diff --git a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/handlers/EffectMasterHandler.java b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/handlers/EffectMasterHandler.java
index 60b44a0757..8e93bb3469 100644
--- a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/handlers/EffectMasterHandler.java
+++ b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/handlers/EffectMasterHandler.java
@@ -285,6 +285,7 @@ public final class EffectMasterHandler
 		EffectHandler.getInstance().registerHandler("RefuelAirship", RefuelAirship::new);
 		EffectHandler.getInstance().registerHandler("Relax", Relax::new);
 		EffectHandler.getInstance().registerHandler("RemoveEquipPenalty", RemoveEquipPenalty::new);
+		EffectHandler.getInstance().registerHandler("ReplaceSkillBySkill", ReplaceSkillBySkill::new);
 		EffectHandler.getInstance().registerHandler("ResetInstanceEntry", ResetInstanceEntry::new);
 		EffectHandler.getInstance().registerHandler("ResistAbnormalByCategory", ResistAbnormalByCategory::new);
 		EffectHandler.getInstance().registerHandler("ResistDDMagic", ResistDDMagic::new);
diff --git a/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/handlers/effecthandlers/ReplaceSkillBySkill.java b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/handlers/effecthandlers/ReplaceSkillBySkill.java
new file mode 100644
index 0000000000..8abc6f37a6
--- /dev/null
+++ b/L2J_Mobius_5.0_Salvation/dist/game/data/scripts/handlers/effecthandlers/ReplaceSkillBySkill.java
@@ -0,0 +1,117 @@
+/*
+ * 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 handlers.effecthandlers;
+
+import org.l2jmobius.commons.concurrent.ThreadPool;
+import org.l2jmobius.gameserver.data.xml.impl.SkillData;
+import org.l2jmobius.gameserver.enums.ShortcutType;
+import org.l2jmobius.gameserver.model.Shortcut;
+import org.l2jmobius.gameserver.model.StatsSet;
+import org.l2jmobius.gameserver.model.actor.Creature;
+import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.effects.AbstractEffect;
+import org.l2jmobius.gameserver.model.holders.SkillHolder;
+import org.l2jmobius.gameserver.model.items.instance.ItemInstance;
+import org.l2jmobius.gameserver.model.skills.Skill;
+import org.l2jmobius.gameserver.network.serverpackets.ShortCutInit;
+import org.l2jmobius.gameserver.network.serverpackets.ShortCutRegister;
+
+/**
+ * @author Mobius
+ */
+public class ReplaceSkillBySkill extends AbstractEffect
+{
+	private final SkillHolder _existingSkill;
+	private final SkillHolder _replacementSkill;
+	
+	public ReplaceSkillBySkill(StatsSet params)
+	{
+		_existingSkill = new SkillHolder(params.getInt("existingSkillId"), params.getInt("existingSkillLevel", -1));
+		_replacementSkill = new SkillHolder(params.getInt("replacementSkillId"), params.getInt("replacementSkillLevel", -1));
+	}
+	
+	@Override
+	public void onStart(Creature effector, Creature effected, Skill skill, ItemInstance item)
+	{
+		if (effected.isPlayer())
+		{
+			final PlayerInstance player = effected.getActingPlayer();
+			final Skill knownSkill = player.getKnownSkill(_existingSkill.getSkillId());
+			if ((knownSkill == null) || (knownSkill.getLevel() < _existingSkill.getSkillLevel()))
+			{
+				return;
+			}
+			
+			final Skill addedSkill = SkillData.getInstance().getSkill(_replacementSkill.getSkillId(), _replacementSkill.getSkillLevel() < 1 ? knownSkill.getLevel() : _replacementSkill.getSkillLevel(), knownSkill.getSubLevel());
+			player.addSkill(addedSkill, false);
+			for (Shortcut shortcut : player.getAllShortCuts())
+			{
+				if ((shortcut.getType() == ShortcutType.SKILL) && (shortcut.getId() == knownSkill.getId()) && (shortcut.getLevel() == knownSkill.getLevel()))
+				{
+					final int slot = shortcut.getSlot();
+					final int page = shortcut.getPage();
