with her being as busy as she is nowadays with her research, her being so forgetful is understandable.<br>
+Samples needed are <font color="LEVEL">150 Apherus Samples, and 50 Flower Bud Samples</font>. Samples can be obtained from <font color="LEVEL">Apherus, and Flower Buds</font>.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_03.html b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_03.html
new file mode 100644
index 0000000000..334aa652a5
--- /dev/null
+++ b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_03.html
@@ -0,0 +1,4 @@
+<html><body>Guardian Irene:<br>
+You don't have enough samples.<br>
+Samples needed are <font color="LEVEL">150 Apherus Samples, and 50 Flower Bud Samples</font>. Samples can be obtained from <font color="LEVEL">Apherus, and Flower Buds</font>.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_04.html b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_04.html
new file mode 100644
index 0000000000..d3d70ce2a6
--- /dev/null
+++ b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_04.html
@@ -0,0 +1,5 @@
+<html><body>Guardian Irene:<br>
+Are you done collecting the samples?<br>
+We need samples to conduct research, but it's the part collecting the samples that discourages everyone. It's not so easy finding samples, is it?<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_leader_q10851_05.html">"Yes, right."</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_05.html b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_05.html
new file mode 100644
index 0000000000..18a5fb4d0e
--- /dev/null
+++ b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_05.html
@@ -0,0 +1,5 @@
+<html><body>Guardian Irene:<br>
+Thank you. Using these samples, we will be able to investigate the growth and changes around here.<br>
+If we discover what changes are going on right now in the Enchanted Valley, we might need to ask you to do some other work for us.<br>
+If that happens, I hope you'll help us again.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/QuestMasterHandler.java b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/QuestMasterHandler.java
index 1a9ac32925..fc0c27278c 100644
--- a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/QuestMasterHandler.java
+++ b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/QuestMasterHandler.java
@@ -412,6 +412,7 @@ import quests.Q10839_BlackbirdsNameValue.Q10839_BlackbirdsNameValue;
 import quests.Q10840_TimeToRecover.Q10840_TimeToRecover;
 import quests.Q10841_DeepInsideAteliaFortress.Q10841_DeepInsideAteliaFortress;
 import quests.Q10843_AnomalyInTheEnchantedValley.Q10843_AnomalyInTheEnchantedValley;
+import quests.Q10851_ElvenBotany.Q10851_ElvenBotany;
 import quests.custom.Q00589_ASecretChange.Q00589_ASecretChange;
 import quests.custom.Q00590_ToEachTheirOwn.Q00590_ToEachTheirOwn;
 import quests.not_done.*;
@@ -944,7 +945,7 @@ public class QuestMasterHandler
 		Q10846_BloodyBattleMeetingTheCommander.class, // TODO: Not done.
 		Q10848_TrialsBeforeTheBattle.class, // TODO: Not done.
 		Q10849_TrialsForAdaptation.class, // TODO: Not done.
-		Q10851_ElvenBotany.class, // TODO: Not done.
+		Q10851_ElvenBotany.class,
 		Q10852_TheMotherTreeRevivalProject.class, // TODO: Not done.
 		Q10853_ToWeakenTheGiants.class, // TODO: Not done.
 		Q10854_ToSeizeTheFortress.class, // TODO: Not done.
diff --git a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/not_done/Q10851_ElvenBotany.java b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/not_done/Q10851_ElvenBotany.java
deleted file mode 100644
index 32c00cd1d4..0000000000
--- a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/quests/not_done/Q10851_ElvenBotany.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * This file is part of the L2J Mobius project.
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-package quests.not_done;
-
-import org.l2jmobius.Config;
-import org.l2jmobius.gameserver.model.quest.Quest;
-
-/**
- * @author Mobius
- */
-public class Q10851_ElvenBotany extends Quest
-{
-	private static final int START_NPC = 34234;
-	
-	public Q10851_ElvenBotany()
-	{
-		super(10851);
-		addStartNpc(START_NPC);
-		addTalkId(START_NPC);
-		addCondMinLevel(Config.PLAYER_MAXIMUM_LEVEL, getNoQuestMsg(null));
-	}
-}
diff --git a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/MissingQuests.txt b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/MissingQuests.txt
index 8d87bc619e..7dd0a40cb1 100644
--- a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/MissingQuests.txt
+++ b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/MissingQuests.txt
@@ -220,7 +220,6 @@
 10846 Bloody Battle - Meeting the Commander
 10848 Trials before the Battle
 10849 Trials for Adaptation
-10851 Elven Botany
 10852 The Mother Tree Revival Project
 10853 To Weaken the Giants
 10854 To Seize the Fortress
diff --git a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/Q10851_ElvenBotany.java b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/Q10851_ElvenBotany.java
new file mode 100644
index 0000000000..12509872b9
--- /dev/null
+++ b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/Q10851_ElvenBotany.java
@@ -0,0 +1,197 @@
+/*
+ * This file is part of the L2J Mobius project.
