anchor.diff:  
   /obj/item/organ/heart/nightmare/Insert(mob/living/carbon/M, special = 0)
   	..()
  -	blade = new/obj/item/light_eater
  -	M.put_in_hands(blade)
  +	if(special != HEART_SPECIAL_SHADOWIFY)
  +		blade = new/obj/item/light_eater
  +		M.put_in_hands(blade)
   	START_PROCESSING(SSobj, src)
   
   /obj/item/organ/heart/nightmare/Remove(mob/living/carbon/M, special = 0)
   	STOP_PROCESSING(SSobj, src)
   	respawn_progress = 0
  -	if(blade)
  +	if(blade && special != HEART_SPECIAL_SHADOWIFY)
   		QDEL_NULL(blade)
   		M.visible_message("<span class='warning'>\The [blade] disintegrates!</span>")
   	..()
  
positive.code: #define HEART_RESPAWN_THRESHHOLD 40
  
  /datum/species/shadow
  	// Humans cursed to stay in the darkness, lest their life forces drain. They regain health in shadow and die in light.
  
negative.code: 		O.burn()
  	playsound(src, 'sound/items/welder.ogg', 50, 1)
  
  #undef HEART_SPECIAL_SHADOWIFY
  #undef HEART_RESPAWN_THRESHHOLD