diff --git a/L2J_Mobius_1.0_Ertheia/dist/game/data/scripts/handlers/EffectMasterHandler.java b/L2J_Mobius_1.0_Ertheia/dist/game/data/scripts/handlers/EffectMasterHandler.java
index 2285d2836c..193f3d40b7 100644
--- a/L2J_Mobius_1.0_Ertheia/dist/game/data/scripts/handlers/EffectMasterHandler.java
+++ b/L2J_Mobius_1.0_Ertheia/dist/game/data/scripts/handlers/EffectMasterHandler.java
@@ -258,6 +258,7 @@ public final class EffectMasterHandler
 		EffectHandler.getInstance().registerHandler("PvpPhysicalSkillDefenceBonus", PvpPhysicalSkillDefenceBonus::new);
 		EffectHandler.getInstance().registerHandler("RandomizeHate", RandomizeHate::new);
 		EffectHandler.getInstance().registerHandler("RealDamage", RealDamage::new);
+		EffectHandler.getInstance().registerHandler("RearDamage", RearDamage::new);
 		EffectHandler.getInstance().registerHandler("RebalanceHP", RebalanceHP::new);
 		EffectHandler.getInstance().registerHandler("RebalanceHPSummon", RebalanceHPSummon::new);
 		EffectHandler.getInstance().registerHandler("RecoverVitalityInPeaceZone", RecoverVitalityInPeaceZone::new);
diff --git a/L2J_Mobius_1.0_Ertheia/dist/game/data/scripts/handlers/effecthandlers/RearDamage.java b/L2J_Mobius_1.0_Ertheia/dist/game/data/scripts/handlers/effecthandlers/RearDamage.java
new file mode 100644
index 0000000000..a2b1fa1f0f
--- /dev/null
+++ b/L2J_Mobius_1.0_Ertheia/dist/game/data/scripts/handlers/effecthandlers/RearDamage.java
@@ -0,0 +1,31 @@
+/*
+ * 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 com.l2jmobius.gameserver.model.StatsSet;
+import com.l2jmobius.gameserver.model.stats.Stats;
+
+/**
+ * @author Mobius
+ */
+public class RearDamage extends AbstractStatEffect
+{
+	public RearDamage(StatsSet params)
+	{
+		super(params, Stats.REAR_DAMAGE_RATE);
+	}
+}
diff --git a/L2J_Mobius_1.0_Ertheia/dist/game/data/stats/skills/documentation.txt b/L2J_Mobius_1.0_Ertheia/dist/game/data/stats/skills/documentation.txt
index fdf52a8404..e0df7f5356 100644
--- a/L2J_Mobius_1.0_Ertheia/dist/game/data/stats/skills/documentation.txt
+++ b/L2J_Mobius_1.0_Ertheia/dist/game/data/stats/skills/documentation.txt
@@ -227,6 +227,7 @@ PvpPhysicalSkillDamageBonus: Physical skill damage stat against Players and Summ
 PvpPhysicalSkillDefenceBonus: Physical skill defence stat when taking damage from Players and Summons.
 RandomizeHate: Target NPC stops hating you and starts hating random target with your hate.
 RealDamage: Static damage.
+RearDamage: Multiplier for damage done from behind the target. (l2jmobius)
 RebalanceHP: Balances targets' current HP.
 RebalanceHPSummon: Balances targets' current HP for summons.
 RecoverVitalityInPeaceZone: Recover periodically vitality when player is in a peace zone. (l2jmobius)
diff --git a/L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/model/actor/L2Character.java b/L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/model/actor/L2Character.java
index e030558301..165ef19cea 100644
--- a/L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/model/actor/L2Character.java
+++ b/L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/model/actor/L2Character.java
@@ -4396,8 +4396,11 @@ public abstract class L2Character extends L2Object implements ISkillsHolder, IDe
 		
 		if (!reflect && !isDOT)
 		{
-			// TODO: Implement AttackDamagePosition effect
-			// damage *= getStat().getPositionTypeValue(Stats.ATTACK_DAMAGE, Position.getPosition(this, target));
+			// RearDamage effect bonus.
+			if (isBehind(target))
+			{
+				damage *= getStat().getValue(Stats.REAR_DAMAGE_RATE, 1);
+			}
 			