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package quests.Q10851_ElvenBotany;
+
+import org.l2jmobius.gameserver.enums.Faction;
+import org.l2jmobius.gameserver.enums.QuestSound;
+import org.l2jmobius.gameserver.enums.QuestType;
+import org.l2jmobius.gameserver.model.actor.Npc;
+import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.quest.Quest;
+import org.l2jmobius.gameserver.model.quest.QuestState;
+import org.l2jmobius.gameserver.model.quest.State;
+
+/**
+ * Elven Botany (10851)
+ * @URL https://l2wiki.com/Elven_Botany
+ * @author Gigi
+ * @date 2019-06-11 - [21:21:45]
+ */
+public class Q10851_ElvenBotany extends Quest
+{
+	// NPCs
+	private static final int CELESTIEL = 34234;
+	private static final int IRENE = 34233;
+	// Misc
+	private static final int MIN_LEVEL = 102;
+	// Monsters
+	private static final int FLOWER_BUD = 19600;
+	private static final int APHERUS = 23581;
+	// Items
+	private static final int APHERUS_SAMPLE = 47200;
+	private static final int FLOWER_BUD_SAMPLE = 47201;
+	private static final int BASIC_SUPPLY_BOX = 47178;
+	
+	public Q10851_ElvenBotany()
+	{
+		super(10851);
+		addStartNpc(CELESTIEL);
+		addTalkId(CELESTIEL, IRENE);
+		addKillId(FLOWER_BUD, APHERUS);
+		registerQuestItems(APHERUS_SAMPLE, FLOWER_BUD_SAMPLE);
+		addCondMinLevel(MIN_LEVEL, "guardian_follower_q10851_02.htm");
+		addFactionLevel(Faction.MOTHER_TREE_GUARDIANS, 2, "guardian_follower_q10851_03.htm");
+	}
+	
+	@Override
+	public String onAdvEvent(String event, Npc npc, PlayerInstance player)
+	{
+		final QuestState qs = getQuestState(player, false);
+		if (qs == null)
+		{
+			return null;
+		}
+		
+		String htmltext = event;
+		switch (event)
+		{
+			case "guardian_follower_q10851_04.htm":
+			case "guardian_follower_q10851_05.htm":
+			{
+				htmltext = event;
+				break;
+			}
+			case "guardian_follower_q10851_06.htm":
+			{
+				qs.startQuest();
+				htmltext = event;
+				break;
+			}
+			case "guardian_leader_q10851_02.html":
+			{
+				qs.setCond(2, true);
+				htmltext = event;
+				break;
+			}
+			case "guardian_leader_q10851_05.html":
+			{
+				if (qs.isCond(3) && (player.getLevel() >= MIN_LEVEL))
+				{
+					giveItems(player, BASIC_SUPPLY_BOX, 1);
+					addExpAndSp(player, 44_442_855_900L, 44_442_720);
+					qs.exitQuest(QuestType.ONE_TIME, true);
+					htmltext = event;
+				}
+				else
+				{
+					htmltext = getNoQuestLevelRewardMsg(player);
+				}
+				break;
+			}
+		}
+		return htmltext;
+	}
+	
+	@Override
+	public String onTalk(Npc npc, PlayerInstance player)
+	{
+		String htmltext = getNoQuestMsg(player);
+		final QuestState qs = getQuestState(player, true);
+		
+		switch (qs.getState())
+		{
+			case State.CREATED:
+			{
+				htmltext = "guardian_follower_q10851_04.htm";
+				break;
+			}
+			case State.STARTED:
+			{
+				switch (npc.getId())
+				{
+					case CELESTIEL:
+					{
+						if (qs.getCond() > 0)
+						{
+							htmltext = "guardian_follower_q10851_07.html";
+						}
+						break;
+					}
+					case IRENE:
+					{
+						if (qs.isCond(1))
+						{
+							htmltext = "guardian_leader_q10851_01.html";
+						}
+						else if (qs.isCond(2))
+						{
+							htmltext = "guardian_leader_q10851_03.html";
+						}
+						else
+						{
+							htmltext = "guardian_leader_q10851_04.html";
+						}
+						break;
+					}
+				}
+				break;
+			}
+			case State.COMPLETED:
+			{
+				htmltext = getAlreadyCompletedMsg(player);
+				break;
+			}
+			
+		}
+		return htmltext;
+	}
+	
+	@Override
+	public String onKill(Npc npc, PlayerInstance killer, boolean isSummon)
+	{
+		final QuestState qs = getQuestState(killer, false);
+		if ((qs != null) && qs.isCond(2))
+		{
+			switch (npc.getId())
+			{
+				case FLOWER_BUD:
+				{
+					if (getQuestItemsCount(killer, FLOWER_BUD_SAMPLE) < 50)
+					{
+						giveItems(killer, FLOWER_BUD_SAMPLE, 1);
+						playSound(killer, QuestSound.ITEMSOUND_QUEST_ITEMGET);
+					}
+					break;
+				}
+				case APHERUS:
+				{
+					if (getQuestItemsCount(killer, APHERUS_SAMPLE) < 150)
+					{
+						giveItems(killer, APHERUS_SAMPLE, 1);
+						playSound(killer, QuestSound.ITEMSOUND_QUEST_ITEMGET);
+					}
+					break;
+				}
+			}
+			if ((getQuestItemsCount(killer, FLOWER_BUD_SAMPLE) >= 50) && (getQuestItemsCount(killer, APHERUS_SAMPLE) >= 150))
+			{
+				qs.setCond(3, true);
+			}
+		}
+		return super.onKill(npc, killer, isSummon);
+	}
+}
diff --git a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_01.htm b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_01.htm
new file mode 100644
index 0000000000..d5cccf3ff8
--- /dev/null
+++ b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_01.htm
@@ -0,0 +1,5 @@
+<html><body>Celestiel:<br>
+Ah, if you could spare the time, could you help me out?<br>
