diff --git a/L2J_Mobius_1.0_Ertheia/dist/game/data/stats/skills/01500-01599.xml b/L2J_Mobius_1.0_Ertheia/dist/game/data/stats/skills/01500-01599.xml
index d6aa350c10..90ebea30d3 100644
--- a/L2J_Mobius_1.0_Ertheia/dist/game/data/stats/skills/01500-01599.xml
+++ b/L2J_Mobius_1.0_Ertheia/dist/game/data/stats/skills/01500-01599.xml
@@ -3934,6 +3934,7 @@
 		<reuseDelayGroup>1566</reuseDelayGroup>
 		<targetType>SELF</targetType>
 		<affectScope>SINGLE</affectScope>
+		<displayInList>false</displayInList>
 		<conditions>
 			<condition name="OpEncumbered">
 				<weightPercent>10</weightPercent>
@@ -3966,6 +3967,7 @@
 		<reuseDelayGroup>1566</reuseDelayGroup>
 		<targetType>SELF</targetType>
 		<affectScope>SINGLE</affectScope>
+		<displayInList>false</displayInList>
 		<conditions>
 			<condition name="OpEncumbered">
 				<weightPercent>10</weightPercent>
@@ -3998,6 +4000,7 @@
 		<reuseDelayGroup>1566</reuseDelayGroup>
 		<targetType>SELF</targetType>
 		<affectScope>SINGLE</affectScope>
+		<displayInList>false</displayInList>
 		<conditions>
 			<condition name="OpEncumbered">
 				<weightPercent>10</weightPercent>
@@ -4030,6 +4033,7 @@
 		<reuseDelayGroup>1566</reuseDelayGroup>
 		<targetType>SELF</targetType>
 		<affectScope>SINGLE</affectScope>
+		<displayInList>false</displayInList>
 		<conditions>
 			<condition name="OpEncumbered">
 				<weightPercent>10</weightPercent>
diff --git a/L2J_Mobius_1.0_Ertheia/dist/game/data/stats/skills/17900-17999.xml b/L2J_Mobius_1.0_Ertheia/dist/game/data/stats/skills/17900-17999.xml
index 6a454c3569..212c8dc6e1 100644
--- a/L2J_Mobius_1.0_Ertheia/dist/game/data/stats/skills/17900-17999.xml
+++ b/L2J_Mobius_1.0_Ertheia/dist/game/data/stats/skills/17900-17999.xml
@@ -698,6 +698,7 @@
 			<value level="2">icon.alchemy_mix_cube</value>
 		</icon>
 		<operateType>P</operateType>
+		<displayInList>false</displayInList>
 	</skill>
 	<skill id="17944" toLevel="1" name="Scroll of Escape: Talking Island Village">
 		<!-- AUTO GENERATED SKILL -->
diff --git a/L2J_Mobius_1.0_Ertheia/dist/game/data/xsd/skills.xsd b/L2J_Mobius_1.0_Ertheia/dist/game/data/xsd/skills.xsd
index 1b23dc184e..e532360239 100644
--- a/L2J_Mobius_1.0_Ertheia/dist/game/data/xsd/skills.xsd
+++ b/L2J_Mobius_1.0_Ertheia/dist/game/data/xsd/skills.xsd
@@ -2348,9 +2348,6 @@
 								<xs:element name="effect">
 									<xs:complexType>
 										<xs:sequence>
-											<xs:element minOccurs="0" name="ON_MAGIC_SKILL" />
-											<xs:element minOccurs="0" name="ON_CRITICAL_SKILL" />
-											<xs:element minOccurs="0" name="ON_EQUIP" />
 											<xs:element minOccurs="0" name="slot" type="xs:string" />
 											<xs:element minOccurs="0" name="rate" type="xs:unsignedByte" />
 											<xs:element minOccurs="0" name="max" type="xs:unsignedByte" />
@@ -2642,6 +2639,7 @@
 								<xs:element name="isSharedWithSummon" type="xs:boolean" />
 								<xs:element name="halfKillRate" type="xs:unsignedByte" />
 								<xs:element name="reuseDelayGroup" type="xs:unsignedShort" />
+								<xs:element name="displayInList" type="xs:boolean" />
 								<xs:element name="isSuicideAttack" type="xs:boolean" />
 								<xs:element name="toggleGroupId" type="xs:unsignedByte" />
 								<xs:element name="abnormallVL" type="xs:unsignedByte" />
diff --git a/L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/data/xml/impl/SkillTreesData.java b/L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/data/xml/impl/SkillTreesData.java
index 884e4273b4..cceede352d 100644
--- a/L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/data/xml/impl/SkillTreesData.java
+++ b/L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/data/xml/impl/SkillTreesData.java
@@ -1695,12 +1695,6 @@ public final class SkillTreesData implements IGameXmlReader
 			return true;
 		}
 		
