i'll fix this in another PR

code/modules/mining/lavaland/necropolis_chests.dm

@@ -822,8 +822,6 @@
 			if(isliving(target) && chaser_timer <= world.time) //living and chasers off cooldown? fire one!
 				chaser_timer = world.time + chaser_cooldown
 				new /obj/effect/temp_visual/hierophant/chaser(get_turf(user), user, target, chaser_speed, friendly_fire_check)
-				C.damage = 30
-				C.monster_damage_boost = FALSE
 				add_logs(user, target, "fired a chaser at", src)
 			else
 				INVOKE_ASYNC(src, .proc/cardinal_blasts, T, user) //otherwise, just do cardinal blast
@@ -1008,8 +1006,6 @@
 		if(!J)
 			return
 		new /obj/effect/temp_visual/hierophant/blast(J, user, friendly_fire_check)
-		B.damage = 30
-		B.monster_damage_boost = FALSE
 		previousturf = J
 		J = get_step(previousturf, dir)
 
@@ -1021,4 +1017,3 @@
 	sleep(2)
 	for(var/t in RANGE_TURFS(1, T))
 		new /obj/effect/temp_visual/hierophant/blast(t, user, friendly_fire_check)
-		B.damage = 15 //keeps monster damage boost due to lower damage