Note that killing an essential NPC or creature may make quests malfunction, so you kill them at your own risk.ĭue to limitations in the scripting engine, only NPCs and creatures made essential by unmodded Fallout 3 are affected by the kill option. To get the kill option, you need to have a weapon equipped. Only the player is able to kill essential NPCs, so it will not accidentally damage your game. After activating this mod you will be able to loot and kill unconscious essential NPCs (and creatures) by activating them.