-		// Exclude Revelation Skills from this check.
-		if (getRevelationSkill(player.isDualClassActive() ? SubclassType.DUALCLASS : SubclassType.BASECLASS, skill.getId(), Math.min(skill.getLevel(), maxLvl)) != null)
-		{
-			return true;
-		}
-		
 		return false;
 	}
 	
diff --git a/L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java b/L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java
index 3025ee16b0..cb661c272f 100644
--- a/L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java
+++ b/L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java
@@ -11705,6 +11705,34 @@ public final class L2PcInstance extends L2Playable
 				{
 					// Include transformation skills and those skills that are allowed during transformation.
 					currentSkills = currentSkills.stream().filter(Skill::allowOnTransform).collect(Collectors.toList());
+					
+					// Revelation skills.
+					if (isDualClassActive())
+					{
+						int revelationSkill = getVariables().getInt(PlayerVariables.REVELATION_SKILL_1_DUAL_CLASS, 0);
+						if (revelationSkill != 0)
+						{
+							addSkill(SkillData.getInstance().getSkill(revelationSkill, 1), false);
+						}
+						revelationSkill = getVariables().getInt(PlayerVariables.REVELATION_SKILL_2_DUAL_CLASS, 0);
+						if (revelationSkill != 0)
+						{
+							addSkill(SkillData.getInstance().getSkill(revelationSkill, 1), false);
+						}
+					}
+					else if (!isSubClassActive())
+					{
+						int revelationSkill = getVariables().getInt(PlayerVariables.REVELATION_SKILL_1_MAIN_CLASS, 0);
+						if (revelationSkill != 0)
+						{
+							addSkill(SkillData.getInstance().getSkill(revelationSkill, 1), false);
+						}
+						revelationSkill = getVariables().getInt(PlayerVariables.REVELATION_SKILL_2_MAIN_CLASS, 0);
+						if (revelationSkill != 0)
+						{
+							addSkill(SkillData.getInstance().getSkill(revelationSkill, 1), false);
+						}
+					}
 				}
 				// Include transformation skills.
 				currentSkills.addAll(transformSkills.values());
@@ -11716,6 +11744,7 @@ public final class L2PcInstance extends L2Playable
 							.filter(Objects::nonNull)
 							.filter(s -> !s.isBlockActionUseSkill()) // Skills that are blocked from player use are not shown in skill list.
 							.filter(s -> !SkillTreesData.getInstance().isAlchemySkill(s.getId(), s.getLevel()))
+							.filter(s -> s.isDisplayInList())
 							.collect(Collectors.toList());
 		//@formatter:on
 	}
diff --git a/L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/model/skills/Skill.java b/L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/model/skills/Skill.java
index 8e4641502a..6148235551 100644
--- a/L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/model/skills/Skill.java
+++ b/L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/model/skills/Skill.java
@@ -209,6 +209,7 @@ public final class Skill implements IIdentifiable
 	
 	private final double _magicCriticalRate;
 	private final SkillBuffType _buffType;
+	private final boolean _displayInList;
 	
 	public Skill(StatsSet set)
 	{
@@ -441,6 +442,7 @@ public final class Skill implements IIdentifiable
 		
 		_magicCriticalRate = set.getDouble("magicCriticalRate", 0);
 		_buffType = isTriggeredSkill() ? SkillBuffType.TRIGGER : isToggle() ? SkillBuffType.TOGGLE : isDance() ? SkillBuffType.DANCE : isDebuff() ? SkillBuffType.DEBUFF : !isHealingPotionSkill() ? SkillBuffType.BUFF : SkillBuffType.NONE;
+		_displayInList = set.getBoolean("displayInList", true);
 	}
 	
 	public TraitType getTraitType()
@@ -1805,6 +1807,11 @@ public final class Skill implements IIdentifiable
 		return _irreplacableBuff;
 	}
 	
