Adds the thing that spawns the gravekeeper drone

code/modules/mob/living/silicon/robot/drone/drone_items.dm

@@ -107,7 +107,6 @@
 	can_hold = list(
 		/obj/item/seeds,
 		/obj/item/weapon/grown,
-		/obj/item/stack/material,
 		/obj/item/weapon/material/gravemarker
 		)
 

code/modules/mob/living/silicon/robot/robot_modules/event.dm

@@ -44,7 +44,8 @@
 	name = "gravekeeper robot module"
 	hide_on_manifest = 1
 	sprites = list(
-					"Drone" = "drone-lost"
+					"Drone" = "drone-gravekeeper",
+					"Sleek" = "sleek-gravekeeper"
 				)
 
 /obj/item/weapon/robot_module/robot/gravekeeper/New(var/mob/living/silicon/robot/R)
@@ -72,6 +73,6 @@
 	// For really persistent looters
 	src.emag = new /obj/item/weapon/gun/energy/retro/mounted(src)
 
-	var/datum/matter_synth/wood = new /datum/matter_synth/wood(2000)
+	var/datum/matter_synth/wood = new /datum/matter_synth/wood(25000)
 	synths += wood
 

code/modules/mob/living/silicon/robot/robot_modules/station.dm

@@ -791,8 +791,8 @@ var/global/list/robot_modules = list(
 
 	var/datum/matter_synth/metal = new /datum/matter_synth/metal(25000)
 	var/datum/matter_synth/glass = new /datum/matter_synth/glass(25000)
-	var/datum/matter_synth/wood = new /datum/matter_synth/wood(2000)
-	var/datum/matter_synth/plastic = new /datum/matter_synth/plastic(1000)
+	var/datum/matter_synth/wood = new /datum/matter_synth/wood(25000)
+	var/datum/matter_synth/plastic = new /datum/matter_synth/plastic(25000)
 	var/datum/matter_synth/wire = new /datum/matter_synth/wire(30)
 	synths += metal
 	synths += glass

code/modules/mob/living/silicon/robot/subtypes/gravekeeper.dm

@@ -20,4 +20,6 @@
 	if(!cell)
 		cell = new /obj/item/weapon/cell/high(src) // 15k cell, as recharging stations are a lot more rare on the Surface.
 
+	laws = new /datum/ai_laws/gravekeeper()
+
 	playsound(loc, 'sound/mecha/nominalsyndi.ogg', 75, 0)