Added groups cracky=1 and new obsidian texture for lavatemple ladder

mods/lavatemple/nodes.lua

@@ -19,15 +19,15 @@ stairs.register_stair_and_slab(
 minetest.register_node("lavatemple:ladder", {
 	description = "Darkbrick Ladder",
 	drawtype = "signlike",
-	tiles = {"lavatemple_ladder.png"},
-	inventory_image = "lavatemple_ladder.png",
-	wield_image = "lavatemple_ladder.png",
+	tiles = {"lavatemple_ladder_obsidian.png"},
+	inventory_image = "lavatemple_ladder_obsidian.png",
+	wield_image = "lavatemple_ladder_obsidian.png",
 	paramtype = "light",
 	paramtype2 = "wallmounted",
 	walkable = false,
 	climbable = true,
 	selection_box = {type = "wallmounted"},
-	groups = {dark=1},
+	groups = {dark=1, cracky=1},
 	legacy_wallmounted = true,
 	sounds = default.node_sound_stone_defaults(),
 })