+	public boolean isDisplayInList()
+	{
+		return _displayInList;
+	}
+	
 	/**
 	 * @return if skill could not be requested for use by players.
 	 */
diff --git a/L2J_Mobius_2.5_Underground/dist/game/data/stats/skills/01500-01599.xml b/L2J_Mobius_2.5_Underground/dist/game/data/stats/skills/01500-01599.xml
index 76dc79ce4f..5d8e4957dd 100644
--- a/L2J_Mobius_2.5_Underground/dist/game/data/stats/skills/01500-01599.xml
+++ b/L2J_Mobius_2.5_Underground/dist/game/data/stats/skills/01500-01599.xml
@@ -3934,6 +3934,7 @@
 		<reuseDelayGroup>1566</reuseDelayGroup>
 		<targetType>SELF</targetType>
 		<affectScope>SINGLE</affectScope>
+		<displayInList>false</displayInList>
 		<conditions>
 			<condition name="OpEncumbered">
 				<weightPercent>10</weightPercent>
@@ -3966,6 +3967,7 @@
 		<reuseDelayGroup>1566</reuseDelayGroup>
 		<targetType>SELF</targetType>
 		<affectScope>SINGLE</affectScope>
+		<displayInList>false</displayInList>
 		<conditions>
 			<condition name="OpEncumbered">
 				<weightPercent>10</weightPercent>
@@ -3998,6 +4000,7 @@
 		<reuseDelayGroup>1566</reuseDelayGroup>
 		<targetType>SELF</targetType>
 		<affectScope>SINGLE</affectScope>
+		<displayInList>false</displayInList>
 		<conditions>
 			<condition name="OpEncumbered">
 				<weightPercent>10</weightPercent>
@@ -4030,6 +4033,7 @@
 		<reuseDelayGroup>1566</reuseDelayGroup>
 		<targetType>SELF</targetType>
 		<affectScope>SINGLE</affectScope>
+		<displayInList>false</displayInList>
 		<conditions>
 			<condition name="OpEncumbered">
 				<weightPercent>10</weightPercent>
diff --git a/L2J_Mobius_2.5_Underground/dist/game/data/stats/skills/17900-17999.xml b/L2J_Mobius_2.5_Underground/dist/game/data/stats/skills/17900-17999.xml
index 5f59f5bbbd..a41daa6f08 100644
--- a/L2J_Mobius_2.5_Underground/dist/game/data/stats/skills/17900-17999.xml
+++ b/L2J_Mobius_2.5_Underground/dist/game/data/stats/skills/17900-17999.xml
@@ -698,6 +698,7 @@
 			<value level="2">icon.alchemy_mix_cube</value>
 		</icon>
 		<operateType>P</operateType>
+		<displayInList>false</displayInList>
 	</skill>
 	<skill id="17944" toLevel="1" name="Scroll of Escape: Talking Island Village">
 		<!-- AUTO GENERATED SKILL -->
diff --git a/L2J_Mobius_2.5_Underground/dist/game/data/xsd/skills.xsd b/L2J_Mobius_2.5_Underground/dist/game/data/xsd/skills.xsd
index c70b99f334..71287d5743 100644
--- a/L2J_Mobius_2.5_Underground/dist/game/data/xsd/skills.xsd
+++ b/L2J_Mobius_2.5_Underground/dist/game/data/xsd/skills.xsd
@@ -2471,9 +2471,6 @@
 								<xs:element name="effect">
 									<xs:complexType>
 										<xs:sequence>
-											<xs:element minOccurs="0" name="ON_MAGIC_SKILL" />
-											<xs:element minOccurs="0" name="ON_CRITICAL_SKILL" />
-											<xs:element minOccurs="0" name="ON_EQUIP" />
 											<xs:element minOccurs="0" name="slot" type="xs:string" />
 											<xs:element minOccurs="0" name="rate" type="xs:unsignedByte" />
 											<xs:element minOccurs="0" name="max" type="xs:unsignedByte" />
@@ -2765,6 +2762,7 @@
 								<xs:element name="isSharedWithSummon" type="xs:boolean" />
 								<xs:element name="halfKillRate" type="xs:unsignedByte" />
 								<xs:element name="reuseDelayGroup" type="xs:unsignedShort" />
+								<xs:element name="displayInList" type="xs:boolean" />
 								<xs:element name="isSuicideAttack" type="xs:boolean" />
 								<xs:element name="toggleGroupId" type="xs:unsignedByte" />
 								<xs:element name="abnormallVL" type="xs:unsignedByte" />
diff --git a/L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/data/xml/impl/SkillTreesData.java b/L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/data/xml/impl/SkillTreesData.java
index 884e4273b4..cceede352d 100644
--- a/L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/data/xml/impl/SkillTreesData.java
+++ b/L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/data/xml/impl/SkillTreesData.java
@@ -1695,12 +1695,6 @@ public final class SkillTreesData implements IGameXmlReader
 			return true;
 		}
 		
-		// Exclude Revelation Skills from this check.
-		if (getRevelationSkill(player.isDualClassActive() ? SubclassType.DUALCLASS : SubclassType.BASECLASS, skill.getId(), Math.min(skill.getLevel(), maxLvl)) != null)
-		{
-			return true;
-		}
-		
 		return false;
 	}
 	