 			// Counterattacks happen before damage received.
 			if (!target.isDead() && (skill != null))
diff --git a/L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/model/stats/Stats.java b/L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/model/stats/Stats.java
index 2efa5493aa..3b6873ddee 100644
--- a/L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/model/stats/Stats.java
+++ b/L2J_Mobius_1.0_Ertheia/java/com/l2jmobius/gameserver/model/stats/Stats.java
@@ -83,6 +83,7 @@ public enum Stats
 	CRITICAL_DAMAGE("cAtk"),
 	CRITICAL_DAMAGE_ADD("cAtkAdd"), // this is another type for special critical damage mods - vicious stance, critical power and critical damage SA
 	HATE_ATTACK("attackHate"),
+	REAR_DAMAGE_RATE("rearDamage"),
 	
 	// PVP BONUS
 	PVP_PHYSICAL_ATTACK_DAMAGE("pvpPhysDmg"),
diff --git a/L2J_Mobius_2.5_Underground/dist/game/data/scripts/handlers/EffectMasterHandler.java b/L2J_Mobius_2.5_Underground/dist/game/data/scripts/handlers/EffectMasterHandler.java
index 2285d2836c..193f3d40b7 100644
--- a/L2J_Mobius_2.5_Underground/dist/game/data/scripts/handlers/EffectMasterHandler.java
+++ b/L2J_Mobius_2.5_Underground/dist/game/data/scripts/handlers/EffectMasterHandler.java
@@ -258,6 +258,7 @@ public final class EffectMasterHandler
 		EffectHandler.getInstance().registerHandler("PvpPhysicalSkillDefenceBonus", PvpPhysicalSkillDefenceBonus::new);
 		EffectHandler.getInstance().registerHandler("RandomizeHate", RandomizeHate::new);
 		EffectHandler.getInstance().registerHandler("RealDamage", RealDamage::new);
+		EffectHandler.getInstance().registerHandler("RearDamage", RearDamage::new);
 		EffectHandler.getInstance().registerHandler("RebalanceHP", RebalanceHP::new);
 		EffectHandler.getInstance().registerHandler("RebalanceHPSummon", RebalanceHPSummon::new);
 		EffectHandler.getInstance().registerHandler("RecoverVitalityInPeaceZone", RecoverVitalityInPeaceZone::new);
diff --git a/L2J_Mobius_2.5_Underground/dist/game/data/scripts/handlers/effecthandlers/RearDamage.java b/L2J_Mobius_2.5_Underground/dist/game/data/scripts/handlers/effecthandlers/RearDamage.java
new file mode 100644
index 0000000000..a2b1fa1f0f
--- /dev/null
+++ b/L2J_Mobius_2.5_Underground/dist/game/data/scripts/handlers/effecthandlers/RearDamage.java
@@ -0,0 +1,31 @@
+/*
+ * 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 com.l2jmobius.gameserver.model.StatsSet;
+import com.l2jmobius.gameserver.model.stats.Stats;
+
+/**
+ * @author Mobius
+ */
+public class RearDamage extends AbstractStatEffect
+{
+	public RearDamage(StatsSet params)
+	{
+		super(params, Stats.REAR_DAMAGE_RATE);
+	}
+}
diff --git a/L2J_Mobius_2.5_Underground/dist/game/data/stats/skills/documentation.txt b/L2J_Mobius_2.5_Underground/dist/game/data/stats/skills/documentation.txt
index fdf52a8404..e0df7f5356 100644
--- a/L2J_Mobius_2.5_Underground/dist/game/data/stats/skills/documentation.txt
+++ b/L2J_Mobius_2.5_Underground/dist/game/data/stats/skills/documentation.txt
@@ -227,6 +227,7 @@ PvpPhysicalSkillDamageBonus: Physical skill damage stat against Players and Summ
 PvpPhysicalSkillDefenceBonus: Physical skill defence stat when taking damage from Players and Summons.
 RandomizeHate: Target NPC stops hating you and starts hating random target with your hate.
 RealDamage: Static damage.
+RearDamage: Multiplier for damage done from behind the target. (l2jmobius)
 RebalanceHP: Balances targets' current HP.
 RebalanceHPSummon: Balances targets' current HP for summons.
 RecoverVitalityInPeaceZone: Recover periodically vitality when player is in a peace zone. (l2jmobius)
diff --git a/L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/model/actor/L2Character.java b/L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/model/actor/L2Character.java
index e030558301..165ef19cea 100644
--- a/L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/model/actor/L2Character.java
+++ b/L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/model/actor/L2Character.java
@@ -4396,8 +4396,11 @@ public abstract class L2Character extends L2Object implements ISkillsHolder, IDe
 		