+					final int characterType = shortcut.getCharacterType();
+					player.deleteShortCut(slot, page);
+					final Shortcut newShortcut = new Shortcut(slot, page, ShortcutType.SKILL, addedSkill.getId(), addedSkill.getLevel(), addedSkill.getSubLevel(), characterType);
+					player.registerShortCut(newShortcut);
+					player.sendPacket(new ShortCutRegister(newShortcut));
+				}
+			}
+			
+			player.removeSkill(knownSkill, false);
+			player.sendSkillList();
+			ThreadPool.schedule(() ->
+			{
+				player.sendPacket(new ShortCutInit(player));
+			}, 1100);
+		}
+	}
+	
+	@Override
+	public void onExit(Creature effector, Creature effected, Skill skill)
+	{
+		final PlayerInstance player = effected.getActingPlayer();
+		final Skill knownSkill = player.getKnownSkill(_replacementSkill.getSkillId());
+		if (knownSkill == null)
+		{
+			return;
+		}
+		
+		final Skill addedSkill = SkillData.getInstance().getSkill(_existingSkill.getSkillId(), _existingSkill.getSkillLevel() < 1 ? knownSkill.getLevel() : _existingSkill.getSkillLevel(), knownSkill.getSubLevel());
+		player.addSkill(addedSkill, false);
+		for (Shortcut shortcut : player.getAllShortCuts())
+		{
+			if ((shortcut.getType() == ShortcutType.SKILL) && (shortcut.getId() == knownSkill.getId()) && (shortcut.getLevel() == knownSkill.getLevel()))
+			{
+				final int slot = shortcut.getSlot();
+				final int page = shortcut.getPage();
+				final int characterType = shortcut.getCharacterType();
+				player.deleteShortCut(slot, page);
+				final Shortcut newShortcut = new Shortcut(slot, page, ShortcutType.SKILL, addedSkill.getId(), addedSkill.getLevel(), addedSkill.getSubLevel(), characterType);
+				player.registerShortCut(newShortcut);
+				player.sendPacket(new ShortCutRegister(newShortcut));
+			}
+		}
+		
+		player.removeSkill(knownSkill, false);
+		player.sendSkillList();
+		ThreadPool.schedule(() ->
+		{
+			player.sendPacket(new ShortCutInit(player));
+		}, 1100);
+	}
+}
diff --git a/L2J_Mobius_5.0_Salvation/dist/game/data/stats/skills/19400-19499.xml b/L2J_Mobius_5.0_Salvation/dist/game/data/stats/skills/19400-19499.xml
index a393fb2493..e1df78e775 100644
--- a/L2J_Mobius_5.0_Salvation/dist/game/data/stats/skills/19400-19499.xml
+++ b/L2J_Mobius_5.0_Salvation/dist/game/data/stats/skills/19400-19499.xml
@@ -1034,6 +1034,14 @@
 		<targetType>SELF</targetType>
 		<affectScope>SINGLE</affectScope>
 		<effects>
+			<effect name="ReplaceSkillBySkill">
+				<existingSkillId>11509</existingSkillId> <!-- Radiant Crash (Single)-->
+				<replacementSkillId>11513</replacementSkillId> <!-- Radiant Crash (AOE) -->
+			</effect>
+			<effect name="ReplaceSkillBySkill">
+				<existingSkillId>11510</existingSkillId> <!-- Resolving Bash (Single)-->
+				<replacementSkillId>11514</replacementSkillId> <!-- Resolving Bash (AOE) -->
+			</effect>
 			<effect name="PAtk">
 				<amount>
 					<value level="1">300</value>
diff --git a/L2J_Mobius_5.0_Salvation/dist/game/data/stats/skills/documentation.txt b/L2J_Mobius_5.0_Salvation/dist/game/data/stats/skills/documentation.txt
index c044f24971..7813f8768c 100644
--- a/L2J_Mobius_5.0_Salvation/dist/game/data/stats/skills/documentation.txt
+++ b/L2J_Mobius_5.0_Salvation/dist/game/data/stats/skills/documentation.txt
@@ -254,6 +254,7 @@ ReflectSkill: Deflects physical/magical debuffs back to the attacker.
 RefuelAirship: Increases Airship's fuel.
 Relax: Sits down and increases HP regeneration until full.
 RemoveEquipPenalty: Removes equipment grade penalty. Its the base effect for the grade penalty mechanics.
+ReplaceSkillBySkill: While active replaces a skill with an alternative skill. (l2jmobius)
 ResetInstanceEntry: Resets instance re-entry time. (l2jmobius)
 ResistAbnormalByCategory: Buff/debuff resist stat.
