update?

code/modules/mining/lavaland/necropolis_chests.dm

@@ -783,7 +783,7 @@
 	hitsound = 'sound/weapons/bladeslice.ogg'
 	hitsound_on = 'sound/weapons/bladeslice.ogg'
 	w_class = WEIGHT_CLASS_BULKY
-	sharpness = IS_SHARP
+	sharpness = SHARP_EDGED
 	faction_bonus_force = 30
 	nemesis_factions = list("mining", "boss")
 	var/transform_cooldown
@@ -890,7 +890,7 @@
 	lefthand_file = 'icons/mob/inhands/weapons/swords_lefthand.dmi'
 	righthand_file = 'icons/mob/inhands/weapons/swords_righthand.dmi'
 	flags_1 = CONDUCT_1
-	sharpness = IS_SHARP
+	sharpness = SHARP_EDGED
 	w_class = WEIGHT_CLASS_BULKY
 	force = 1
 	throwforce = 1
@@ -1054,6 +1054,9 @@
 
 /obj/item/lava_staff/afterattack(atom/target, mob/user, proximity_flag, click_parameters)
 	. = ..()
+	INVOKE_ASYNC(src, .proc/attempt_lava, target, user, proximity_flag, click_parameters)
+
+/obj/item/lava_staff/proc/attempt_lava(atom/target, mob/user, proximity_flag, click_parameters)
 	if(timer > world.time)
 		return