diff --git a/L2J_Mobius_08.2_Homunculus/dist/game/data/scripts/ai/bosses/Baylor/BaylorWarzone.java b/L2J_Mobius_08.2_Homunculus/dist/game/data/scripts/ai/bosses/Baylor/BaylorWarzone.java
index 505a51ac27..19fcd59ca4 100644
--- a/L2J_Mobius_08.2_Homunculus/dist/game/data/scripts/ai/bosses/Baylor/BaylorWarzone.java
+++ b/L2J_Mobius_08.2_Homunculus/dist/game/data/scripts/ai/bosses/Baylor/BaylorWarzone.java
@@ -354,7 +354,8 @@ public class BaylorWarzone extends AbstractInstance
 				{
 					giveItems(member, BENUSTAS_REWARD_BOX);
 				}
-				final Player randomPlayer = world.getFirstPlayer().getParty().getRandomPlayer();
+				final Party party = world.getFirstPlayer().getParty();
+				final Player randomPlayer = party != null ? party.getRandomPlayer() : null;
 				if ((randomPlayer != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
 				{
 					giveItems(randomPlayer, BENUSTAS_SHINING_REWARD_BOX);
diff --git a/L2J_Mobius_08.2_Homunculus/dist/game/data/scripts/instances/AshenShadowRevolutionaries/AshenShadowRevolutionaries.java b/L2J_Mobius_08.2_Homunculus/dist/game/data/scripts/instances/AshenShadowRevolutionaries/AshenShadowRevolutionaries.java
index 466e9910cf..dd5aaad843 100644
--- a/L2J_Mobius_08.2_Homunculus/dist/game/data/scripts/instances/AshenShadowRevolutionaries/AshenShadowRevolutionaries.java
+++ b/L2J_Mobius_08.2_Homunculus/dist/game/data/scripts/instances/AshenShadowRevolutionaries/AshenShadowRevolutionaries.java
@@ -337,7 +337,8 @@ public class AshenShadowRevolutionaries extends AbstractInstance
 				{
 					giveItems(member, BENUSTAS_REWARD_BOX);
 				}
-				final Player randomPlayer = world.getFirstPlayer().getParty().getRandomPlayer();
+				final Party party = world.getFirstPlayer().getParty();
+				final Player randomPlayer = party != null ? party.getRandomPlayer() : null;
 				if ((randomPlayer != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
 				{
 					giveItems(randomPlayer, BENUSTAS_SHINING_REWARD_BOX);
diff --git a/L2J_Mobius_08.2_Homunculus/dist/game/data/scripts/instances/NightmareKamaloka/NightmareKamaloka.java b/L2J_Mobius_08.2_Homunculus/dist/game/data/scripts/instances/NightmareKamaloka/NightmareKamaloka.java
index 589a5110dc..259c67ad2e 100644
--- a/L2J_Mobius_08.2_Homunculus/dist/game/data/scripts/instances/NightmareKamaloka/NightmareKamaloka.java
+++ b/L2J_Mobius_08.2_Homunculus/dist/game/data/scripts/instances/NightmareKamaloka/NightmareKamaloka.java
@@ -154,26 +154,27 @@ public class NightmareKamaloka extends AbstractInstance
 	@Override
 	public String onKill(Npc npc, Player killer, boolean isSummon)
 	{
-		final Instance instance = npc.getInstanceWorld();
-		if (isInInstance(instance))
+		final Instance world = npc.getInstanceWorld();
+		if (isInInstance(world))
 		{
 			final int nextDoorId = BOSS_MAP.getOrDefault(npc.getId(), -1);
 			if (nextDoorId == -1)
 			{
-				for (Player member : instance.getPlayers())
+				for (Player member : world.getPlayers())
 				{
 					giveItems(member, BENUSTAS_REWARD_BOX);
 				}
-				final Player randomPlayer = instance.getFirstPlayer().getParty().getRandomPlayer();
-				if ((randomPlayer != null) && (getRandom(100) < 80) && (instance.getPlayersCount() == instance.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
+				final Party party = world.getFirstPlayer().getParty();
+				final Player randomPlayer = party != null ? party.getRandomPlayer() : null;
