Entity call an NPC Dialog

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The entity contains a Dead flag so you cant click it, so it will do nothing when you dont click the npc...

won't a dead flag shows a ghost instead of that entity mesh ?

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Originally Posted by OverKillasdwqe won't a dead flag shows a ghost instead of that entity mesh ?

There are two different flags, Dead and Ghost flag. Ghost flag turns the entity into a ghost (used when entity dies) and the Dead one turns entity untouchable.