 ResistDDMagic: Magic resist stat (magic attack 50% effective or 1 damage)
diff --git a/L2J_Mobius_5.0_Salvation/dist/game/data/xsd/skills.xsd b/L2J_Mobius_5.0_Salvation/dist/game/data/xsd/skills.xsd
index 581a24af54..569340f596 100644
--- a/L2J_Mobius_5.0_Salvation/dist/game/data/xsd/skills.xsd
+++ b/L2J_Mobius_5.0_Salvation/dist/game/data/xsd/skills.xsd
@@ -2068,6 +2068,8 @@
 															</xs:element>
 															<xs:element name="existingSkillId" type="xs:unsignedShort" />
 															<xs:element name="existingSkillLevel" type="xs:unsignedByte" />
+															<xs:element name="replacementSkillId" type="xs:unsignedShort" />
+															<xs:element name="replacementSkillLevel" type="xs:unsignedByte" />
 															<xs:element name="addedSkillId" type="xs:unsignedShort" />
 															<xs:element name="addedSkillLevel" type="xs:unsignedByte" />
 															<xs:element name="skills" type="xs:string" />
diff --git a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/handlers/EffectMasterHandler.java b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/handlers/EffectMasterHandler.java
index cf771c12ce..fc94687daa 100644
--- a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/handlers/EffectMasterHandler.java
+++ b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/handlers/EffectMasterHandler.java
@@ -286,6 +286,7 @@ public final class EffectMasterHandler
 		EffectHandler.getInstance().registerHandler("RefuelAirship", RefuelAirship::new);
 		EffectHandler.getInstance().registerHandler("Relax", Relax::new);
 		EffectHandler.getInstance().registerHandler("RemoveEquipPenalty", RemoveEquipPenalty::new);
+		EffectHandler.getInstance().registerHandler("ReplaceSkillBySkill", ReplaceSkillBySkill::new);
 		EffectHandler.getInstance().registerHandler("ResetInstanceEntry", ResetInstanceEntry::new);
 		EffectHandler.getInstance().registerHandler("ResistAbnormalByCategory", ResistAbnormalByCategory::new);
 		EffectHandler.getInstance().registerHandler("ResistDDMagic", ResistDDMagic::new);
diff --git a/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/handlers/effecthandlers/ReplaceSkillBySkill.java b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/handlers/effecthandlers/ReplaceSkillBySkill.java
new file mode 100644
index 0000000000..8abc6f37a6
--- /dev/null
+++ b/L2J_Mobius_5.5_EtinasFate/dist/game/data/scripts/handlers/effecthandlers/ReplaceSkillBySkill.java
@@ -0,0 +1,117 @@
+/*
+ * 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 handlers.effecthandlers;
+
+import org.l2jmobius.commons.concurrent.ThreadPool;
+import org.l2jmobius.gameserver.data.xml.impl.SkillData;
+import org.l2jmobius.gameserver.enums.ShortcutType;
+import org.l2jmobius.gameserver.model.Shortcut;
+import org.l2jmobius.gameserver.model.StatsSet;
+import org.l2jmobius.gameserver.model.actor.Creature;
+import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.effects.AbstractEffect;
+import org.l2jmobius.gameserver.model.holders.SkillHolder;
+import org.l2jmobius.gameserver.model.items.instance.ItemInstance;
+import org.l2jmobius.gameserver.model.skills.Skill;
+import org.l2jmobius.gameserver.network.serverpackets.ShortCutInit;
+import org.l2jmobius.gameserver.network.serverpackets.ShortCutRegister;
+
+/**
+ * @author Mobius
+ */
+public class ReplaceSkillBySkill extends AbstractEffect
+{
+	private final SkillHolder _existingSkill;
+	private final SkillHolder _replacementSkill;
+	
+	public ReplaceSkillBySkill(StatsSet params)
+	{
+		_existingSkill = new SkillHolder(params.getInt("existingSkillId"), params.getInt("existingSkillLevel", -1));
+		_replacementSkill = new SkillHolder(params.getInt("replacementSkillId"), params.getInt("replacementSkillLevel", -1));
+	}
+	
+	@Override
+	public void onStart(Creature effector, Creature effected, Skill skill, ItemInstance item)
+	{
+		if (effected.isPlayer())
+		{
+			final PlayerInstance player = effected.getActingPlayer();
+			final Skill knownSkill = player.getKnownSkill(_existingSkill.getSkillId());
+			if ((knownSkill == null) || (knownSkill.getLevel() < _existingSkill.getSkillLevel()))
+			{
+				return;
+			}
+			
+			final Skill addedSkill = SkillData.getInstance().getSkill(_replacementSkill.getSkillId(), _replacementSkill.getSkillLevel() < 1 ? knownSkill.getLevel() : _replacementSkill.getSkillLevel(), knownSkill.getSubLevel());
+			player.addSkill(addedSkill, false);
+			for (Shortcut shortcut : player.getAllShortCuts())
+			{
+				if ((shortcut.getType() == ShortcutType.SKILL) && (shortcut.getId() == knownSkill.getId()) && (shortcut.getLevel() == knownSkill.getLevel()))
+				{
+					final int slot = shortcut.getSlot();
+					final int page = shortcut.getPage();
+					final int characterType = shortcut.getCharacterType();
+					player.deleteShortCut(slot, page);
+					final Shortcut newShortcut = new Shortcut(slot, page, ShortcutType.SKILL, addedSkill.getId(), addedSkill.getLevel(), addedSkill.getSubLevel(), characterType);
+					player.registerShortCut(newShortcut);
+					player.sendPacket(new ShortCutRegister(newShortcut));
+				}
+			}
+			
+			player.removeSkill(knownSkill, false);
+			player.sendSkillList();
+			ThreadPool.schedule(() ->
+			{
+				player.sendPacket(new ShortCutInit(player));
+			}, 1100);
+		}
+	}
+	
+	@Override
+	public void onExit(Creature effector, Creature effected, Skill skill)
+	{
+		final PlayerInstance player = effected.getActingPlayer();