+				if ((randomPlayer != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
 				{
 					giveItems(randomPlayer, BENUSTAS_SHINING_REWARD_BOX);
 				}
-				instance.finishInstance();
+				world.finishInstance();
 			}
 			else
 			{
-				instance.openCloseDoor(nextDoorId, true);
+				world.openCloseDoor(nextDoorId, true);
 			}
 		}
 		return super.onKill(npc, killer, isSummon);
diff --git a/L2J_Mobius_09.2_ReturnOfTheQueenAnt/dist/game/data/scripts/ai/bosses/Baylor/BaylorWarzone.java b/L2J_Mobius_09.2_ReturnOfTheQueenAnt/dist/game/data/scripts/ai/bosses/Baylor/BaylorWarzone.java
index d2735491be..a08ba5051e 100644
--- a/L2J_Mobius_09.2_ReturnOfTheQueenAnt/dist/game/data/scripts/ai/bosses/Baylor/BaylorWarzone.java
+++ b/L2J_Mobius_09.2_ReturnOfTheQueenAnt/dist/game/data/scripts/ai/bosses/Baylor/BaylorWarzone.java
@@ -366,7 +366,8 @@ public class BaylorWarzone extends AbstractInstance
 				{
 					giveItems(member, world.getTemplateId() == TEMPLATE_IDS[0] ? BENUSTAS_REWARD_BOX : BENUSTAS_REWARD_BOX_110);
 				}
-				final Player randomPlayer = world.getFirstPlayer().getParty().getRandomPlayer();
+				final Party party = world.getFirstPlayer().getParty();
+				final Player randomPlayer = party != null ? party.getRandomPlayer() : null;
 				if ((randomPlayer != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
 				{
 					giveItems(randomPlayer, BENUSTAS_SHINING_REWARD_BOX);
diff --git a/L2J_Mobius_09.2_ReturnOfTheQueenAnt/dist/game/data/scripts/instances/AshenShadowRevolutionaries/AshenShadowRevolutionaries.java b/L2J_Mobius_09.2_ReturnOfTheQueenAnt/dist/game/data/scripts/instances/AshenShadowRevolutionaries/AshenShadowRevolutionaries.java
index c6ef37e526..eb798bf5b8 100644
--- a/L2J_Mobius_09.2_ReturnOfTheQueenAnt/dist/game/data/scripts/instances/AshenShadowRevolutionaries/AshenShadowRevolutionaries.java
+++ b/L2J_Mobius_09.2_ReturnOfTheQueenAnt/dist/game/data/scripts/instances/AshenShadowRevolutionaries/AshenShadowRevolutionaries.java
@@ -382,7 +382,8 @@ public class AshenShadowRevolutionaries extends AbstractInstance
 				{
 					giveItems(member, world.getTemplateId() == TEMPLATE_IDS[0] ? BENUSTAS_REWARD_BOX : BENUSTAS_REWARD_BOX_110);
 				}
-				final Player randomPlayer = world.getFirstPlayer().getParty().getRandomPlayer();
+				final Party party = world.getFirstPlayer().getParty();
+				final Player randomPlayer = party != null ? party.getRandomPlayer() : null;
 				if ((randomPlayer != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
 				{
 					giveItems(randomPlayer, BENUSTAS_SHINING_REWARD_BOX);
diff --git a/L2J_Mobius_09.2_ReturnOfTheQueenAnt/dist/game/data/scripts/instances/KrofinNest/KrofinNest.java b/L2J_Mobius_09.2_ReturnOfTheQueenAnt/dist/game/data/scripts/instances/KrofinNest/KrofinNest.java
index 0b7802f76b..3876f168a7 100644
--- a/L2J_Mobius_09.2_ReturnOfTheQueenAnt/dist/game/data/scripts/instances/KrofinNest/KrofinNest.java
+++ b/L2J_Mobius_09.2_ReturnOfTheQueenAnt/dist/game/data/scripts/instances/KrofinNest/KrofinNest.java
@@ -441,7 +441,8 @@ public class KrofinNest extends AbstractInstance
 		{
 			final boolean kroshaFirstFormMinionsSpawnedTwice = world.getParameters().getBoolean("KROSHA_FIRST_FORM_MINIONS_SPAWNED_TWICE", false);
 			final boolean kroshaFinalFormSpawned = world.getParameters().getBoolean("KROSHA_FINAL_FORM_SPAWNED", false);
-			final Player randomPl = world.getFirstPlayer().getParty().getRandomPlayer();