+I need help for something, and you could be the one I can trust.<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_follower_q10851_04.htm">"What is it?"</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_02.htm b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_02.htm
new file mode 100644
index 0000000000..704bb3ca17
--- /dev/null
+++ b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_02.htm
@@ -0,0 +1,4 @@
+<html><body>Celestiel:<br>
+I'm sorry, but this is a dangerous place. We cannot guarantee your safety. Please take yourself some place safe.<br>
+(This quest can only be undertaken by characters with Lv. 102 or higher whose faction level with the Mother Tree Guardian is 2 or higher.)
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_03.htm b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_03.htm
new file mode 100644
index 0000000000..18d33363b7
--- /dev/null
+++ b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_03.htm
@@ -0,0 +1,5 @@
+<html><body>Celestiel:<br>
+I'm sorry, but I'm rather iffy about putting you on assignment.<br>
+This is a dangerous place. Please take yourself some place safe.<br>
+(This quest can only be undertaken by characters whose faction level with the Mother Tree Guardians is 2 or higher.)
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_04.htm b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_04.htm
new file mode 100644
index 0000000000..d3c620963e
--- /dev/null
+++ b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_04.htm
@@ -0,0 +1,6 @@
+<html><body>Celestiel:<br>
+I am Celestiel. I have come here with Irene in search of a way to save the Mother Tree.<br>
+I know how to do bits and pieces of many things. I'm usually studying changes in the plants and the soil here, but I need more samples for my research. That's why I'm asking you for help.<br>
+I've been searching for the samples firsthand until now, but it's been taking me so long that I've been falling behind on my research. I have no choice but to dedicate myself to research while having somebody else hunt around for samples.<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_follower_q10851_05.htm">"What samples do you need?"</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_05.htm b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_05.htm
new file mode 100644
index 0000000000..c00d493144
--- /dev/null
+++ b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_05.htm
@@ -0,0 +1,6 @@
+<html><body>Celestiel:<br>
+Oh! The samples I need are samples of a few particular species of plant that live here.<br>
+Until now, Fairy Mimyu has been helping me collect enough Nymph Stamen, but it's too hard finding samples other than those.<br>
+But I'm a bit hesitant about asking Fairy Mimyu to find me the other samples too.<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_follower_q10851_06.htm">"What samples do I need to find?"</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_06.htm b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_06.htm
new file mode 100644
index 0000000000..918153726b
--- /dev/null
+++ b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_06.htm
@@ -0,0 +1,5 @@
+<html><body>Celestiel:<br>
+Ah, so will you help me out?<br>
+If that's the case, the samples I need are... oh, I guess you don't exactly how many of which samples I'll be needing, since Irene was the one who was managing the samples.<br>Would you go to Irene and ask which samples required for the research are?<br>
+See, I've been bugging Irene with a bunch of questions, even just now... I think it would be better for you to go and ask instead of me.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_07.html b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_07.html
new file mode 100644
index 0000000000..6355dd1b58
--- /dev/null
+++ b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_follower_q10851_07.html
@@ -0,0 +1,4 @@
+<html><body>Celestiel:<br>
+Please go to Irene and ask her which samples needed for the biological research are.<br>
+If you ask her yourself, she's sure to give you a kind answer with a smile.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_01.html b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_01.html
new file mode 100644
index 0000000000..16e5eceda5
--- /dev/null
+++ b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_01.html
@@ -0,0 +1,5 @@
+<html><body>Guardian Irene:<br>
+What's going on?<br>
+I thought you were speaking with Celestiel until just now.<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_leader_q10851_02.html">"So the samples..."</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_02.html b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_02.html
new file mode 100644
index 0000000000..ecbe79b427
--- /dev/null
