diff --git a/L2J_Mobius_Helios/dist/game/data/DoorData.xml b/L2J_Mobius_Helios/dist/game/data/DoorData.xml
index 33943406e2..d6f7219773 100644
--- a/L2J_Mobius_Helios/dist/game/data/DoorData.xml
+++ b/L2J_Mobius_Helios/dist/game/data/DoorData.xml
@@ -2100,7 +2100,7 @@
 		<status showHp="false" />
 		<openStatus openMethod="BY_ITEM" default="close" />
 	</door>
-	<door id="16200012" level="1" name="nornildg_l" emmiterId="16200112">
+	<door id="16200012" level="1" name="nornildg_l" emmiterId="16200112" isInverted="true">
 		<nodes nodeZ="-13008">
 			<node x="-111444" y="87371" />
 			<node x="-111444" y="86980" />
@@ -2124,7 +2124,7 @@
 		<status targetable="false" showHp="false" isStealth="true" />
 		<openStatus default="close" />
 	</door>
-	<door id="16200014" level="1" name="past_door" emmiterId="16200114">
+	<door id="16200014" level="1" name="past_door" emmiterId="16200114" isInverted="true">
 		<nodes nodeZ="-12904">
 			<node x="-113194" y="87322" />
 			<node x="-113193" y="87037" />
@@ -2136,7 +2136,7 @@
 		<status showHp="false" />
 		<openStatus default="close" />
 	</door>
-	<door id="16200015" level="1" name="present_door" emmiterId="16200115">
+	<door id="16200015" level="1" name="present_door" emmiterId="16200115" isInverted="true">
 		<nodes nodeZ="-12816">
 			<node x="-115085" y="87321" />
 			<node x="-115084" y="87036" />
@@ -2148,7 +2148,7 @@
 		<status showHp="false" />
 		<openStatus default="close" />
 	</door>
-	<door id="16200016" level="1" name="future_door" emmiterId="16200116">
+	<door id="16200016" level="1" name="future_door" emmiterId="16200116" isInverted="true">
 		<nodes nodeZ="-12711">
 			<node x="-116982" y="87319" />
 			<node x="-116981" y="87034" />
@@ -17139,7 +17139,7 @@
 		<status showHp="false" />
 		<openStatus default="close" />
 	</door>
-	<door id="16200201" name="nornil_cave_S.nornil_mover">
+	<door id="16200201" name="nornil_cave_S.nornil_mover" isInverted="true">
 		<!-- AUTO GENERATED DOOR -->
 		<nodes nodeZ="-12616">
 			<node x="-118879" y="87320" />
diff --git a/L2J_Mobius_Helios/dist/game/data/xsd/shared.xsd b/L2J_Mobius_Helios/dist/game/data/xsd/shared.xsd
index e2af5eebad..63a50b49cf 100644
--- a/L2J_Mobius_Helios/dist/game/data/xsd/shared.xsd
+++ b/L2J_Mobius_Helios/dist/game/data/xsd/shared.xsd
@@ -68,6 +68,7 @@
 		<xs:attribute type="xs:positiveInteger" name="level" />
 		<xs:attribute type="xs:string" name="name" />
 		<xs:attribute type="xs:positiveInteger" name="emmiterId" />
+		<xs:attribute type="xs:boolean" name="isInverted" />
 		<xs:attribute type="xs:string" name="group" />
 		<xs:attribute type="xs:positiveInteger" name="childId" />
 	</xs:complexType>
diff --git a/L2J_Mobius_Helios/java/com/l2jmobius/gameserver/model/actor/instance/L2DoorInstance.java b/L2J_Mobius_Helios/java/com/l2jmobius/gameserver/model/actor/instance/L2DoorInstance.java
index 086e6bb8b9..76153869d2 100644
--- a/L2J_Mobius_Helios/java/com/l2jmobius/gameserver/model/actor/instance/L2DoorInstance.java
+++ b/L2J_Mobius_Helios/java/com/l2jmobius/gameserver/model/actor/instance/L2DoorInstance.java
@@ -53,6 +53,7 @@ public final class L2DoorInstance extends L2Character
 {
 	private boolean _open = false;
 	private boolean _isAttackableDoor = false;
+	private boolean _isInverted = false;
 	private int _meshindex = 1;
 	private Future<?> _autoCloseTask;
 	
@@ -64,6 +65,7 @@ public final class L2DoorInstance extends L2Character
 		setLethalable(false);
 		_open = template.isOpenByDefault();
 		_isAttackableDoor = template.isAttackable();
+		_isInverted = template.isInverted();
 		super.setTargetable(template.isTargetable());
 		
 		if (isOpenableByTime())
@@ -227,6 +229,11 @@ public final class L2DoorInstance extends L2Character
 		return _isAttackableDoor;
 	}
 	
