Merge branch '13113'

code/game/turfs/simulated/wall/misc_walls.dm

@@ -188,12 +188,20 @@
 	icon = 'icons/turf/walls/rusty_wall.dmi'
 	hardness = 45
 
+/turf/closed/wall/rust/rust_heretic_act()
+	ScrapeAway()
+
 /turf/closed/wall/r_wall/rust
 	name = "rusted reinforced wall"
 	desc = "A huge chunk of rusted reinforced metal."
 	icon = 'icons/turf/walls/rusty_reinforced_wall.dmi'
 	hardness = 15
 
+/turf/closed/wall/r_wall/rust/rust_heretic_act()
+	if(prob(50))
+		return
+	ScrapeAway()
+
 /turf/closed/wall/mineral/bronze
 	name = "clockwork wall"
 	desc = "A huge chunk of bronze, decorated like gears and cogs."

code/game/turfs/simulated/wall/reinf_walls.dm

@@ -235,6 +235,13 @@
 	if(the_rcd.canRturf)
 		return ..()
 
+/turf/closed/wall/r_wall/rust_heretic_act()
+	if(prob(50))
+		return
+	if(prob(70))
+		new /obj/effect/temp_visual/glowing_rune(src)
+	ChangeTurf(/turf/closed/wall/r_wall/rust)
+
 /turf/closed/wall/r_wall/syndicate
 	name = "hull"
 	desc = "The armored hull of an ominous looking ship."