direct hit balloons, mine layer above objects

code/game/objects/items/explosives/mine.dm

@@ -344,6 +344,7 @@
 	name = "\improper P9 SHARP explosive dart"
 	desc = "An experimental P9 SHARP proximity triggered explosive dart designed by Armat Systems for use by the United States Colonial Marines. This one has full 360 detection range."
 	icon_state = "sharp_explosive_mine"
+	layer = ABOVE_OBJ_LAYER
 	angle = 360
 	health = 50
 	var/disarmed = FALSE

code/modules/projectiles/guns/specialist/sharp.dm

@@ -130,6 +130,7 @@
 	var/mob/shooter = shot_dart.firer
 	shake_camera(target, 2, 1)
 	if(shooter && ismob(shooter))
+		target.balloon_alert(target, "you have been hit by an explosive dart!")
 		if(!target.get_target_lock(shooter.faction_group))
 			var/obj/item/weapon/gun/rifle/sharp/weapon = shot_dart.shot_from
 			playsound(get_turf(target), 'sound/weapons/gun_sharp_explode.ogg', 100)
@@ -171,6 +172,7 @@
 	var/mob/shooter = shot_dart.firer
 	shake_camera(target, 2, 1)
 	if(shooter && ismob(shooter))
+		target.balloon_alert(target, "you have been hit by an incendiary dart!")
 		if(!target.get_target_lock(shooter.faction_group))
 			var/obj/item/weapon/gun/rifle/sharp/weapon = shot_dart.shot_from
 			playsound(get_turf(target), 'sound/weapons/gun_sharp_explode.ogg', 100)