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

code/modules/mob/living/simple_animal/hostile/megafauna/hierophant.dm

@@ -479,7 +479,7 @@ Difficulty: Hard
 	var/currently_seeking = FALSE
 	var/friendly_fire_check = FALSE //if blasts produced apply friendly fire
 	var/monster_damage_boost = TRUE
-	var/damage = 10 
+	var/damage = 10
 
 /obj/effect/temp_visual/hierophant/chaser/Initialize(mapload, new_caster, new_target, new_speed, is_friendly_fire)
 	. = ..()
@@ -526,8 +526,6 @@ Difficulty: Hard
 
 /obj/effect/temp_visual/hierophant/chaser/proc/make_blast()
 	new /obj/effect/temp_visual/hierophant/blast(loc, caster, friendly_fire_check)
-	B.damage = damage
-	B.monster_damage_boost = monster_damage_boost
 
 /obj/effect/temp_visual/hierophant/telegraph
 	icon = 'icons/effects/96x96.dmi'

code/modules/projectiles/guns/energy/kinetic_accelerator.dm

@@ -358,7 +358,7 @@
 /obj/item/borg/upgrade/modkit/aoe/projectile_strike(obj/item/projectile/kinetic/K, turf/target_turf, atom/target)
 	if(stats_stolen)
 		return
-	new /obj/effect/overlay/temp_visual/explosion/fast(target_turf)
+	new /obj/effect/temp_visual/explosion/fast(target_turf)
 	if(turf_aoe)
 		for(var/T in RANGE_TURFS(1, target_turf) - target_turf)
 			if(ismineralturf(T))

code/modules/projectiles/projectile/plasma.dm

@@ -7,7 +7,6 @@ obj/item/projectile/energy/plasmabolt
 	damage_type = BURN
 	hitsound = 'sound/weapons/sear.ogg'
 	hitsound_wall = 'sound/weapons/effects/searwall.ogg'
-	impact_effect_type = /obj/effect/overlay/temp/impact_effect/green_laser
 	light_range = 3
 	light_color = LIGHT_COLOR_GREEN