+			final Party party = world.getFirstPlayer().getParty();
+			final Player randomPlayer = party != null ? party.getRandomPlayer() : null;
 			if (world.getStatus() == 5)
 			{
 				if (CommonUtil.contains(KROSHA_FIRST_FORM_MINIONS, npc.getId()))
@@ -473,9 +474,9 @@ public class KrofinNest extends AbstractInstance
 					{
 						giveItems(member, BENUSTAS_REWARD_BOX);
 					}
-					if ((randomPl != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
+					if ((randomPlayer != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
 					{
-						giveItems(randomPl, BENUSTAS_SHINING_REWARD_BOX);
+						giveItems(randomPlayer, BENUSTAS_SHINING_REWARD_BOX);
 					}
 					showOnScreenMsg(world, NpcStringId.THE_WATER_POWER_PROTECTING_QUEEN_KROSHA_HAS_DISAPPEARED, ExShowScreenMessage.TOP_CENTER, 7000, true);
 					world.finishInstance();
@@ -486,9 +487,9 @@ public class KrofinNest extends AbstractInstance
 					{
 						giveItems(member, BENUSTAS_REWARD_BOX_110);
 					}
-					if ((randomPl != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
+					if ((randomPlayer != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
 					{
-						giveItems(randomPl, BENUSTAS_SHINING_REWARD_BOX);
+						giveItems(randomPlayer, BENUSTAS_SHINING_REWARD_BOX);
 					}
 					showOnScreenMsg(world, NpcStringId.THE_WATER_POWER_PROTECTING_QUEEN_KROSHA_HAS_DISAPPEARED, ExShowScreenMessage.TOP_CENTER, 7000, true);
 					world.finishInstance();
diff --git a/L2J_Mobius_09.2_ReturnOfTheQueenAnt/dist/game/data/scripts/instances/NightmareKamaloka/NightmareKamaloka.java b/L2J_Mobius_09.2_ReturnOfTheQueenAnt/dist/game/data/scripts/instances/NightmareKamaloka/NightmareKamaloka.java
index f561e5bb1f..60c02a5734 100644
--- a/L2J_Mobius_09.2_ReturnOfTheQueenAnt/dist/game/data/scripts/instances/NightmareKamaloka/NightmareKamaloka.java
+++ b/L2J_Mobius_09.2_ReturnOfTheQueenAnt/dist/game/data/scripts/instances/NightmareKamaloka/NightmareKamaloka.java
@@ -169,26 +169,27 @@ public class NightmareKamaloka extends AbstractInstance
 	@Override
 	public String onKill(Npc npc, Player killer, boolean isSummon)
 	{
-		final Instance instance = npc.getInstanceWorld();
-		if (isInInstance(instance))
+		final Instance world = npc.getInstanceWorld();
+		if (isInInstance(world))
 		{
-			final int nextDoorId = instance.getTemplateId() == TEMPLATE_IDS[0] ? BOSS_MAP.getOrDefault(npc.getId(), -1) : BOSS_MAP_110.getOrDefault(npc.getId(), -1);
+			final int nextDoorId = world.getTemplateId() == TEMPLATE_IDS[0] ? BOSS_MAP.getOrDefault(npc.getId(), -1) : BOSS_MAP_110.getOrDefault(npc.getId(), -1);
 			if (nextDoorId == -1)
 			{
-				for (Player member : instance.getPlayers())
+				for (Player member : world.getPlayers())
 				{
-					giveItems(member, instance.getTemplateId() == TEMPLATE_IDS[0] ? BENUSTAS_REWARD_BOX : BENUSTAS_REWARD_BOX_110);
+					giveItems(member, world.getTemplateId() == TEMPLATE_IDS[0] ? BENUSTAS_REWARD_BOX : BENUSTAS_REWARD_BOX_110);
 				}
-				final Player randomPlayer = instance.getFirstPlayer().getParty().getRandomPlayer();
-				if ((randomPlayer != null) && (getRandom(100) < 80) && (instance.getPlayersCount() == instance.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
+				final Party party = world.getFirstPlayer().getParty();
+				final Player randomPlayer = party != null ? party.getRandomPlayer() : null;
+				if ((randomPlayer != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
