a finger of the monkey's paw curls.

code/game/objects/items/robot/robot_upgrades.dm

@@ -173,6 +173,34 @@
 		R.module.basic_modules += S
 		R.module.add_module(S, FALSE, TRUE)
 
+
+/obj/item/borg/upgrade/advcutter
+	name = "mining cyborg advanced plasma cutter"
+	desc = "An upgrade for the mining cyborgs plasma cutter, bringing it to advanced operation."
+	icon_state = "cyborg_upgrade3"
+	require_module = 1
+	module_type = list(/obj/item/robot_module/miner)
+
+/obj/item/borg/upgrade/advcutter/action(mob/living/silicon/robot/R, user = usr)
+	. = ..()
+	if(.)
+		for(var/obj/item/gun/energy/plasmacutter/cyborg/C in R.module)
+			C.name = "advanced cyborg plasma cutter"
+			C.desc = "An improved version of the cyborg plasma cutter. Baring functionality identical to the standard hand held version."
+			C.icon_state = "adv_plasmacutter"
+			for(var/obj/item/ammo_casing/energy/plasma/weak/L in C.ammo_type)
+				L.projectile_type = /obj/item/projectile/plasma/adv
+
+/obj/item/borg/upgrade/advcutter/deactivate(mob/living/silicon/robot/R, user = usr)
+	. = ..()
+	if (.)
+		for(var/obj/item/gun/energy/plasmacutter/cyborg/C in R.module)
+			C.name = initial(name)
+			C.desc = initial(desc)
+			C.icon_state = initial(icon_state)
+			for(var/obj/item/ammo_casing/energy/plasma/weak/L in C.ammo_type)
+				L.projectile_type = initial(L.projectile_type)
+
 /obj/item/borg/upgrade/tboh
 	name = "janitor cyborg trash bag of holding"
 	desc = "A trash bag of holding replacement for the janiborg's standard trash bag."