+		final Skill knownSkill = player.getKnownSkill(_replacementSkill.getSkillId());
+		if (knownSkill == null)
+		{
+			return;
+		}
+		
+		final Skill addedSkill = SkillData.getInstance().getSkill(_existingSkill.getSkillId(), _existingSkill.getSkillLevel() < 1 ? knownSkill.getLevel() : _existingSkill.getSkillLevel(), knownSkill.getSubLevel());
+		player.addSkill(addedSkill, false);
+		for (Shortcut shortcut : player.getAllShortCuts())
+		{
+			if ((shortcut.getType() == ShortcutType.SKILL) && (shortcut.getId() == knownSkill.getId()) && (shortcut.getLevel() == knownSkill.getLevel()))
+			{
+				final int slot = shortcut.getSlot();
+				final int page = shortcut.getPage();
+				final int characterType = shortcut.getCharacterType();
+				player.deleteShortCut(slot, page);
+				final Shortcut newShortcut = new Shortcut(slot, page, ShortcutType.SKILL, addedSkill.getId(), addedSkill.getLevel(), addedSkill.getSubLevel(), characterType);
+				player.registerShortCut(newShortcut);
+				player.sendPacket(new ShortCutRegister(newShortcut));
+			}
+		}
+		
+		player.removeSkill(knownSkill, false);
+		player.sendSkillList();
+		ThreadPool.schedule(() ->
+		{
+			player.sendPacket(new ShortCutInit(player));
+		}, 1100);
+	}
+}
diff --git a/L2J_Mobius_5.5_EtinasFate/dist/game/data/stats/skills/11500-11599.xml b/L2J_Mobius_5.5_EtinasFate/dist/game/data/stats/skills/11500-11599.xml
index 51dc017561..e8d757a44f 100644
--- a/L2J_Mobius_5.5_EtinasFate/dist/game/data/stats/skills/11500-11599.xml
+++ b/L2J_Mobius_5.5_EtinasFate/dist/game/data/stats/skills/11500-11599.xml
@@ -389,15 +389,15 @@
 			</effect>
 		</effects>
 	</skill>
-	<skill id="11508" toLevel="9" name="Assault Rush">
+	<skill id="11508" toLevel="11" name="Assault Rush">
 		<icon>icon.skill11513</icon>
 		<abnormalLvl>1</abnormalLvl>
 		<abnormalTime>3</abnormalTime>
 		<abnormalType>STUN</abnormalType>
 		<abnormalVisualEffect>STUN</abnormalVisualEffect>
 		<activateRate>
-			<value fromLevel="1" toLevel="9">150</value>
-			<value fromLevel="5" toLevel="9" fromSubLevel="1001" toSubLevel="1020">{base + base / 100 * subIndex}</value>
+			<value fromLevel="1" toLevel="11">150</value>
+			<value fromLevel="5" toLevel="11" fromSubLevel="1001" toSubLevel="1020">{base + (base / 100 * subIndex)}</value>
 		</activateRate>
 		<basicProperty>NONE</basicProperty>
 		<nextAction>ATTACK</nextAction>
@@ -413,10 +413,12 @@
 			<value level="7">49</value>
 			<value level="8">51</value>
 			<value level="9">53</value>
+			<value level="10">55</value>
+			<value level="11">57</value>
 		</mpConsume>
 		<castRange>
-			<value fromLevel="1" toLevel="9">600</value>
-			<value fromLevel="5" toLevel="9" fromSubLevel="2001" toSubLevel="2020">{base + 10 * subIndex}</value>
+			<value fromLevel="1" toLevel="11">600</value>
+			<value fromLevel="5" toLevel="11" fromSubLevel="2001" toSubLevel="2020">{base + (10 * subIndex)}</value>
 		</castRange>
 		<hitTime>800</hitTime>
 		<coolTime>200</coolTime>
@@ -432,6 +434,8 @@
 			<value level="7">-712</value>
 			<value level="8">-712</value>
 			<value level="9">-712</value>
+			<value level="10">-712</value>
+			<value level="11">-712</value>
 		</effectPoint>
 		<magicCriticalRate>5</magicCriticalRate>
 		<effectRange>800</effectRange>
@@ -445,6 +449,8 @@
 			<value level="7">101</value>
 			<value level="8">102</value>
 			<value level="9">105</value>
+			<value level="10">107</value>
+			<value level="11">109</value>
 		</magicLvl>
 		<trait>SHOCK</trait>
 		<targetType>ENEMY</targetType>
@@ -460,8 +466,8 @@
 			</condition>
 			<condition name="OpCheckCastRange">
 				<distance>
-					<value fromLevel="1" toLevel="9">200</value>
-					<value fromLevel="5" toLevel="9" fromSubLevel="3001" toSubLevel="3020">{base - (3 * subIndex)}</value>
+					<value fromLevel="1" toLevel="11">200</value>
+					<value fromLevel="5" toLevel="11" fromSubLevel="3001" toSubLevel="3020">{base - (3 * subIndex)}</value>
 				</distance>
 			</condition>
 		</conditions>
diff --git a/L2J_Mobius_5.5_EtinasFate/dist/game/data/stats/skills/19400-19499.xml b/L2J_Mobius_5.5_EtinasFate/dist/game/data/stats/skills/19400-19499.xml
index 43ea37bef3..ed965a1244 100644
--- a/L2J_Mobius_5.5_EtinasFate/dist/game/data/stats/skills/19400-19499.xml
+++ b/L2J_Mobius_5.5_EtinasFate/dist/game/data/stats/skills/19400-19499.xml
@@ -1038,6 +1038,14 @@
 		<targetType>SELF</targetType>
 		<affectScope>SINGLE</affectScope>
 		<effects>
+			<effect name="ReplaceSkillBySkill">
+				<existingSkillId>11509</existingSkillId> <!-- Radiant Crash (Single)-->
+				<replacementSkillId>11513</replacementSkillId> <!-- Radiant Crash (AOE) -->
+			</effect>
+			<effect name="ReplaceSkillBySkill">
+				<existingSkillId>11510</existingSkillId> <!-- Resolving Bash (Single)-->
+				<replacementSkillId>11514</replacementSkillId> <!-- Resolving Bash (AOE) -->
+			</effect>
 			<effect name="PAtk">
 				<amount>
 					<value level="1">300</value>
diff --git a/L2J_Mobius_5.5_EtinasFate/dist/game/data/stats/skills/documentation.txt b/L2J_Mobius_5.5_EtinasFate/dist/game/data/stats/skills/documentation.txt
index 01f2f0bf2d..68296e7795 100644
--- a/L2J_Mobius_5.5_EtinasFate/dist/game/data/stats/skills/documentation.txt
+++ b/L2J_Mobius_5.5_EtinasFate/dist/game/data/stats/skills/documentation.txt
@@ -255,6 +255,7 @@ ReflectSkill: Deflects physical/magical debuffs back to the attacker.
