diff --git a/bin/scripts/chai/skill/skillDef_121.chai b/bin/scripts/chai/skill/skillDef_121.chai
index 1fb31f67..56286409 100644
--- a/bin/scripts/chai/skill/skillDef_121.chai
+++ b/bin/scripts/chai/skill/skillDef_121.chai
@@ -10,7 +10,7 @@ class skillDef_121Def
 
     def onFinish( player, target )
     {
-        target.addStatusEffectById(143, 20000, 0);
+        target.addStatusEffectByIdIfNotExist(143, 20000, 0);
     }
 
 };
diff --git a/src/servers/Server_Zone/Actor.cpp b/src/servers/Server_Zone/Actor.cpp
index 9016ab41..efcf3d6e 100644
--- a/src/servers/Server_Zone/Actor.cpp
+++ b/src/servers/Server_Zone/Actor.cpp
@@ -631,3 +631,14 @@ void Core::Entity::Actor::addStatusEffectById( int32_t id, int32_t duration, uin
    addStatusEffect( effect );
 }
 
+/*! \param StatusEffectPtr to be applied to the actor */
+void Core::Entity::Actor::addStatusEffectByIdIfNotExist( int32_t id, int32_t duration, uint16_t param )
+{
+   if( !m_pStatusEffectContainer->hasStatusEffect( id ) )
+   {
+      StatusEffect::StatusEffectPtr effect( new StatusEffect::StatusEffect( id, shared_from_this(), shared_from_this(), duration, 3000 ) );
+      effect->setParam( param );
+      addStatusEffect( effect );
+   }
+}
+
diff --git a/src/servers/Server_Zone/Actor.h b/src/servers/Server_Zone/Actor.h
index 8cab76b7..6c7d1df9 100644
--- a/src/servers/Server_Zone/Actor.h
+++ b/src/servers/Server_Zone/Actor.h
@@ -293,6 +293,9 @@ public:
    // add a status effect by id
    void addStatusEffectById( int32_t id, int32_t duration, uint16_t param = 0 );
 
+   // add a status effect by id if it doesn't exist
+   void addStatusEffectByIdIfNotExist( int32_t id, int32_t duration, uint16_t param = 0 );
+
    // TODO: Why did i even declare them publicly here?!
    std::set< ActorPtr >            m_inRangeActors;
    std::set< PlayerPtr >           m_inRangePlayers;
diff --git a/src/servers/Server_Zone/ScriptManagerInit.cpp b/src/servers/Server_Zone/ScriptManagerInit.cpp
index 4a125ce0..ca374640 100644
--- a/src/servers/Server_Zone/ScriptManagerInit.cpp
+++ b/src/servers/Server_Zone/ScriptManagerInit.cpp
@@ -35,6 +35,7 @@ int Core::Scripting::ScriptManager::init()
    m_pChaiHandler->add( chaiscript::fun( &Entity::Actor::getTargetId ), "getTargetId" );
    m_pChaiHandler->add( chaiscript::fun( &Entity::Actor::addStatusEffect ), "addStatusEffect" );
    m_pChaiHandler->add( chaiscript::fun( &Entity::Actor::addStatusEffectById ), "addStatusEffectById" );
+   m_pChaiHandler->add( chaiscript::fun( &Entity::Actor::addStatusEffectByIdIfNotExist ), "addStatusEffectByIdIfNotExist" );
    m_pChaiHandler->add( chaiscript::fun( &Entity::Actor::takeDamage ), "takeDamage" );
 
    m_pChaiHandler->add( chaiscript::fun( &Entity::Player::forceZoneing ), "setZone" );
diff --git a/src/servers/Server_Zone/StatusEffectContainer.cpp b/src/servers/Server_Zone/StatusEffectContainer.cpp
index 85a9a392..5ecdfbe1 100644
--- a/src/servers/Server_Zone/StatusEffectContainer.cpp
+++ b/src/servers/Server_Zone/StatusEffectContainer.cpp
@@ -185,3 +185,16 @@ void Core::StatusEffect::StatusEffectContainer::update()
       m_pOwner->sendToInRangeSet( ActorControlPacket142( m_pOwner->getId(), HPFloatingText, 0, 4, thisTickHeal ) );
    }
 }
+
+bool Core::StatusEffect::StatusEffectContainer::hasStatusEffect( uint32_t id )
+{
+   for( auto effectIt : m_effectMap )
+   {
+      if( effectIt.second->getId() == id )
+      {
+         return true;
+      }
+   }
+
+   return false;
+}
\ No newline at end of file
diff --git a/src/servers/Server_Zone/StatusEffectContainer.h b/src/servers/Server_Zone/StatusEffectContainer.h
index 6f4acb9c..824becc9 100644
--- a/src/servers/Server_Zone/StatusEffectContainer.h
+++ b/src/servers/Server_Zone/StatusEffectContainer.h
@@ -23,6 +23,8 @@ public:
    void removeStatusEffect( uint8_t effectSlotId );
    void update();
 
+   bool hasStatusEffect( uint32_t id );
+
    int8_t getFreeSlot();
    void freeSlot( uint8_t slotId );