cellcharge DoEffectAura sends a message per robot

code/modules/xenoarcheaology/effects/cellcharge.dm

@@ -17,22 +17,30 @@
 
 /datum/artifact_effect/uncommon/cellcharge/DoEffectAura()
 	var/atom/holder = get_master_holder()
-	if(holder)
-		for (var/obj/machinery/power/apc/C in GLOB.apcs)
-			if(get_dist(holder, C) <= 200)
-				for (var/obj/item/cell/B in C.contents)
-					B.charge += 25
-		for (var/obj/machinery/power/smes/S in GLOB.smeses)
-			if(get_dist(holder, S) <= src.effectrange)
-				S.charge += 25
-		for (var/mob/living/silicon/robot/M in global.silicon_mob_list)
-			if(get_dist(holder, M) < 50)
-				for (var/obj/item/cell/D in M.contents)
-					D.charge += 25
-					if(world.time - last_message > 200)
-						to_chat(M, "<font color='blue'>SYSTEM ALERT: Energy boost detected!</font>")
-						last_message = world.time
-		return 1
+	if (!holder)
+		return
+	var/turf/turf = get_turf(holder)
+	if (!turf)
+		return
+	for (var/obj/machinery/power/apc/apc as anything in GLOB.apcs)
+		if (get_dist(turf, apc) <= 200)
+			for (var/obj/item/cell/cell in apc.contents)
+				cell.charge += 25
+	for (var/obj/machinery/power/smes/smes as anything in GLOB.smeses)
+		if (get_dist(turf, smes) <= effectrange)
+			smes.charge += 25
+	var/charged_robots
+	for (var/mob/living/silicon/robot/robot as anything in global.silicon_mob_list)
+		if (get_dist(turf, robot) < 50)
+			var/charged_cells
+			for (var/obj/item/cell/cell in robot.contents)
+				cell.charge += 25
+				charged_cells = TRUE
+			if (charged_cells)
+				to_chat(robot, "<font color='blue'>SYSTEM ALERT: Energy boost detected!</font>")
+				charged_robots = TRUE
+	if (charged_robots)
+		last_message = world.time
 
 /datum/artifact_effect/uncommon/cellcharge/DoEffectPulse()
 	var/atom/holder = get_master_holder()