 RefuelAirship: Increases Airship's fuel.
 Relax: Sits down and increases HP regeneration until full.
 RemoveEquipPenalty: Removes equipment grade penalty. Its the base effect for the grade penalty mechanics.
+ReplaceSkillBySkill: While active replaces a skill with an alternative skill. (l2jmobius)
 ResetInstanceEntry: Resets instance re-entry time. (l2jmobius)
 ResistAbnormalByCategory: Buff/debuff resist stat.
 ResistDDMagic: Magic resist stat (magic attack 50% effective or 1 damage)
diff --git a/L2J_Mobius_5.5_EtinasFate/dist/game/data/xsd/skills.xsd b/L2J_Mobius_5.5_EtinasFate/dist/game/data/xsd/skills.xsd
index 581a24af54..569340f596 100644
--- a/L2J_Mobius_5.5_EtinasFate/dist/game/data/xsd/skills.xsd
+++ b/L2J_Mobius_5.5_EtinasFate/dist/game/data/xsd/skills.xsd
@@ -2068,6 +2068,8 @@
 															</xs:element>
 															<xs:element name="existingSkillId" type="xs:unsignedShort" />
 															<xs:element name="existingSkillLevel" type="xs:unsignedByte" />
+															<xs:element name="replacementSkillId" type="xs:unsignedShort" />
+															<xs:element name="replacementSkillLevel" type="xs:unsignedByte" />
 															<xs:element name="addedSkillId" type="xs:unsignedShort" />
 															<xs:element name="addedSkillLevel" type="xs:unsignedByte" />
 															<xs:element name="skills" type="xs:string" />
diff --git a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/handlers/EffectMasterHandler.java b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/handlers/EffectMasterHandler.java
index cf771c12ce..fc94687daa 100644
--- a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/handlers/EffectMasterHandler.java
+++ b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/handlers/EffectMasterHandler.java
@@ -286,6 +286,7 @@ public final class EffectMasterHandler
 		EffectHandler.getInstance().registerHandler("RefuelAirship", RefuelAirship::new);
 		EffectHandler.getInstance().registerHandler("Relax", Relax::new);
 		EffectHandler.getInstance().registerHandler("RemoveEquipPenalty", RemoveEquipPenalty::new);
+		EffectHandler.getInstance().registerHandler("ReplaceSkillBySkill", ReplaceSkillBySkill::new);
 		EffectHandler.getInstance().registerHandler("ResetInstanceEntry", ResetInstanceEntry::new);
 		EffectHandler.getInstance().registerHandler("ResistAbnormalByCategory", ResistAbnormalByCategory::new);
 		EffectHandler.getInstance().registerHandler("ResistDDMagic", ResistDDMagic::new);
diff --git a/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/handlers/effecthandlers/ReplaceSkillBySkill.java b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/handlers/effecthandlers/ReplaceSkillBySkill.java
new file mode 100644
index 0000000000..8abc6f37a6
--- /dev/null
+++ b/L2J_Mobius_6.0_Fafurion/dist/game/data/scripts/handlers/effecthandlers/ReplaceSkillBySkill.java
@@ -0,0 +1,117 @@
+/*
+ * 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 handlers.effecthandlers;
+
+import org.l2jmobius.commons.concurrent.ThreadPool;
+import org.l2jmobius.gameserver.data.xml.impl.SkillData;
+import org.l2jmobius.gameserver.enums.ShortcutType;
+import org.l2jmobius.gameserver.model.Shortcut;
+import org.l2jmobius.gameserver.model.StatsSet;
+import org.l2jmobius.gameserver.model.actor.Creature;
+import org.l2jmobius.gameserver.model.actor.instance.PlayerInstance;
+import org.l2jmobius.gameserver.model.effects.AbstractEffect;
+import org.l2jmobius.gameserver.model.holders.SkillHolder;
+import org.l2jmobius.gameserver.model.items.instance.ItemInstance;
+import org.l2jmobius.gameserver.model.skills.Skill;
+import org.l2jmobius.gameserver.network.serverpackets.ShortCutInit;
+import org.l2jmobius.gameserver.network.serverpackets.ShortCutRegister;
+
+/**
+ * @author Mobius
+ */
+public class ReplaceSkillBySkill extends AbstractEffect
+{
+	private final SkillHolder _existingSkill;
+	private final SkillHolder _replacementSkill;