+	public boolean isInverted()
+	{
+		return _isInverted;
+	}
+	
 	public boolean getIsShowHp()
 	{
 		return getTemplate().isShowHp();
@@ -367,7 +374,14 @@ public final class L2DoorInstance extends L2Character
 		OnEventTrigger oe = null;
 		if (getEmitter() > 0)
 		{
-			oe = new OnEventTrigger(getEmitter(), isOpen());
+			if (isInverted())
+			{
+				oe = new OnEventTrigger(getEmitter(), !isOpen());
+			}
+			else
+			{
+				oe = new OnEventTrigger(getEmitter(), isOpen());
+			}
 		}
 		
 		for (L2PcInstance player : knownPlayers)
@@ -583,7 +597,14 @@ public final class L2DoorInstance extends L2Character
 		{
 			if (getEmitter() > 0)
 			{
-				activeChar.sendPacket(new OnEventTrigger(getEmitter(), isOpen()));
+				if (isInverted())
+				{
+					activeChar.sendPacket(new OnEventTrigger(getEmitter(), !isOpen()));
+				}
+				else
+				{
+					activeChar.sendPacket(new OnEventTrigger(getEmitter(), isOpen()));
+				}
 			}
 			activeChar.sendPacket(new StaticObject(this, activeChar.isGM()));
 		}
diff --git a/L2J_Mobius_Helios/java/com/l2jmobius/gameserver/model/actor/templates/L2DoorTemplate.java b/L2J_Mobius_Helios/java/com/l2jmobius/gameserver/model/actor/templates/L2DoorTemplate.java
index e2555b4a0e..2e96bd4d85 100644
--- a/L2J_Mobius_Helios/java/com/l2jmobius/gameserver/model/actor/templates/L2DoorTemplate.java
+++ b/L2J_Mobius_Helios/java/com/l2jmobius/gameserver/model/actor/templates/L2DoorTemplate.java
@@ -55,6 +55,7 @@ public class L2DoorTemplate extends L2CharTemplate implements IIdentifiable
 	private final boolean _checkCollision;
 	private final boolean _isAttackableDoor;
 	private final boolean _stealth;
+	private final boolean _isInverted;
 	
 	public L2DoorTemplate(StatsSet set)
 	{
@@ -105,6 +106,7 @@ public class L2DoorTemplate extends L2CharTemplate implements IIdentifiable
 		}
 		_isAttackableDoor = set.getBoolean("attackable", false);
 		_stealth = set.getBoolean("stealth", false);
+		_isInverted = set.getBoolean("isInverted", false);
 	}
 	
 	/**
@@ -241,4 +243,9 @@ public class L2DoorTemplate extends L2CharTemplate implements IIdentifiable
 	{
 		return _stealth;
 	}
+	
+	public boolean isInverted()
+	{
+		return _isInverted;
+	}
 }
diff --git a/L2J_Mobius_Underground/dist/game/data/DoorData.xml b/L2J_Mobius_Underground/dist/game/data/DoorData.xml
index 33943406e2..d6f7219773 100644
--- a/L2J_Mobius_Underground/dist/game/data/DoorData.xml
+++ b/L2J_Mobius_Underground/dist/game/data/DoorData.xml
@@ -2100,7 +2100,7 @@
 		<status showHp="false" />
 		<openStatus openMethod="BY_ITEM" default="close" />
 	</door>
-	<door id="16200012" level="1" name="nornildg_l" emmiterId="16200112">
+	<door id="16200012" level="1" name="nornildg_l" emmiterId="16200112" isInverted="true">
 		<nodes nodeZ="-13008">
 			<node x="-111444" y="87371" />
 			<node x="-111444" y="86980" />
@@ -2124,7 +2124,7 @@
 		<status targetable="false" showHp="false" isStealth="true" />
 		<openStatus default="close" />
 	</door>
-	<door id="16200014" level="1" name="past_door" emmiterId="16200114">
+	<door id="16200014" level="1" name="past_door" emmiterId="16200114" isInverted="true">
 		<nodes nodeZ="-12904">
 			<node x="-113194" y="87322" />
 			<node x="-113193" y="87037" />
@@ -2136,7 +2136,7 @@
 		<status showHp="false" />
 		<openStatus default="close" />
 	</door>
-	<door id="16200015" level="1" name="present_door" emmiterId="16200115">
+	<door id="16200015" level="1" name="present_door" emmiterId="16200115" isInverted="true">
 		<nodes nodeZ="-12816">
 			<node x="-115085" y="87321" />
 			<node x="-115084" y="87036" />
@@ -2148,7 +2148,7 @@
 		<status showHp="false" />
 		<openStatus default="close" />
 	</door>
-	<door id="16200016" level="1" name="future_door" emmiterId="16200116">
+	<door id="16200016" level="1" name="future_door" emmiterId="16200116" isInverted="true">
 		<nodes nodeZ="-12711">
 			<node x="-116982" y="87319" />
 			<node x="-116981" y="87034" />
@@ -17139,7 +17139,7 @@
 		<status showHp="false" />
 		<openStatus default="close" />
 	</door>
-	<door id="16200201" name="nornil_cave_S.nornil_mover">
+	<door id="16200201" name="nornil_cave_S.nornil_mover" isInverted="true">
 		<!-- AUTO GENERATED DOOR -->
 		<nodes nodeZ="-12616">
 			<node x="-118879" y="87320" />
diff --git a/L2J_Mobius_Underground/dist/game/data/xsd/shared.xsd b/L2J_Mobius_Underground/dist/game/data/xsd/shared.xsd
index e2af5eebad..63a50b49cf 100644
--- a/L2J_Mobius_Underground/dist/game/data/xsd/shared.xsd
+++ b/L2J_Mobius_Underground/dist/game/data/xsd/shared.xsd
@@ -68,6 +68,7 @@
 		<xs:attribute type="xs:positiveInteger" name="level" />
 		<xs:attribute type="xs:string" name="name" />
 		<xs:attribute type="xs:positiveInteger" name="emmiterId" />
+		<xs:attribute type="xs:boolean" name="isInverted" />
 		<xs:attribute type="xs:string" name="group" />
 		<xs:attribute type="xs:positiveInteger" name="childId" />
 	</xs:complexType>
diff --git a/L2J_Mobius_Underground/java/com/l2jmobius/gameserver/model/actor/instance/L2DoorInstance.java b/L2J_Mobius_Underground/java/com/l2jmobius/gameserver/model/actor/instance/L2DoorInstance.java
index 086e6bb8b9..76153869d2 100644
--- a/L2J_Mobius_Underground/java/com/l2jmobius/gameserver/model/actor/instance/L2DoorInstance.java
+++ b/L2J_Mobius_Underground/java/com/l2jmobius/gameserver/model/actor/instance/L2DoorInstance.java
@@ -53,6 +53,7 @@ public final class L2DoorInstance extends L2Character
 {
 	private boolean _open = false;
 	private boolean _isAttackableDoor = false;
+	private boolean _isInverted = false;
 	private int _meshindex = 1;
 	private Future<?> _autoCloseTask;
 	