 		if (!reflect && !isDOT)
 		{
-			// TODO: Implement AttackDamagePosition effect
-			// damage *= getStat().getPositionTypeValue(Stats.ATTACK_DAMAGE, Position.getPosition(this, target));
+			// RearDamage effect bonus.
+			if (isBehind(target))
+			{
+				damage *= getStat().getValue(Stats.REAR_DAMAGE_RATE, 1);
+			}
 			
 			// Counterattacks happen before damage received.
 			if (!target.isDead() && (skill != null))
diff --git a/L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/model/stats/Stats.java b/L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/model/stats/Stats.java
index 2efa5493aa..3b6873ddee 100644
--- a/L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/model/stats/Stats.java
+++ b/L2J_Mobius_2.5_Underground/java/com/l2jmobius/gameserver/model/stats/Stats.java
@@ -83,6 +83,7 @@ public enum Stats
 	CRITICAL_DAMAGE("cAtk"),
 	CRITICAL_DAMAGE_ADD("cAtkAdd"), // this is another type for special critical damage mods - vicious stance, critical power and critical damage SA
 	HATE_ATTACK("attackHate"),
+	REAR_DAMAGE_RATE("rearDamage"),
 	
 	// PVP BONUS
 	PVP_PHYSICAL_ATTACK_DAMAGE("pvpPhysDmg"),
diff --git a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/handlers/EffectMasterHandler.java b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/handlers/EffectMasterHandler.java
index 2285d2836c..193f3d40b7 100644
--- a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/handlers/EffectMasterHandler.java
+++ b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/handlers/EffectMasterHandler.java
@@ -258,6 +258,7 @@ public final class EffectMasterHandler
 		EffectHandler.getInstance().registerHandler("PvpPhysicalSkillDefenceBonus", PvpPhysicalSkillDefenceBonus::new);
 		EffectHandler.getInstance().registerHandler("RandomizeHate", RandomizeHate::new);
 		EffectHandler.getInstance().registerHandler("RealDamage", RealDamage::new);
+		EffectHandler.getInstance().registerHandler("RearDamage", RearDamage::new);
 		EffectHandler.getInstance().registerHandler("RebalanceHP", RebalanceHP::new);
 		EffectHandler.getInstance().registerHandler("RebalanceHPSummon", RebalanceHPSummon::new);
 		EffectHandler.getInstance().registerHandler("RecoverVitalityInPeaceZone", RecoverVitalityInPeaceZone::new);
diff --git a/L2J_Mobius_3.0_Helios/dist/game/data/scripts/handlers/effecthandlers/RearDamage.java b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/handlers/effecthandlers/RearDamage.java
new file mode 100644
index 0000000000..a2b1fa1f0f
--- /dev/null
+++ b/L2J_Mobius_3.0_Helios/dist/game/data/scripts/handlers/effecthandlers/RearDamage.java
@@ -0,0 +1,31 @@
+/*
+ * 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 com.l2jmobius.gameserver.model.StatsSet;
+import com.l2jmobius.gameserver.model.stats.Stats;
+
+/**
+ * @author Mobius
+ */
+public class RearDamage extends AbstractStatEffect
+{
+	public RearDamage(StatsSet params)
+	{
+		super(params, Stats.REAR_DAMAGE_RATE);
+	}
+}
diff --git a/L2J_Mobius_3.0_Helios/dist/game/data/stats/skills/documentation.txt b/L2J_Mobius_3.0_Helios/dist/game/data/stats/skills/documentation.txt
index fdf52a8404..e0df7f5356 100644
--- a/L2J_Mobius_3.0_Helios/dist/game/data/stats/skills/documentation.txt
+++ b/L2J_Mobius_3.0_Helios/dist/game/data/stats/skills/documentation.txt
@@ -227,6 +227,7 @@ PvpPhysicalSkillDamageBonus: Physical skill damage stat against Players and Summ
 PvpPhysicalSkillDefenceBonus: Physical skill defence stat when taking damage from Players and Summons.
 RandomizeHate: Target NPC stops hating you and starts hating random target with your hate.
 RealDamage: Static damage.
+RearDamage: Multiplier for damage done from behind the target. (l2jmobius)
 RebalanceHP: Balances targets' current HP.
 RebalanceHPSummon: Balances targets' current HP for summons.
 RecoverVitalityInPeaceZone: Recover periodically vitality when player is in a peace zone. (l2jmobius)
diff --git a/L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/model/actor/L2Character.java b/L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/model/actor/L2Character.java
index e030558301..165ef19cea 100644
--- a/L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/model/actor/L2Character.java
+++ b/L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/model/actor/L2Character.java
@@ -4396,8 +4396,11 @@ public abstract class L2Character extends L2Object implements ISkillsHolder, IDe
 		