diff --git a/L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java b/L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java
index b27a997a22..5caa9a5def 100644
--- a/L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java
+++ b/L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java
@@ -11706,6 +11706,34 @@ public final class L2PcInstance extends L2Playable
 				{
 					// Include transformation skills and those skills that are allowed during transformation.
 					currentSkills = currentSkills.stream().filter(Skill::allowOnTransform).collect(Collectors.toList());
+					
+					// Revelation skills.
+					if (isDualClassActive())
+					{
+						int revelationSkill = getVariables().getInt(PlayerVariables.REVELATION_SKILL_1_DUAL_CLASS, 0);
+						if (revelationSkill != 0)
+						{
+							addSkill(SkillData.getInstance().getSkill(revelationSkill, 1), false);
+						}
+						revelationSkill = getVariables().getInt(PlayerVariables.REVELATION_SKILL_2_DUAL_CLASS, 0);
+						if (revelationSkill != 0)
+						{
+							addSkill(SkillData.getInstance().getSkill(revelationSkill, 1), false);
+						}
+					}
+					else if (!isSubClassActive())
+					{
+						int revelationSkill = getVariables().getInt(PlayerVariables.REVELATION_SKILL_1_MAIN_CLASS, 0);
+						if (revelationSkill != 0)
+						{
+							addSkill(SkillData.getInstance().getSkill(revelationSkill, 1), false);
+						}
+						revelationSkill = getVariables().getInt(PlayerVariables.REVELATION_SKILL_2_MAIN_CLASS, 0);
+						if (revelationSkill != 0)
+						{
+							addSkill(SkillData.getInstance().getSkill(revelationSkill, 1), false);
+						}
+					}
 				}
 				// Include transformation skills.
 				currentSkills.addAll(transformSkills.values());
@@ -11717,6 +11745,7 @@ public final class L2PcInstance extends L2Playable
 							.filter(Objects::nonNull)
 							.filter(s -> !s.isBlockActionUseSkill()) // Skills that are blocked from player use are not shown in skill list.
 							.filter(s -> !SkillTreesData.getInstance().isAlchemySkill(s.getId(), s.getLevel()))
+							.filter(s -> s.isDisplayInList())
 							.collect(Collectors.toList());
 		//@formatter:on
 	}
diff --git a/L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/model/skills/Skill.java b/L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/model/skills/Skill.java
index 8e4641502a..6148235551 100644
--- a/L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/model/skills/Skill.java
+++ b/L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/model/skills/Skill.java
@@ -209,6 +209,7 @@ public final class Skill implements IIdentifiable
 	
 	private final double _magicCriticalRate;
 	private final SkillBuffType _buffType;
+	private final boolean _displayInList;
 	
 	public Skill(StatsSet set)
 	{
@@ -441,6 +442,7 @@ public final class Skill implements IIdentifiable
 		
 		_magicCriticalRate = set.getDouble("magicCriticalRate", 0);
 		_buffType = isTriggeredSkill() ? SkillBuffType.TRIGGER : isToggle() ? SkillBuffType.TOGGLE : isDance() ? SkillBuffType.DANCE : isDebuff() ? SkillBuffType.DEBUFF : !isHealingPotionSkill() ? SkillBuffType.BUFF : SkillBuffType.NONE;
+		_displayInList = set.getBoolean("displayInList", true);
 	}
 	
 	public TraitType getTraitType()
@@ -1805,6 +1807,11 @@ public final class Skill implements IIdentifiable
 		return _irreplacableBuff;
 	}
 	
+	public boolean isDisplayInList()
+	{
+		return _displayInList;
+	}
+	
 	/**
 	 * @return if skill could not be requested for use by players.
 	 */
diff --git a/L2J_Mobius_3.0_Helios/dist/game/data/stats/skills/01500-01599.xml b/L2J_Mobius_3.0_Helios/dist/game/data/stats/skills/01500-01599.xml
index d6aa350c10..90ebea30d3 100644
--- a/L2J_Mobius_3.0_Helios/dist/game/data/stats/skills/01500-01599.xml
+++ b/L2J_Mobius_3.0_Helios/dist/game/data/stats/skills/01500-01599.xml
@@ -3934,6 +3934,7 @@
 		<reuseDelayGroup>1566</reuseDelayGroup>
 		<targetType>SELF</targetType>
 		<affectScope>SINGLE</affectScope>
+		<displayInList>false</displayInList>
 		<conditions>
 			<condition name="OpEncumbered">
 				<weightPercent>10</weightPercent>
@@ -3966,6 +3967,7 @@
 		<reuseDelayGroup>1566</reuseDelayGroup>
 		<targetType>SELF</targetType>
 		<affectScope>SINGLE</affectScope>
+		<displayInList>false</displayInList>
 		<conditions>
 			<condition name="OpEncumbered">
 				<weightPercent>10</weightPercent>
@@ -3998,6 +4000,7 @@
 		<reuseDelayGroup>1566</reuseDelayGroup>
 		<targetType>SELF</targetType>
 		<affectScope>SINGLE</affectScope>
+		<displayInList>false</displayInList>
 		<conditions>
 			<condition name="OpEncumbered">
 				<weightPercent>10</weightPercent>
@@ -4030,6 +4033,7 @@
 		<reuseDelayGroup>1566</reuseDelayGroup>
 		<targetType>SELF</targetType>
 		<affectScope>SINGLE</affectScope>
+		<displayInList>false</displayInList>
 		<conditions>
 			<condition name="OpEncumbered">
 				<weightPercent>10</weightPercent>
diff --git a/L2J_Mobius_3.0_Helios/dist/game/data/stats/skills/17900-17999.xml b/L2J_Mobius_3.0_Helios/dist/game/data/stats/skills/17900-17999.xml
index f71c6c789d..5d63c0e163 100644
--- a/L2J_Mobius_3.0_Helios/dist/game/data/stats/skills/17900-17999.xml
+++ b/L2J_Mobius_3.0_Helios/dist/game/data/stats/skills/17900-17999.xml
@@ -698,6 +698,7 @@
 			<value level="2">icon.alchemy_mix_cube</value>
 		</icon>
 		<operateType>P</operateType>
+		<displayInList>false</displayInList>
 	</skill>
 	<skill id="17944" toLevel="1" name="Scroll of Escape: Talking Island Village">
 		<!-- AUTO GENERATED SKILL -->
diff --git a/L2J_Mobius_3.0_Helios/dist/game/data/xsd/skills.xsd b/L2J_Mobius_3.0_Helios/dist/game/data/xsd/skills.xsd
index aeead5813f..67967b59be 100644
--- a/L2J_Mobius_3.0_Helios/dist/game/data/xsd/skills.xsd
+++ b/L2J_Mobius_3.0_Helios/dist/game/data/xsd/skills.xsd
@@ -2503,9 +2503,6 @@
 								<xs:element name="effect">
 									<xs:complexType>
 										<xs:sequence>
-											<xs:element minOccurs="0" name="ON_MAGIC_SKILL" />
-											<xs:element minOccurs="0" name="ON_CRITICAL_SKILL" />
-											<xs:element minOccurs="0" name="ON_EQUIP" />
 											<xs:element minOccurs="0" name="slot" type="xs:string" />
 											<xs:element minOccurs="0" name="rate" type="xs:unsignedByte" />
 											<xs:element minOccurs="0" name="max" type="xs:unsignedByte" />
@@ -2803,6 +2800,7 @@
 								<xs:element name="isSharedWithSummon" type="xs:boolean" />
 								<xs:element name="halfKillRate" type="xs:unsignedByte" />
 								<xs:element name="reuseDelayGroup" type="xs:unsignedShort" />
+								<xs:element name="displayInList" type="xs:boolean" />
 								<xs:element name="isSuicideAttack" type="xs:boolean" />
 								<xs:element name="toggleGroupId" type="xs:unsignedByte" />
 								<xs:element name="abnormallVL" type="xs:unsignedByte" />
diff --git a/L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/data/xml/impl/SkillTreesData.java b/L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/data/xml/impl/SkillTreesData.java
index 884e4273b4..cceede352d 100644
--- a/L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/data/xml/impl/SkillTreesData.java
+++ b/L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/data/xml/impl/SkillTreesData.java
@@ -1695,12 +1695,6 @@ public final class SkillTreesData implements IGameXmlReader
 			return true;
 		}
 		