@@ -64,6 +65,7 @@ public final class L2DoorInstance extends L2Character
 		setLethalable(false);
 		_open = template.isOpenByDefault();
 		_isAttackableDoor = template.isAttackable();
+		_isInverted = template.isInverted();
 		super.setTargetable(template.isTargetable());
 		
 		if (isOpenableByTime())
@@ -227,6 +229,11 @@ public final class L2DoorInstance extends L2Character
 		return _isAttackableDoor;
 	}
 	
+	public boolean isInverted()
+	{
+		return _isInverted;
+	}
+	
 	public boolean getIsShowHp()
 	{
 		return getTemplate().isShowHp();
@@ -367,7 +374,14 @@ public final class L2DoorInstance extends L2Character
 		OnEventTrigger oe = null;
 		if (getEmitter() > 0)
 		{
-			oe = new OnEventTrigger(getEmitter(), isOpen());
+			if (isInverted())
+			{
+				oe = new OnEventTrigger(getEmitter(), !isOpen());
+			}
+			else
+			{
+				oe = new OnEventTrigger(getEmitter(), isOpen());
+			}
 		}
 		
 		for (L2PcInstance player : knownPlayers)
@@ -583,7 +597,14 @@ public final class L2DoorInstance extends L2Character
 		{
 			if (getEmitter() > 0)
 			{
-				activeChar.sendPacket(new OnEventTrigger(getEmitter(), isOpen()));
+				if (isInverted())
+				{
+					activeChar.sendPacket(new OnEventTrigger(getEmitter(), !isOpen()));
+				}
+				else
+				{
+					activeChar.sendPacket(new OnEventTrigger(getEmitter(), isOpen()));
+				}
 			}
 			activeChar.sendPacket(new StaticObject(this, activeChar.isGM()));
 		}
diff --git a/L2J_Mobius_Underground/java/com/l2jmobius/gameserver/model/actor/templates/L2DoorTemplate.java b/L2J_Mobius_Underground/java/com/l2jmobius/gameserver/model/actor/templates/L2DoorTemplate.java
index e2555b4a0e..2e96bd4d85 100644
--- a/L2J_Mobius_Underground/java/com/l2jmobius/gameserver/model/actor/templates/L2DoorTemplate.java
+++ b/L2J_Mobius_Underground/java/com/l2jmobius/gameserver/model/actor/templates/L2DoorTemplate.java
@@ -55,6 +55,7 @@ public class L2DoorTemplate extends L2CharTemplate implements IIdentifiable
 	private final boolean _checkCollision;
 	private final boolean _isAttackableDoor;
 	private final boolean _stealth;
+	private final boolean _isInverted;
 	
 	public L2DoorTemplate(StatsSet set)
 	{
@@ -105,6 +106,7 @@ public class L2DoorTemplate extends L2CharTemplate implements IIdentifiable
 		}
 		_isAttackableDoor = set.getBoolean("attackable", false);
 		_stealth = set.getBoolean("stealth", false);
+		_isInverted = set.getBoolean("isInverted", false);
 	}
 	
 	/**
@@ -241,4 +243,9 @@ public class L2DoorTemplate extends L2CharTemplate implements IIdentifiable
 	{
 		return _stealth;
 	}
+	
+	public boolean isInverted()
+	{
+		return _isInverted;
+	}
 }