+++ b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_02.html
@@ -0,0 +1,5 @@
+<html><body>Guardian Irene:<br>
+I was wondering what Celestiel was talking so enthusiastically about. I guess you were talking about the samples.<br>
+I swear she told me just a short while ago that she needed some kind of sample... Well, with her being as busy as she is nowadays with her research, her being so forgetful is understandable.<br>
+Samples needed are <font color="LEVEL">150 Apherus Samples, and 50 Flower Bud Samples</font>. Samples can be obtained from <font color="LEVEL">Apherus, and Flower Buds</font>.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_03.html b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_03.html
new file mode 100644
index 0000000000..334aa652a5
--- /dev/null
+++ b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_03.html
@@ -0,0 +1,4 @@
+<html><body>Guardian Irene:<br>
+You don't have enough samples.<br>
+Samples needed are <font color="LEVEL">150 Apherus Samples, and 50 Flower Bud Samples</font>. Samples can be obtained from <font color="LEVEL">Apherus, and Flower Buds</font>.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_04.html b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_04.html
new file mode 100644
index 0000000000..d3d70ce2a6
--- /dev/null
+++ b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_04.html
@@ -0,0 +1,5 @@
+<html><body>Guardian Irene:<br>
+Are you done collecting the samples?<br>
+We need samples to conduct research, but it's the part collecting the samples that discourages everyone. It's not so easy finding samples, is it?<br>
+<Button ALIGN=LEFT ICON="Normal" action="bypass -h Quest Q10851_ElvenBotany guardian_leader_q10851_05.html">"Yes, right."</Button>
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_05.html b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_05.html
new file mode 100644
index 0000000000..18a5fb4d0e
--- /dev/null
+++ b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/Q10851_ElvenBotany/guardian_leader_q10851_05.html
@@ -0,0 +1,5 @@
+<html><body>Guardian Irene:<br>
+Thank you. Using these samples, we will be able to investigate the growth and changes around here.<br>
+If we discover what changes are going on right now in the Enchanted Valley, we might need to ask you to do some other work for us.<br>
+If that happens, I hope you'll help us again.
+</body></html>
\ No newline at end of file
diff --git a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/QuestMasterHandler.java b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/QuestMasterHandler.java
index 18d0996940..176211fa3f 100644
--- a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/QuestMasterHandler.java
+++ b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/QuestMasterHandler.java
@@ -410,6 +410,7 @@ import quests.Q10839_BlackbirdsNameValue.Q10839_BlackbirdsNameValue;
 import quests.Q10840_TimeToRecover.Q10840_TimeToRecover;
 import quests.Q10841_DeepInsideAteliaFortress.Q10841_DeepInsideAteliaFortress;
 import quests.Q10843_AnomalyInTheEnchantedValley.Q10843_AnomalyInTheEnchantedValley;
+import quests.Q10851_ElvenBotany.Q10851_ElvenBotany;
 import quests.custom.Q00529_RegularBarrierMaintenance.Q00529_RegularBarrierMaintenance;
 import quests.custom.Q00560_HowToOvercomeFear.Q00560_HowToOvercomeFear;
 import quests.custom.Q00589_ASecretChange.Q00589_ASecretChange;
@@ -964,7 +965,7 @@ public class QuestMasterHandler
 		Q10846_BloodyBattleMeetingTheCommander.class, // TODO: Not done.
 		Q10848_TrialsBeforeTheBattle.class, // TODO: Not done.
 		Q10849_TrialsForAdaptation.class, // TODO: Not done.
-		Q10851_ElvenBotany.class, // TODO: Not done.
+		Q10851_ElvenBotany.class,
 		Q10852_TheMotherTreeRevivalProject.class, // TODO: Not done.
 		Q10853_ToWeakenTheGiants.class, // TODO: Not done.
 		Q10854_ToSeizeTheFortress.class, // TODO: Not done.
diff --git a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/not_done/Q10851_ElvenBotany.java b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/not_done/Q10851_ElvenBotany.java
deleted file mode 100644
index 32c00cd1d4..0000000000
--- a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/quests/not_done/Q10851_ElvenBotany.java
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * This file is part of the L2J Mobius project.
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-package quests.not_done;
-
-import org.l2jmobius.Config;
-import org.l2jmobius.gameserver.model.quest.Quest;
-
-/**
- * @author Mobius
- */
-public class Q10851_ElvenBotany extends Quest
-{
-	private static final int START_NPC = 34234;
-	
-	public Q10851_ElvenBotany()
-	{
-		super(10851);
-		addStartNpc(START_NPC);
-		addTalkId(START_NPC);
-		addCondMinLevel(Config.PLAYER_MAXIMUM_LEVEL, getNoQuestMsg(null));
-	}
-}