-		// Exclude Revelation Skills from this check.
-		if (getRevelationSkill(player.isDualClassActive() ? SubclassType.DUALCLASS : SubclassType.BASECLASS, skill.getId(), Math.min(skill.getLevel(), maxLvl)) != null)
-		{
-			return true;
-		}
-		
 		return false;
 	}
 	
diff --git a/L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java b/L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java
index d79ed5dc96..cbf2114920 100644
--- a/L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java
+++ b/L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java
@@ -11716,6 +11716,34 @@ public final class L2PcInstance extends L2Playable
 				{
 					// Include transformation skills and those skills that are allowed during transformation.
 					currentSkills = currentSkills.stream().filter(Skill::allowOnTransform).collect(Collectors.toList());
+					
+					// Revelation skills.
+					if (isDualClassActive())
+					{
+						int revelationSkill = getVariables().getInt(PlayerVariables.REVELATION_SKILL_1_DUAL_CLASS, 0);
+						if (revelationSkill != 0)
+						{
+							addSkill(SkillData.getInstance().getSkill(revelationSkill, 1), false);
+						}
+						revelationSkill = getVariables().getInt(PlayerVariables.REVELATION_SKILL_2_DUAL_CLASS, 0);
+						if (revelationSkill != 0)
+						{
+							addSkill(SkillData.getInstance().getSkill(revelationSkill, 1), false);
+						}
+					}
+					else if (!isSubClassActive())
+					{
+						int revelationSkill = getVariables().getInt(PlayerVariables.REVELATION_SKILL_1_MAIN_CLASS, 0);
+						if (revelationSkill != 0)
+						{
+							addSkill(SkillData.getInstance().getSkill(revelationSkill, 1), false);
+						}
+						revelationSkill = getVariables().getInt(PlayerVariables.REVELATION_SKILL_2_MAIN_CLASS, 0);
+						if (revelationSkill != 0)
+						{
+							addSkill(SkillData.getInstance().getSkill(revelationSkill, 1), false);
+						}
+					}
 				}
 				// Include transformation skills.
 				currentSkills.addAll(transformSkills.values());
@@ -11727,6 +11755,7 @@ public final class L2PcInstance extends L2Playable
 							.filter(Objects::nonNull)
 							.filter(s -> !s.isBlockActionUseSkill()) // Skills that are blocked from player use are not shown in skill list.
 							.filter(s -> !SkillTreesData.getInstance().isAlchemySkill(s.getId(), s.getLevel()))
+							.filter(s -> s.isDisplayInList())
 							.collect(Collectors.toList());
 		//@formatter:on
 	}
diff --git a/L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/model/skills/Skill.java b/L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/model/skills/Skill.java
index 8e4641502a..6148235551 100644
--- a/L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/model/skills/Skill.java
+++ b/L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/model/skills/Skill.java
@@ -209,6 +209,7 @@ public final class Skill implements IIdentifiable
 	
 	private final double _magicCriticalRate;
 	private final SkillBuffType _buffType;
+	private final boolean _displayInList;
 	
 	public Skill(StatsSet set)
 	{
@@ -441,6 +442,7 @@ public final class Skill implements IIdentifiable
 		
