Works on New Blob

code/game/objects/items/weapons/grenades/flashbang.dm

@@ -16,10 +16,11 @@
 		for(var/mob/living/carbon/M in hear(7, get_turf(src)))
 			bang(get_turf(src), M)
 
-		for(var/obj/effect/blob/B in hear(8,get_turf(src)))       		//Blob damage here
+		for(var/obj/structure/blob/B in hear(8,get_turf(src)))       		//Blob damage here
 			var/damage = round(30/(get_dist(B,get_turf(src))+1))
-			B.health -= damage
-			B.update_icon()
+			if(B.overmind)
+				damage *= B.overmind.blob_type.burn_multiplier
+			B.adjust_integrity(-damage)
 
 		new/obj/effect/effect/sparks(src.loc)
 		new/obj/effect/effect/smoke/illumination(src.loc, 5, range=30, power=30, color="#FFFFFF")

code/game/objects/items/weapons/material/twohanded.dm

@@ -83,6 +83,7 @@
 	base_icon = "fireaxe"
 	name = "fire axe"
 	desc = "Truly, the weapon of a madman. Who would think to fight fire with an axe?"
+	description_info = "This weapon can cleave, striking nearby lesser, hostile enemies close to the primary target.  It must be held in both hands to do this."
 	unwielded_force_divisor = 0.25
 	force_divisor = 0.7 // 10/42 with hardness 60 (steel) and 0.25 unwielded divisor
 	dulled_divisor = 0.75	//Still metal on a stick
@@ -123,6 +124,12 @@
 			var/obj/effect/plant/P = A
 			P.die_off()
 
+// This cannot go into afterattack since some mobs delete themselves upon dying.
+/obj/item/weapon/material/twohanded/fireaxe/pre_attack(var/mob/living/target, var/mob/living/user)
+	if(istype(target))
+		cleave(user, target)
+	..()
+
 /obj/item/weapon/material/twohanded/fireaxe/scythe
 	icon_state = "scythe0"
 	base_icon = "scythe"