+	
+	public ReplaceSkillBySkill(StatsSet params)
+	{
+		_existingSkill = new SkillHolder(params.getInt("existingSkillId"), params.getInt("existingSkillLevel", -1));
+		_replacementSkill = new SkillHolder(params.getInt("replacementSkillId"), params.getInt("replacementSkillLevel", -1));
+	}
+	
+	@Override
+	public void onStart(Creature effector, Creature effected, Skill skill, ItemInstance item)
+	{
+		if (effected.isPlayer())
+		{
+			final PlayerInstance player = effected.getActingPlayer();
+			final Skill knownSkill = player.getKnownSkill(_existingSkill.getSkillId());
+			if ((knownSkill == null) || (knownSkill.getLevel() < _existingSkill.getSkillLevel()))
+			{
+				return;
+			}
+			
+			final Skill addedSkill = SkillData.getInstance().getSkill(_replacementSkill.getSkillId(), _replacementSkill.getSkillLevel() < 1 ? knownSkill.getLevel() : _replacementSkill.getSkillLevel(), knownSkill.getSubLevel());
+			player.addSkill(addedSkill, false);
+			for (Shortcut shortcut : player.getAllShortCuts())
+			{
+				if ((shortcut.getType() == ShortcutType.SKILL) && (shortcut.getId() == knownSkill.getId()) && (shortcut.getLevel() == knownSkill.getLevel()))
+				{
+					final int slot = shortcut.getSlot();
+					final int page = shortcut.getPage();
+					final int characterType = shortcut.getCharacterType();
+					player.deleteShortCut(slot, page);
+					final Shortcut newShortcut = new Shortcut(slot, page, ShortcutType.SKILL, addedSkill.getId(), addedSkill.getLevel(), addedSkill.getSubLevel(), characterType);
+					player.registerShortCut(newShortcut);
+					player.sendPacket(new ShortCutRegister(newShortcut));
+				}
+			}
+			
+			player.removeSkill(knownSkill, false);
+			player.sendSkillList();
+			ThreadPool.schedule(() ->
+			{
+				player.sendPacket(new ShortCutInit(player));
+			}, 1100);
+		}
+	}
+	
+	@Override
+	public void onExit(Creature effector, Creature effected, Skill skill)
+	{
+		final PlayerInstance player = effected.getActingPlayer();
+		final Skill knownSkill = player.getKnownSkill(_replacementSkill.getSkillId());
+		if (knownSkill == null)
+		{
+			return;
+		}
+		
+		final Skill addedSkill = SkillData.getInstance().getSkill(_existingSkill.getSkillId(), _existingSkill.getSkillLevel() < 1 ? knownSkill.getLevel() : _existingSkill.getSkillLevel(), knownSkill.getSubLevel());
+		player.addSkill(addedSkill, false);
+		for (Shortcut shortcut : player.getAllShortCuts())
+		{
+			if ((shortcut.getType() == ShortcutType.SKILL) && (shortcut.getId() == knownSkill.getId()) && (shortcut.getLevel() == knownSkill.getLevel()))
+			{
+				final int slot = shortcut.getSlot();
+				final int page = shortcut.getPage();
+				final int characterType = shortcut.getCharacterType();
+				player.deleteShortCut(slot, page);
+				final Shortcut newShortcut = new Shortcut(slot, page, ShortcutType.SKILL, addedSkill.getId(), addedSkill.getLevel(), addedSkill.getSubLevel(), characterType);
+				player.registerShortCut(newShortcut);
+				player.sendPacket(new ShortCutRegister(newShortcut));
+			}
+		}
+		
+		player.removeSkill(knownSkill, false);
+		player.sendSkillList();
+		ThreadPool.schedule(() ->
+		{
+			player.sendPacket(new ShortCutInit(player));
+		}, 1100);
+	}
+}
diff --git a/L2J_Mobius_6.0_Fafurion/dist/game/data/stats/skills/11500-11599.xml b/L2J_Mobius_6.0_Fafurion/dist/game/data/stats/skills/11500-11599.xml
index ba39afa479..181145b733 100644
--- a/L2J_Mobius_6.0_Fafurion/dist/game/data/stats/skills/11500-11599.xml
+++ b/L2J_Mobius_6.0_Fafurion/dist/game/data/stats/skills/11500-11599.xml
@@ -883,15 +883,15 @@
 			</effect>
 		</effects>
 	</skill>
-	<skill id="11513" toLevel="11" name="Radiant Crash">
+	<skill id="11513" toLevel="13" name="Radiant Crash">
 		<!-- Attacks target and nearby enemies with $s1 Power added to P. Atk. for $s2, target's P./ M. Def. -$s3. Requires a sword/ blunt/ dual sword/ dual blunt to be equipped. Over-hit. Critical. -->