 		_magicCriticalRate = set.getDouble("magicCriticalRate", 0);
 		_buffType = isTriggeredSkill() ? SkillBuffType.TRIGGER : isToggle() ? SkillBuffType.TOGGLE : isDance() ? SkillBuffType.DANCE : isDebuff() ? SkillBuffType.DEBUFF : !isHealingPotionSkill() ? SkillBuffType.BUFF : SkillBuffType.NONE;
+		_displayInList = set.getBoolean("displayInList", true);
 	}
 	
 	public TraitType getTraitType()
@@ -1805,6 +1807,11 @@ public final class Skill implements IIdentifiable
 		return _irreplacableBuff;
 	}
 	
+	public boolean isDisplayInList()
+	{
+		return _displayInList;
+	}
+	
 	/**
 	 * @return if skill could not be requested for use by players.
 	 */
diff --git a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/stats/skills/01500-01599.xml b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/stats/skills/01500-01599.xml
index 8b9c850279..4641e0cec0 100644
--- a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/stats/skills/01500-01599.xml
+++ b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/stats/skills/01500-01599.xml
@@ -3934,6 +3934,7 @@
 		<reuseDelayGroup>1566</reuseDelayGroup>
 		<targetType>SELF</targetType>
 		<affectScope>SINGLE</affectScope>
+		<displayInList>false</displayInList>
 		<conditions>
 			<condition name="OpEncumbered">
 				<weightPercent>10</weightPercent>
@@ -3966,6 +3967,7 @@
 		<reuseDelayGroup>1566</reuseDelayGroup>
 		<targetType>SELF</targetType>
 		<affectScope>SINGLE</affectScope>
+		<displayInList>false</displayInList>
 		<conditions>
 			<condition name="OpEncumbered">
 				<weightPercent>10</weightPercent>
@@ -3998,6 +4000,7 @@
 		<reuseDelayGroup>1566</reuseDelayGroup>
 		<targetType>SELF</targetType>
 		<affectScope>SINGLE</affectScope>
+		<displayInList>false</displayInList>
 		<conditions>
 			<condition name="OpEncumbered">
 				<weightPercent>10</weightPercent>
@@ -4030,6 +4033,7 @@
 		<reuseDelayGroup>1566</reuseDelayGroup>
 		<targetType>SELF</targetType>
 		<affectScope>SINGLE</affectScope>
+		<displayInList>false</displayInList>
 		<conditions>
 			<condition name="OpEncumbered">
 				<weightPercent>10</weightPercent>
diff --git a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/stats/skills/17900-17999.xml b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/stats/skills/17900-17999.xml
index 84b6e4bd6b..9ac1e4bbbd 100644
--- a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/stats/skills/17900-17999.xml
+++ b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/stats/skills/17900-17999.xml
@@ -698,6 +698,7 @@
 			<value level="2">icon.alchemy_mix_cube</value>
 		</icon>
 		<operateType>P</operateType>
+		<displayInList>false</displayInList>
 	</skill>
 	<skill id="17944" toLevel="1" name="Scroll of Escape: Talking Island Village">
 		<!-- AUTO GENERATED SKILL -->
diff --git a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/xsd/skills.xsd b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/xsd/skills.xsd
index e99593f9af..0aec67edb4 100644
--- a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/xsd/skills.xsd
+++ b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/xsd/skills.xsd
@@ -2477,9 +2477,6 @@
 								<xs:element name="effect">
 									<xs:complexType>
 										<xs:sequence>
-											<xs:element minOccurs="0" name="ON_MAGIC_SKILL" />
-											<xs:element minOccurs="0" name="ON_CRITICAL_SKILL" />
-											<xs:element minOccurs="0" name="ON_EQUIP" />
 											<xs:element minOccurs="0" name="slot" type="xs:string" />
 											<xs:element minOccurs="0" name="rate" type="xs:unsignedByte" />
 											<xs:element minOccurs="0" name="max" type="xs:unsignedByte" />
@@ -2818,6 +2815,7 @@
 								<xs:element name="isSharedWithSummon" type="xs:boolean" />
 								<xs:element name="halfKillRate" type="xs:unsignedByte" />
 								<xs:element name="reuseDelayGroup" type="xs:unsignedShort" />
+								<xs:element name="displayInList" type="xs:boolean" />
 								<xs:element name="isSuicideAttack" type="xs:boolean" />
 								<xs:element name="toggleGroupId" type="xs:unsignedByte" />
 								<xs:element name="abnormallVL" type="xs:unsignedByte" />
diff --git a/L2J_Mobius_4.0_GrandCrusade/java/com/l2jmobius/gameserver/data/xml/impl/SkillTreesData.java b/L2J_Mobius_4.0_GrandCrusade/java/com/l2jmobius/gameserver/data/xml/impl/SkillTreesData.java
index 884e4273b4..cceede352d 100644
--- a/L2J_Mobius_4.0_GrandCrusade/java/com/l2jmobius/gameserver/data/xml/impl/SkillTreesData.java
+++ b/L2J_Mobius_4.0_GrandCrusade/java/com/l2jmobius/gameserver/data/xml/impl/SkillTreesData.java
@@ -1695,12 +1695,6 @@ public final class SkillTreesData implements IGameXmlReader
 			return true;
 		}
 		
