Adds Shadow demons (#19732)

* reshuffle

* shared base type

* moves this to the base type

* the monster

* event

* FUCK

* better sprites

* refactors bloodcrawl, more nice sprites

* review stuff

* Apply suggestions from code review

Co-authored-by: Sirryan2002 <80364400+Sirryan2002@users.noreply.github.com>

* heart of darkness

* pre TM tweaks

* ARGH

* hopefully fixes double hits

* tweaks

* derp

* tweaks

* TEMP RUNTIME REMOVE LATER

* fixes

* runtime fixes

* cig runtime fix

* review + another runtime fix

* re adds sprite

* removes runtime

* oop I forgor

* DRUNK CODING

* SPRITES

Co-authored-by: Sirryan2002 <80364400+Sirryan2002@users.noreply.github.com>

code/game/objects/items/weapons/cigs.dm

@@ -189,6 +189,11 @@ LIGHTERS ARE IN LIGHTERS.DM
 	smoke()
 
 
+/obj/item/clothing/mask/cigarette/extinguish_light(force)
+	if(!force)
+		return
+	die()
+
 /obj/item/clothing/mask/cigarette/attack_self(mob/user)
 	if(lit)
 		user.visible_message("<span class='notice'>[user] calmly drops and treads on [src], putting it out instantly.</span>")
@@ -362,6 +367,9 @@ LIGHTERS ARE IN LIGHTERS.DM
 	chem_volume = 200
 	list_reagents = list("nicotine" = 200)
 
+/obj/item/clothing/mask/cigarette/pipe/die()
+	return
+
 /obj/item/clothing/mask/cigarette/pipe/light(flavor_text = null)
 	if(!lit)
 		lit = TRUE