 		if (!reflect && !isDOT)
 		{
-			// TODO: Implement AttackDamagePosition effect
-			// damage *= getStat().getPositionTypeValue(Stats.ATTACK_DAMAGE, Position.getPosition(this, target));
+			// RearDamage effect bonus.
+			if (isBehind(target))
+			{
+				damage *= getStat().getValue(Stats.REAR_DAMAGE_RATE, 1);
+			}
 			
 			// Counterattacks happen before damage received.
 			if (!target.isDead() && (skill != null))
diff --git a/L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/model/stats/Stats.java b/L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/model/stats/Stats.java
index 2efa5493aa..3b6873ddee 100644
--- a/L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/model/stats/Stats.java
+++ b/L2J_Mobius_3.0_Helios/java/com/l2jmobius/gameserver/model/stats/Stats.java
@@ -83,6 +83,7 @@ public enum Stats
 	CRITICAL_DAMAGE("cAtk"),
 	CRITICAL_DAMAGE_ADD("cAtkAdd"), // this is another type for special critical damage mods - vicious stance, critical power and critical damage SA
 	HATE_ATTACK("attackHate"),
+	REAR_DAMAGE_RATE("rearDamage"),
 	
 	// PVP BONUS
 	PVP_PHYSICAL_ATTACK_DAMAGE("pvpPhysDmg"),
diff --git a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/handlers/EffectMasterHandler.java b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/handlers/EffectMasterHandler.java
index 35e15369d7..25ab519396 100644
--- a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/handlers/EffectMasterHandler.java
+++ b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/handlers/EffectMasterHandler.java
@@ -262,6 +262,7 @@ public final class EffectMasterHandler
 		EffectHandler.getInstance().registerHandler("PvpPhysicalSkillDefenceBonus", PvpPhysicalSkillDefenceBonus::new);
 		EffectHandler.getInstance().registerHandler("RandomizeHate", RandomizeHate::new);
 		EffectHandler.getInstance().registerHandler("RealDamage", RealDamage::new);
+		EffectHandler.getInstance().registerHandler("RearDamage", RearDamage::new);
 		EffectHandler.getInstance().registerHandler("RebalanceHP", RebalanceHP::new);
 		EffectHandler.getInstance().registerHandler("RebalanceHPSummon", RebalanceHPSummon::new);
 		EffectHandler.getInstance().registerHandler("RecoverVitalityInPeaceZone", RecoverVitalityInPeaceZone::new);
diff --git a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/handlers/effecthandlers/RearDamage.java b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/handlers/effecthandlers/RearDamage.java
new file mode 100644
index 0000000000..a2b1fa1f0f
--- /dev/null
+++ b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/scripts/handlers/effecthandlers/RearDamage.java
@@ -0,0 +1,31 @@
+/*
+ * 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 com.l2jmobius.gameserver.model.StatsSet;
+import com.l2jmobius.gameserver.model.stats.Stats;
+
+/**
+ * @author Mobius
+ */
+public class RearDamage extends AbstractStatEffect
+{
+	public RearDamage(StatsSet params)
+	{
+		super(params, Stats.REAR_DAMAGE_RATE);
+	}
+}
diff --git a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/stats/skills/documentation.txt b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/stats/skills/documentation.txt
index e45ff590d7..e76afe0fd1 100644
--- a/L2J_Mobius_4.0_GrandCrusade/dist/game/data/stats/skills/documentation.txt
+++ b/L2J_Mobius_4.0_GrandCrusade/dist/game/data/stats/skills/documentation.txt
@@ -231,6 +231,7 @@ PvpPhysicalSkillDamageBonus: Physical skill damage stat against Players and Summ
 PvpPhysicalSkillDefenceBonus: Physical skill defence stat when taking damage from Players and Summons.
 RandomizeHate: Target NPC stops hating you and starts hating random target with your hate.
 RealDamage: Static damage.
+RearDamage: Multiplier for damage done from behind the target. (l2jmobius)
 RebalanceHP: Balances targets' current HP.
 RebalanceHPSummon: Balances targets' current HP for summons.
 RecoverVitalityInPeaceZone: Recover periodically vitality when player is in a peace zone. (l2jmobius)
diff --git a/L2J_Mobius_4.0_GrandCrusade/java/com/l2jmobius/gameserver/model/actor/L2Character.java b/L2J_Mobius_4.0_GrandCrusade/java/com/l2jmobius/gameserver/model/actor/L2Character.java
index e030558301..165ef19cea 100644
--- a/L2J_Mobius_4.0_GrandCrusade/java/com/l2jmobius/gameserver/model/actor/L2Character.java
+++ b/L2J_Mobius_4.0_GrandCrusade/java/com/l2jmobius/gameserver/model/actor/L2Character.java
@@ -4396,8 +4396,11 @@ public abstract class L2Character extends L2Object implements ISkillsHolder, IDe
 		