 				{
 					giveItems(randomPlayer, BENUSTAS_SHINING_REWARD_BOX);
 				}
-				instance.finishInstance();
+				world.finishInstance();
 			}
 			else
 			{
-				instance.openCloseDoor(nextDoorId, true);
+				world.openCloseDoor(nextDoorId, true);
 			}
 		}
 		return super.onKill(npc, killer, isSummon);
diff --git a/L2J_Mobius_10.1_MasterClass/dist/game/data/scripts/ai/bosses/Baylor/BaylorWarzone.java b/L2J_Mobius_10.1_MasterClass/dist/game/data/scripts/ai/bosses/Baylor/BaylorWarzone.java
index d2735491be..a08ba5051e 100644
--- a/L2J_Mobius_10.1_MasterClass/dist/game/data/scripts/ai/bosses/Baylor/BaylorWarzone.java
+++ b/L2J_Mobius_10.1_MasterClass/dist/game/data/scripts/ai/bosses/Baylor/BaylorWarzone.java
@@ -366,7 +366,8 @@ public class BaylorWarzone extends AbstractInstance
 				{
 					giveItems(member, world.getTemplateId() == TEMPLATE_IDS[0] ? BENUSTAS_REWARD_BOX : BENUSTAS_REWARD_BOX_110);
 				}
-				final Player randomPlayer = world.getFirstPlayer().getParty().getRandomPlayer();
+				final Party party = world.getFirstPlayer().getParty();
+				final Player randomPlayer = party != null ? party.getRandomPlayer() : null;
 				if ((randomPlayer != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
 				{
 					giveItems(randomPlayer, BENUSTAS_SHINING_REWARD_BOX);
diff --git a/L2J_Mobius_10.1_MasterClass/dist/game/data/scripts/instances/AshenShadowRevolutionaries/AshenShadowRevolutionaries.java b/L2J_Mobius_10.1_MasterClass/dist/game/data/scripts/instances/AshenShadowRevolutionaries/AshenShadowRevolutionaries.java
index c6ef37e526..eb798bf5b8 100644
--- a/L2J_Mobius_10.1_MasterClass/dist/game/data/scripts/instances/AshenShadowRevolutionaries/AshenShadowRevolutionaries.java
+++ b/L2J_Mobius_10.1_MasterClass/dist/game/data/scripts/instances/AshenShadowRevolutionaries/AshenShadowRevolutionaries.java
@@ -382,7 +382,8 @@ public class AshenShadowRevolutionaries extends AbstractInstance
 				{
 					giveItems(member, world.getTemplateId() == TEMPLATE_IDS[0] ? BENUSTAS_REWARD_BOX : BENUSTAS_REWARD_BOX_110);
 				}
-				final Player randomPlayer = world.getFirstPlayer().getParty().getRandomPlayer();
+				final Party party = world.getFirstPlayer().getParty();
+				final Player randomPlayer = party != null ? party.getRandomPlayer() : null;
 				if ((randomPlayer != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
 				{
 					giveItems(randomPlayer, BENUSTAS_SHINING_REWARD_BOX);
diff --git a/L2J_Mobius_10.1_MasterClass/dist/game/data/scripts/instances/KrofinNest/KrofinNest.java b/L2J_Mobius_10.1_MasterClass/dist/game/data/scripts/instances/KrofinNest/KrofinNest.java
index 0b7802f76b..3876f168a7 100644
--- a/L2J_Mobius_10.1_MasterClass/dist/game/data/scripts/instances/KrofinNest/KrofinNest.java
+++ b/L2J_Mobius_10.1_MasterClass/dist/game/data/scripts/instances/KrofinNest/KrofinNest.java
@@ -441,7 +441,8 @@ public class KrofinNest extends AbstractInstance
 		{
 			final boolean kroshaFirstFormMinionsSpawnedTwice = world.getParameters().getBoolean("KROSHA_FIRST_FORM_MINIONS_SPAWNED_TWICE", false);
 			final boolean kroshaFinalFormSpawned = world.getParameters().getBoolean("KROSHA_FINAL_FORM_SPAWNED", false);
-			final Player randomPl = world.getFirstPlayer().getParty().getRandomPlayer();
+			final Party party = world.getFirstPlayer().getParty();
+			final Player randomPlayer = party != null ? party.getRandomPlayer() : null;
 			if (world.getStatus() == 5)