-		// Exclude Revelation Skills from this check.
-		if (getRevelationSkill(player.isDualClassActive() ? SubclassType.DUALCLASS : SubclassType.BASECLASS, skill.getId(), Math.min(skill.getLevel(), maxLvl)) != null)
-		{
-			return true;
-		}
-		
 		return false;
 	}
 	
diff --git a/L2J_Mobius_4.0_GrandCrusade/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java b/L2J_Mobius_4.0_GrandCrusade/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java
index 9d5bd80977..73fdb4daf0 100644
--- a/L2J_Mobius_4.0_GrandCrusade/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java
+++ b/L2J_Mobius_4.0_GrandCrusade/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java
@@ -11699,6 +11699,34 @@ public final class L2PcInstance extends L2Playable
 				{
 					// Include transformation skills and those skills that are allowed during transformation.
 					currentSkills = currentSkills.stream().filter(Skill::allowOnTransform).collect(Collectors.toList());
+					
+					// Revelation skills.
+					if (isDualClassActive())
+					{
+						int revelationSkill = getVariables().getInt(PlayerVariables.REVELATION_SKILL_1_DUAL_CLASS, 0);
+						if (revelationSkill != 0)
+						{
+							addSkill(SkillData.getInstance().getSkill(revelationSkill, 1), false);
+						}
+						revelationSkill = getVariables().getInt(PlayerVariables.REVELATION_SKILL_2_DUAL_CLASS, 0);
+						if (revelationSkill != 0)
+						{
+							addSkill(SkillData.getInstance().getSkill(revelationSkill, 1), false);
+						}
+					}
+					else if (!isSubClassActive())
+					{
+						int revelationSkill = getVariables().getInt(PlayerVariables.REVELATION_SKILL_1_MAIN_CLASS, 0);
+						if (revelationSkill != 0)
+						{
+							addSkill(SkillData.getInstance().getSkill(revelationSkill, 1), false);
+						}
+						revelationSkill = getVariables().getInt(PlayerVariables.REVELATION_SKILL_2_MAIN_CLASS, 0);
+						if (revelationSkill != 0)
+						{
+							addSkill(SkillData.getInstance().getSkill(revelationSkill, 1), false);
+						}
+					}
 				}
 				// Include transformation skills.
 				currentSkills.addAll(transformSkills.values());
@@ -11710,6 +11738,7 @@ public final class L2PcInstance extends L2Playable
 							.filter(Objects::nonNull)
 							.filter(s -> !s.isBlockActionUseSkill()) // Skills that are blocked from player use are not shown in skill list.
 							.filter(s -> !SkillTreesData.getInstance().isAlchemySkill(s.getId(), s.getLevel()))
+							.filter(s -> s.isDisplayInList())
 							.collect(Collectors.toList());
 		//@formatter:on
 	}
diff --git a/L2J_Mobius_4.0_GrandCrusade/java/com/l2jmobius/gameserver/model/skills/Skill.java b/L2J_Mobius_4.0_GrandCrusade/java/com/l2jmobius/gameserver/model/skills/Skill.java
index 8e4641502a..6148235551 100644
--- a/L2J_Mobius_4.0_GrandCrusade/java/com/l2jmobius/gameserver/model/skills/Skill.java
+++ b/L2J_Mobius_4.0_GrandCrusade/java/com/l2jmobius/gameserver/model/skills/Skill.java
@@ -209,6 +209,7 @@ public final class Skill implements IIdentifiable
 	
 	private final double _magicCriticalRate;
 	private final SkillBuffType _buffType;
+	private final boolean _displayInList;
 	
 	public Skill(StatsSet set)
 	{
@@ -441,6 +442,7 @@ public final class Skill implements IIdentifiable
 		
 		_magicCriticalRate = set.getDouble("magicCriticalRate", 0);
 		_buffType = isTriggeredSkill() ? SkillBuffType.TRIGGER : isToggle() ? SkillBuffType.TOGGLE : isDance() ? SkillBuffType.DANCE : isDebuff() ? SkillBuffType.DEBUFF : !isHealingPotionSkill() ? SkillBuffType.BUFF : SkillBuffType.NONE;
+		_displayInList = set.getBoolean("displayInList", true);
 	}
 	
 	public TraitType getTraitType()
@@ -1805,6 +1807,11 @@ public final class Skill implements IIdentifiable
 		return _irreplacableBuff;
 	}
 	