 		<icon>icon.skill11514</icon>
 		<abnormalLvl>5</abnormalLvl>
 		<abnormalTime>20</abnormalTime>
 		<abnormalType>ULTIMATE_DEBUFF</abnormalType>
 		<activateRate>
-			<value fromLevel="1" toLevel="11">99</value>
-			<value fromLevel="7" toLevel="11" fromSubLevel="1001" toSubLevel="1020">{base + (base / 100 * subIndex)}</value>
+			<value fromLevel="1" toLevel="13">99</value>
+			<value fromLevel="7" toLevel="13" fromSubLevel="1001" toSubLevel="1020">{base + (base / 100 * subIndex)}</value>
 		</activateRate>
 		<affectLimit>5-12</affectLimit>
 		<affectRange>200</affectRange>
@@ -910,6 +910,8 @@
 			<value level="9">101</value>
 			<value level="10">103</value>
 			<value level="11">105</value>
+			<value level="12">107</value>
+			<value level="13">109</value>
 		</magicLvl>
 		<mpConsume>
 			<value level="1">130</value>
@@ -923,6 +925,8 @@
 			<value level="9">164</value>
 			<value level="10">168</value>
 			<value level="11">172</value>
+			<value level="12">176</value>
+			<value level="13">180</value>
 		</mpConsume>
 		<nextAction>ATTACK</nextAction>
 		<operateType>A2</operateType>
@@ -939,6 +943,8 @@
 			<value level="9">-712</value>
 			<value level="10">-712</value>
 			<value level="11">-712</value>
+			<value level="12">-712</value>
+			<value level="13">-712</value>
 		</effectPoint>
 		<basicProperty>NONE</basicProperty>
 		<magicCriticalRate>5</magicCriticalRate>
@@ -971,13 +977,15 @@
 					<value level="9">19113</value>
 					<value level="10">20045</value>
 					<value level="11">20977</value>
-					<value fromLevel="7" toLevel="11" fromSubLevel="1001" toSubLevel="1020">{base + (base / 100 * subIndex)}</value>
+					<value level="12">21964</value>
+					<value level="13">22952</value>
+					<value fromLevel="7" toLevel="13" fromSubLevel="1001" toSubLevel="1020">{base + (base / 100 * subIndex)}</value>
 				</power>
 				<overHit>true</overHit>
 				<criticalChance>5</criticalChance>
 				<pDefMod>
-					<value fromLevel="1" toLevel="11">1</value>
-					<value fromLevel="7" toLevel="11" fromSubLevel="3001" toSubLevel="3020">{0.99 - 0.006 * (subIndex - 1)}</value>
+					<value fromLevel="1" toLevel="13">1</value>
+					<value fromLevel="7" toLevel="13" fromSubLevel="3001" toSubLevel="3020">{0.99 - 0.006 * (subIndex - 1)}</value>
 				</pDefMod>
 			</effect>
 			<effect name="MagicalDefence">
@@ -1001,15 +1009,15 @@
 			</effect>
 		</selfEffects>
 	</skill>
-	<skill id="11514" toLevel="11" name="Resolving Bash">
+	<skill id="11514" toLevel="13" name="Resolving Bash">
 		<!-- Attacks target and nearby enemies with $s1 Power added to P. Atk. For $s2, P./ M. Atk. -$s3. Requires a sword/ blunt/ dual sword/ dual blunt to be equipped. Over-hit. Critical. -->
 		<icon>icon.skill11509</icon>
 		<abnormalLvl>5</abnormalLvl>
 		<abnormalTime>20</abnormalTime>
 		<abnormalType>CRITICAL_PROB_DOWN</abnormalType>
 		<activateRate>
-			<value fromLevel="1" toLevel="11">99</value>
-			<value fromLevel="7" toLevel="11" fromSubLevel="1001" toSubLevel="1020">{base + (base / 100 * subIndex)}</value>
+			<value fromLevel="1" toLevel="13">99</value>
+			<value fromLevel="7" toLevel="13" fromSubLevel="1001" toSubLevel="1020">{base + (base / 100 * subIndex)}</value>
 		</activateRate>
 		<affectLimit>5-12</affectLimit>
 		<affectRange>200</affectRange>
@@ -1028,6 +1036,8 @@
 			<value level="9">101</value>
 			<value level="10">103</value>
 			<value level="11">105</value>
+			<value level="12">107</value>
+			<value level="13">109</value>
 		</magicLvl>
 		<mpConsume>
 			<value level="1">146</value>
@@ -1041,6 +1051,8 @@
 			<value level="9">188</value>
 			<value level="10">194</value>
 			<value level="11">200</value>
+			<value level="12">204</value>
+			<value level="13">208</value>
 		</mpConsume>
 		<nextAction>ATTACK</nextAction>
 		<operateType>A2</operateType>
@@ -1057,6 +1069,8 @@
 			<value level="9">-712</value>