 			{
 				if (CommonUtil.contains(KROSHA_FIRST_FORM_MINIONS, npc.getId()))
@@ -473,9 +474,9 @@ public class KrofinNest extends AbstractInstance
 					{
 						giveItems(member, BENUSTAS_REWARD_BOX);
 					}
-					if ((randomPl != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
+					if ((randomPlayer != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
 					{
-						giveItems(randomPl, BENUSTAS_SHINING_REWARD_BOX);
+						giveItems(randomPlayer, BENUSTAS_SHINING_REWARD_BOX);
 					}
 					showOnScreenMsg(world, NpcStringId.THE_WATER_POWER_PROTECTING_QUEEN_KROSHA_HAS_DISAPPEARED, ExShowScreenMessage.TOP_CENTER, 7000, true);
 					world.finishInstance();
@@ -486,9 +487,9 @@ public class KrofinNest extends AbstractInstance
 					{
 						giveItems(member, BENUSTAS_REWARD_BOX_110);
 					}
-					if ((randomPl != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
+					if ((randomPlayer != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
 					{
-						giveItems(randomPl, BENUSTAS_SHINING_REWARD_BOX);
+						giveItems(randomPlayer, BENUSTAS_SHINING_REWARD_BOX);
 					}
 					showOnScreenMsg(world, NpcStringId.THE_WATER_POWER_PROTECTING_QUEEN_KROSHA_HAS_DISAPPEARED, ExShowScreenMessage.TOP_CENTER, 7000, true);
 					world.finishInstance();
diff --git a/L2J_Mobius_10.1_MasterClass/dist/game/data/scripts/instances/NightmareKamaloka/NightmareKamaloka.java b/L2J_Mobius_10.1_MasterClass/dist/game/data/scripts/instances/NightmareKamaloka/NightmareKamaloka.java
index f561e5bb1f..60c02a5734 100644
--- a/L2J_Mobius_10.1_MasterClass/dist/game/data/scripts/instances/NightmareKamaloka/NightmareKamaloka.java
+++ b/L2J_Mobius_10.1_MasterClass/dist/game/data/scripts/instances/NightmareKamaloka/NightmareKamaloka.java
@@ -169,26 +169,27 @@ public class NightmareKamaloka extends AbstractInstance
 	@Override
 	public String onKill(Npc npc, Player killer, boolean isSummon)
 	{
-		final Instance instance = npc.getInstanceWorld();
-		if (isInInstance(instance))
+		final Instance world = npc.getInstanceWorld();
+		if (isInInstance(world))
 		{
-			final int nextDoorId = instance.getTemplateId() == TEMPLATE_IDS[0] ? BOSS_MAP.getOrDefault(npc.getId(), -1) : BOSS_MAP_110.getOrDefault(npc.getId(), -1);
+			final int nextDoorId = world.getTemplateId() == TEMPLATE_IDS[0] ? BOSS_MAP.getOrDefault(npc.getId(), -1) : BOSS_MAP_110.getOrDefault(npc.getId(), -1);
 			if (nextDoorId == -1)
 			{
-				for (Player member : instance.getPlayers())
+				for (Player member : world.getPlayers())
 				{
-					giveItems(member, instance.getTemplateId() == TEMPLATE_IDS[0] ? BENUSTAS_REWARD_BOX : BENUSTAS_REWARD_BOX_110);
+					giveItems(member, world.getTemplateId() == TEMPLATE_IDS[0] ? BENUSTAS_REWARD_BOX : BENUSTAS_REWARD_BOX_110);
 				}
-				final Player randomPlayer = instance.getFirstPlayer().getParty().getRandomPlayer();
-				if ((randomPlayer != null) && (getRandom(100) < 80) && (instance.getPlayersCount() == instance.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
+				final Party party = world.getFirstPlayer().getParty();
+				final Player randomPlayer = party != null ? party.getRandomPlayer() : null;
+				if ((randomPlayer != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
 				{
 					giveItems(randomPlayer, BENUSTAS_SHINING_REWARD_BOX);
 				}
-				instance.finishInstance();
+				world.finishInstance();
 			}
 			else
 			{
-				instance.openCloseDoor(nextDoorId, true);