 		if (!reflect && !isDOT)
 		{
-			// TODO: Implement AttackDamagePosition effect
-			// damage *= getStat().getPositionTypeValue(Stats.ATTACK_DAMAGE, Position.getPosition(this, target));
+			// RearDamage effect bonus.
+			if (isBehind(target))
+			{
+				damage *= getStat().getValue(Stats.REAR_DAMAGE_RATE, 1);
+			}
 			
 			// Counterattacks happen before damage received.
 			if (!target.isDead() && (skill != null))
diff --git a/L2J_Mobius_4.0_GrandCrusade/java/com/l2jmobius/gameserver/model/stats/Stats.java b/L2J_Mobius_4.0_GrandCrusade/java/com/l2jmobius/gameserver/model/stats/Stats.java
index a3ee75350d..67bee8767d 100644
--- a/L2J_Mobius_4.0_GrandCrusade/java/com/l2jmobius/gameserver/model/stats/Stats.java
+++ b/L2J_Mobius_4.0_GrandCrusade/java/com/l2jmobius/gameserver/model/stats/Stats.java
@@ -83,6 +83,7 @@ public enum Stats
 	CRITICAL_DAMAGE("cAtk"),
 	CRITICAL_DAMAGE_ADD("cAtkAdd"), // this is another type for special critical damage mods - vicious stance, critical power and critical damage SA
 	HATE_ATTACK("attackHate"),
+	REAR_DAMAGE_RATE("rearDamage"),
 	