 			<value level="10">-712</value>
 			<value level="11">-712</value>
+			<value level="12">-712</value>
+			<value level="13">-712</value>
 		</effectPoint>
 		<basicProperty>NONE</basicProperty>
 		<magicCriticalRate>5</magicCriticalRate>
@@ -1089,13 +1103,15 @@
 					<value level="9">21340</value>
 					<value level="10">22380</value>
 					<value level="11">23420</value>
-					<value fromLevel="7" toLevel="11" fromSubLevel="1001" toSubLevel="1020">{base + (base / 100 * subIndex)}</value>
+					<value level="12">24522</value>
+					<value level="13">25624</value>
+					<value fromLevel="7" toLevel="13" fromSubLevel="1001" toSubLevel="1020">{base + (base / 100 * subIndex)}</value>
 				</power>
 				<overHit>true</overHit>
 				<criticalChance>5</criticalChance>
 				<pDefMod>
-					<value fromLevel="1" toLevel="11">1</value>
-					<value fromLevel="7" toLevel="11" fromSubLevel="3001" toSubLevel="3020">{0.99 - 0.006 * (subIndex - 1)}</value>
+					<value fromLevel="1" toLevel="13">1</value>
+					<value fromLevel="7" toLevel="13" fromSubLevel="3001" toSubLevel="3020">{0.99 - 0.006 * (subIndex - 1)}</value>
 				</pDefMod>
 			</effect>
 			<effect name="PAtk">
diff --git a/L2J_Mobius_6.0_Fafurion/dist/game/data/stats/skills/19400-19499.xml b/L2J_Mobius_6.0_Fafurion/dist/game/data/stats/skills/19400-19499.xml
index 41b766e727..0450f090df 100644
--- a/L2J_Mobius_6.0_Fafurion/dist/game/data/stats/skills/19400-19499.xml
+++ b/L2J_Mobius_6.0_Fafurion/dist/game/data/stats/skills/19400-19499.xml
@@ -1058,6 +1058,14 @@
 		<targetType>SELF</targetType>
 		<affectScope>SINGLE</affectScope>
 		<effects>
+			<effect name="ReplaceSkillBySkill">
+				<existingSkillId>11509</existingSkillId> <!-- Radiant Crash (Single)-->
+				<replacementSkillId>11513</replacementSkillId> <!-- Radiant Crash (AOE) -->
+			</effect>
+			<effect name="ReplaceSkillBySkill">
+				<existingSkillId>11510</existingSkillId> <!-- Resolving Bash (Single)-->
+				<replacementSkillId>11514</replacementSkillId> <!-- Resolving Bash (AOE) -->
+			</effect>
 			<effect name="PAtk">
 				<amount>
 					<value level="1">300</value>
diff --git a/L2J_Mobius_6.0_Fafurion/dist/game/data/stats/skills/documentation.txt b/L2J_Mobius_6.0_Fafurion/dist/game/data/stats/skills/documentation.txt
index 01f2f0bf2d..68296e7795 100644
--- a/L2J_Mobius_6.0_Fafurion/dist/game/data/stats/skills/documentation.txt
+++ b/L2J_Mobius_6.0_Fafurion/dist/game/data/stats/skills/documentation.txt
@@ -255,6 +255,7 @@ ReflectSkill: Deflects physical/magical debuffs back to the attacker.
 RefuelAirship: Increases Airship's fuel.
 Relax: Sits down and increases HP regeneration until full.
 RemoveEquipPenalty: Removes equipment grade penalty. Its the base effect for the grade penalty mechanics.
+ReplaceSkillBySkill: While active replaces a skill with an alternative skill. (l2jmobius)
 ResetInstanceEntry: Resets instance re-entry time. (l2jmobius)
 ResistAbnormalByCategory: Buff/debuff resist stat.
 ResistDDMagic: Magic resist stat (magic attack 50% effective or 1 damage)
diff --git a/L2J_Mobius_6.0_Fafurion/dist/game/data/xsd/skills.xsd b/L2J_Mobius_6.0_Fafurion/dist/game/data/xsd/skills.xsd
index 581a24af54..569340f596 100644
--- a/L2J_Mobius_6.0_Fafurion/dist/game/data/xsd/skills.xsd
+++ b/L2J_Mobius_6.0_Fafurion/dist/game/data/xsd/skills.xsd
@@ -2068,6 +2068,8 @@
 															</xs:element>
 															<xs:element name="existingSkillId" type="xs:unsignedShort" />
 															<xs:element name="existingSkillLevel" type="xs:unsignedByte" />
+															<xs:element name="replacementSkillId" type="xs:unsignedShort" />
+															<xs:element name="replacementSkillLevel" type="xs:unsignedByte" />
 															<xs:element name="addedSkillId" type="xs:unsignedShort" />
 															<xs:element name="addedSkillLevel" type="xs:unsignedByte" />
 															<xs:element name="skills" type="xs:string" />