+				world.openCloseDoor(nextDoorId, true);
 			}
 		}
 		return super.onKill(npc, killer, isSummon);
diff --git a/L2J_Mobius_10.2_MasterClass/dist/game/data/scripts/ai/bosses/Baylor/BaylorWarzone.java b/L2J_Mobius_10.2_MasterClass/dist/game/data/scripts/ai/bosses/Baylor/BaylorWarzone.java
index d2735491be..a08ba5051e 100644
--- a/L2J_Mobius_10.2_MasterClass/dist/game/data/scripts/ai/bosses/Baylor/BaylorWarzone.java
+++ b/L2J_Mobius_10.2_MasterClass/dist/game/data/scripts/ai/bosses/Baylor/BaylorWarzone.java
@@ -366,7 +366,8 @@ public class BaylorWarzone extends AbstractInstance
 				{
 					giveItems(member, world.getTemplateId() == TEMPLATE_IDS[0] ? BENUSTAS_REWARD_BOX : BENUSTAS_REWARD_BOX_110);
 				}
-				final Player randomPlayer = world.getFirstPlayer().getParty().getRandomPlayer();
+				final Party party = world.getFirstPlayer().getParty();
+				final Player randomPlayer = party != null ? party.getRandomPlayer() : null;
 				if ((randomPlayer != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
 				{
 					giveItems(randomPlayer, BENUSTAS_SHINING_REWARD_BOX);
diff --git a/L2J_Mobius_10.2_MasterClass/dist/game/data/scripts/instances/AshenShadowRevolutionaries/AshenShadowRevolutionaries.java b/L2J_Mobius_10.2_MasterClass/dist/game/data/scripts/instances/AshenShadowRevolutionaries/AshenShadowRevolutionaries.java
index c6ef37e526..eb798bf5b8 100644
--- a/L2J_Mobius_10.2_MasterClass/dist/game/data/scripts/instances/AshenShadowRevolutionaries/AshenShadowRevolutionaries.java
+++ b/L2J_Mobius_10.2_MasterClass/dist/game/data/scripts/instances/AshenShadowRevolutionaries/AshenShadowRevolutionaries.java
@@ -382,7 +382,8 @@ public class AshenShadowRevolutionaries extends AbstractInstance
 				{
 					giveItems(member, world.getTemplateId() == TEMPLATE_IDS[0] ? BENUSTAS_REWARD_BOX : BENUSTAS_REWARD_BOX_110);
 				}
-				final Player randomPlayer = world.getFirstPlayer().getParty().getRandomPlayer();
+				final Party party = world.getFirstPlayer().getParty();
+				final Player randomPlayer = party != null ? party.getRandomPlayer() : null;
 				if ((randomPlayer != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
 				{
 					giveItems(randomPlayer, BENUSTAS_SHINING_REWARD_BOX);
diff --git a/L2J_Mobius_10.2_MasterClass/dist/game/data/scripts/instances/KrofinNest/KrofinNest.java b/L2J_Mobius_10.2_MasterClass/dist/game/data/scripts/instances/KrofinNest/KrofinNest.java
index 0b7802f76b..3876f168a7 100644
--- a/L2J_Mobius_10.2_MasterClass/dist/game/data/scripts/instances/KrofinNest/KrofinNest.java
+++ b/L2J_Mobius_10.2_MasterClass/dist/game/data/scripts/instances/KrofinNest/KrofinNest.java
@@ -441,7 +441,8 @@ public class KrofinNest extends AbstractInstance
 		{
 			final boolean kroshaFirstFormMinionsSpawnedTwice = world.getParameters().getBoolean("KROSHA_FIRST_FORM_MINIONS_SPAWNED_TWICE", false);
 			final boolean kroshaFinalFormSpawned = world.getParameters().getBoolean("KROSHA_FINAL_FORM_SPAWNED", false);
-			final Player randomPl = world.getFirstPlayer().getParty().getRandomPlayer();
+			final Party party = world.getFirstPlayer().getParty();
+			final Player randomPlayer = party != null ? party.getRandomPlayer() : null;
 			if (world.getStatus() == 5)
 			{
 				if (CommonUtil.contains(KROSHA_FIRST_FORM_MINIONS, npc.getId()))
@@ -473,9 +474,9 @@ public class KrofinNest extends AbstractInstance
 					{
 						giveItems(member, BENUSTAS_REWARD_BOX);