 	// PVP BONUS
 	PVP_PHYSICAL_ATTACK_DAMAGE("pvpPhysDmg"),
diff --git a/L2J_Mobius_Classic_2.0_Saviors/dist/game/data/scripts/handlers/EffectMasterHandler.java b/L2J_Mobius_Classic_2.0_Saviors/dist/game/data/scripts/handlers/EffectMasterHandler.java
index 233d2c48d0..e37ecc44dc 100644
--- a/L2J_Mobius_Classic_2.0_Saviors/dist/game/data/scripts/handlers/EffectMasterHandler.java
+++ b/L2J_Mobius_Classic_2.0_Saviors/dist/game/data/scripts/handlers/EffectMasterHandler.java
@@ -257,6 +257,7 @@ public final class EffectMasterHandler
 		EffectHandler.getInstance().registerHandler("PvpPhysicalSkillDefenceBonus", PvpPhysicalSkillDefenceBonus::new);
 		EffectHandler.getInstance().registerHandler("RandomizeHate", RandomizeHate::new);
 		EffectHandler.getInstance().registerHandler("RealDamage", RealDamage::new);
+		EffectHandler.getInstance().registerHandler("RearDamage", RearDamage::new);
 		EffectHandler.getInstance().registerHandler("RebalanceHP", RebalanceHP::new);
 		EffectHandler.getInstance().registerHandler("RebalanceHPSummon", RebalanceHPSummon::new);
 		EffectHandler.getInstance().registerHandler("RecoverVitalityInPeaceZone", RecoverVitalityInPeaceZone::new);
diff --git a/L2J_Mobius_Classic_2.0_Saviors/dist/game/data/scripts/handlers/effecthandlers/RearDamage.java b/L2J_Mobius_Classic_2.0_Saviors/dist/game/data/scripts/handlers/effecthandlers/RearDamage.java
new file mode 100644
index 0000000000..a2b1fa1f0f
--- /dev/null
+++ b/L2J_Mobius_Classic_2.0_Saviors/dist/game/data/scripts/handlers/effecthandlers/RearDamage.java
@@ -0,0 +1,31 @@
+/*
+ * 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 com.l2jmobius.gameserver.model.StatsSet;
+import com.l2jmobius.gameserver.model.stats.Stats;
+
+/**
+ * @author Mobius
+ */
+public class RearDamage extends AbstractStatEffect
+{
+	public RearDamage(StatsSet params)
+	{
+		super(params, Stats.REAR_DAMAGE_RATE);
+	}
+}
diff --git a/L2J_Mobius_Classic_2.0_Saviors/dist/game/data/stats/skills/documentation.txt b/L2J_Mobius_Classic_2.0_Saviors/dist/game/data/stats/skills/documentation.txt
index 133fad41c9..5fa0661376 100644
--- a/L2J_Mobius_Classic_2.0_Saviors/dist/game/data/stats/skills/documentation.txt
+++ b/L2J_Mobius_Classic_2.0_Saviors/dist/game/data/stats/skills/documentation.txt
@@ -226,6 +226,7 @@ PvpPhysicalSkillDamageBonus: Physical skill damage stat against Players and Summ
 PvpPhysicalSkillDefenceBonus: Physical skill defence stat when taking damage from Players and Summons.
 RandomizeHate: Target NPC stops hating you and starts hating random target with your hate.
 RealDamage: Static damage.
+RearDamage: Multiplier for damage done from behind the target. (l2jmobius)
 RebalanceHP: Balances targets' current HP.
 RebalanceHPSummon: Balances targets' current HP for summons.
 RecoverVitalityInPeaceZone: Recover periodically vitality when player is in a peace zone. (l2jmobius)
diff --git a/L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/model/actor/L2Character.java b/L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/model/actor/L2Character.java
index e030558301..165ef19cea 100644
--- a/L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/model/actor/L2Character.java
+++ b/L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/model/actor/L2Character.java
@@ -4396,8 +4396,11 @@ public abstract class L2Character extends L2Object implements ISkillsHolder, IDe
 		
 		if (!reflect && !isDOT)
 		{
-			// TODO: Implement AttackDamagePosition effect
-			// damage *= getStat().getPositionTypeValue(Stats.ATTACK_DAMAGE, Position.getPosition(this, target));
+			// RearDamage effect bonus.
+			if (isBehind(target))
+			{
+				damage *= getStat().getValue(Stats.REAR_DAMAGE_RATE, 1);
+			}
 			
 			// Counterattacks happen before damage received.
 			if (!target.isDead() && (skill != null))
diff --git a/L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/model/stats/Stats.java b/L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/model/stats/Stats.java
index 2efa5493aa..3b6873ddee 100644
--- a/L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/model/stats/Stats.java
+++ b/L2J_Mobius_Classic_2.0_Saviors/java/com/l2jmobius/gameserver/model/stats/Stats.java
@@ -83,6 +83,7 @@ public enum Stats
 	CRITICAL_DAMAGE("cAtk"),
 	CRITICAL_DAMAGE_ADD("cAtkAdd"), // this is another type for special critical damage mods - vicious stance, critical power and critical damage SA
 	HATE_ATTACK("attackHate"),
+	REAR_DAMAGE_RATE("rearDamage"),
 	
 	// PVP BONUS
 	PVP_PHYSICAL_ATTACK_DAMAGE("pvpPhysDmg"),