+	public boolean isDisplayInList()
+	{
+		return _displayInList;
+	}
+	
 	/**
 	 * @return if skill could not be requested for use by players.
 	 */
diff --git a/L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/data/xml/impl/SkillTreesData.java b/L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/data/xml/impl/SkillTreesData.java
index 884e4273b4..cceede352d 100644
--- a/L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/data/xml/impl/SkillTreesData.java
+++ b/L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/data/xml/impl/SkillTreesData.java
@@ -1695,12 +1695,6 @@ public final class SkillTreesData implements IGameXmlReader
 			return true;
 		}
 		
-		// Exclude Revelation Skills from this check.
-		if (getRevelationSkill(player.isDualClassActive() ? SubclassType.DUALCLASS : SubclassType.BASECLASS, skill.getId(), Math.min(skill.getLevel(), maxLvl)) != null)
-		{
-			return true;
-		}
-		
 		return false;
 	}
 	
diff --git a/L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java b/L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java
index 2802a6c607..ce5ecb97fd 100644
--- a/L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java
+++ b/L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/model/actor/instance/L2PcInstance.java
@@ -11639,6 +11639,34 @@ public final class L2PcInstance extends L2Playable
 				{
 					// Include transformation skills and those skills that are allowed during transformation.
 					currentSkills = currentSkills.stream().filter(Skill::allowOnTransform).collect(Collectors.toList());
+					
+					// Revelation skills.
+					if (isDualClassActive())
+					{
+						int revelationSkill = getVariables().getInt(PlayerVariables.REVELATION_SKILL_1_DUAL_CLASS, 0);
+						if (revelationSkill != 0)
+						{
+							addSkill(SkillData.getInstance().getSkill(revelationSkill, 1), false);
+						}
+						revelationSkill = getVariables().getInt(PlayerVariables.REVELATION_SKILL_2_DUAL_CLASS, 0);
+						if (revelationSkill != 0)
+						{
+							addSkill(SkillData.getInstance().getSkill(revelationSkill, 1), false);
+						}
+					}
+					else if (!isSubClassActive())
+					{
+						int revelationSkill = getVariables().getInt(PlayerVariables.REVELATION_SKILL_1_MAIN_CLASS, 0);
+						if (revelationSkill != 0)
+						{
+							addSkill(SkillData.getInstance().getSkill(revelationSkill, 1), false);
+						}
+						revelationSkill = getVariables().getInt(PlayerVariables.REVELATION_SKILL_2_MAIN_CLASS, 0);
+						if (revelationSkill != 0)
+						{
+							addSkill(SkillData.getInstance().getSkill(revelationSkill, 1), false);
+						}
+					}
 				}
 				// Include transformation skills.
 				currentSkills.addAll(transformSkills.values());
@@ -11650,6 +11678,7 @@ public final class L2PcInstance extends L2Playable
 							.filter(Objects::nonNull)
 							.filter(s -> !s.isBlockActionUseSkill()) // Skills that are blocked from player use are not shown in skill list.
 							.filter(s -> !SkillTreesData.getInstance().isAlchemySkill(s.getId(), s.getLevel()))
+							.filter(s -> s.isDisplayInList())
 							.collect(Collectors.toList());
 		//@formatter:on
 	}
diff --git a/L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/model/skills/Skill.java b/L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/model/skills/Skill.java
index 8e4641502a..6148235551 100644
--- a/L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/model/skills/Skill.java
+++ b/L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/model/skills/Skill.java
@@ -209,6 +209,7 @@ public final class Skill implements IIdentifiable
 	
 	private final double _magicCriticalRate;
 	private final SkillBuffType _buffType;
+	private final boolean _displayInList;
 	
 	public Skill(StatsSet set)
 	{
@@ -441,6 +442,7 @@ public final class Skill implements IIdentifiable
 		
 		_magicCriticalRate = set.getDouble("magicCriticalRate", 0);
 		_buffType = isTriggeredSkill() ? SkillBuffType.TRIGGER : isToggle() ? SkillBuffType.TOGGLE : isDance() ? SkillBuffType.DANCE : isDebuff() ? SkillBuffType.DEBUFF : !isHealingPotionSkill() ? SkillBuffType.BUFF : SkillBuffType.NONE;
+		_displayInList = set.getBoolean("displayInList", true);
 	}
 	
 	public TraitType getTraitType()
@@ -1805,6 +1807,11 @@ public final class Skill implements IIdentifiable
 		return _irreplacableBuff;
 	}
 	
+	public boolean isDisplayInList()
+	{
+		return _displayInList;
+	}
+	
 	/**
 	 * @return if skill could not be requested for use by players.
 	 */