 					}
-					if ((randomPl != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
+					if ((randomPlayer != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
 					{
-						giveItems(randomPl, BENUSTAS_SHINING_REWARD_BOX);
+						giveItems(randomPlayer, BENUSTAS_SHINING_REWARD_BOX);
 					}
 					showOnScreenMsg(world, NpcStringId.THE_WATER_POWER_PROTECTING_QUEEN_KROSHA_HAS_DISAPPEARED, ExShowScreenMessage.TOP_CENTER, 7000, true);
 					world.finishInstance();
@@ -486,9 +487,9 @@ public class KrofinNest extends AbstractInstance
 					{
 						giveItems(member, BENUSTAS_REWARD_BOX_110);
 					}
-					if ((randomPl != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
+					if ((randomPlayer != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
 					{
-						giveItems(randomPl, BENUSTAS_SHINING_REWARD_BOX);
+						giveItems(randomPlayer, BENUSTAS_SHINING_REWARD_BOX);
 					}
 					showOnScreenMsg(world, NpcStringId.THE_WATER_POWER_PROTECTING_QUEEN_KROSHA_HAS_DISAPPEARED, ExShowScreenMessage.TOP_CENTER, 7000, true);
 					world.finishInstance();
diff --git a/L2J_Mobius_10.2_MasterClass/dist/game/data/scripts/instances/NightmareKamaloka/NightmareKamaloka.java b/L2J_Mobius_10.2_MasterClass/dist/game/data/scripts/instances/NightmareKamaloka/NightmareKamaloka.java
index f561e5bb1f..60c02a5734 100644
--- a/L2J_Mobius_10.2_MasterClass/dist/game/data/scripts/instances/NightmareKamaloka/NightmareKamaloka.java
+++ b/L2J_Mobius_10.2_MasterClass/dist/game/data/scripts/instances/NightmareKamaloka/NightmareKamaloka.java
@@ -169,26 +169,27 @@ public class NightmareKamaloka extends AbstractInstance
 	@Override
 	public String onKill(Npc npc, Player killer, boolean isSummon)
 	{
-		final Instance instance = npc.getInstanceWorld();
-		if (isInInstance(instance))
+		final Instance world = npc.getInstanceWorld();
+		if (isInInstance(world))
 		{
-			final int nextDoorId = instance.getTemplateId() == TEMPLATE_IDS[0] ? BOSS_MAP.getOrDefault(npc.getId(), -1) : BOSS_MAP_110.getOrDefault(npc.getId(), -1);
+			final int nextDoorId = world.getTemplateId() == TEMPLATE_IDS[0] ? BOSS_MAP.getOrDefault(npc.getId(), -1) : BOSS_MAP_110.getOrDefault(npc.getId(), -1);
 			if (nextDoorId == -1)
 			{
-				for (Player member : instance.getPlayers())
+				for (Player member : world.getPlayers())
 				{
-					giveItems(member, instance.getTemplateId() == TEMPLATE_IDS[0] ? BENUSTAS_REWARD_BOX : BENUSTAS_REWARD_BOX_110);
+					giveItems(member, world.getTemplateId() == TEMPLATE_IDS[0] ? BENUSTAS_REWARD_BOX : BENUSTAS_REWARD_BOX_110);
 				}
-				final Player randomPlayer = instance.getFirstPlayer().getParty().getRandomPlayer();
-				if ((randomPlayer != null) && (getRandom(100) < 80) && (instance.getPlayersCount() == instance.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
+				final Party party = world.getFirstPlayer().getParty();
+				final Player randomPlayer = party != null ? party.getRandomPlayer() : null;
+				if ((randomPlayer != null) && (getRandom(100) < 80) && (world.getPlayersCount() == world.getParameters().getInt("INITIAL_PARTY_MEMBERS", 0)))
 				{
 					giveItems(randomPlayer, BENUSTAS_SHINING_REWARD_BOX);
 				}
-				instance.finishInstance();
+				world.finishInstance();
 			}
 			else
 			{
-				instance.openCloseDoor(nextDoorId, true);
+				world.openCloseDoor(nextDoorId, true);
 			}
 		}
 		return super.onKill(npc, killer, isSummon);