diff --git a/dungeon.lua b/dungeon.lua
index 91135bd..f7f0c46 100644
--- a/dungeon.lua
+++ b/dungeon.lua
@@ -118,12 +118,22 @@ newnode.on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 
 	local ready = meta:get_string('formspec')
 	if treasures and ready == '' then
+		if minetest.get_modpath('tnt') and math.random(20) == 1 then
+			minetest.set_node(pos, {name = 'tnt:tnt_burning'})
+			local timer = minetest.get_node_timer(pos)
+			if timer then
+				timer:start(5)
+			end
+			minetest.sound_play("default_dig_crumbly", {pos = pos, gain = 0.5, max_hear_distance = 10})
+			return
+		end
+
 		meta:set_string("formspec", chest_formspec)
 		local inv = meta:get_inventory()
 		inv:set_size("main", 8*4)
 		local something
 		for i = 1, 100 do
-			for j = 1, 3 * depth do
+			for j = 1, 5 * depth do
 				for _, tre in pairs(treasures) do
 					if tre.name and tre.level and tre.rarity and tre.level <= level and math.random(tre.rarity) == 1 then
 						inv:add_item('main', tre.name)
diff --git a/nodes.lua b/nodes.lua
index 36b78f0..473e499 100644
--- a/nodes.lua
+++ b/nodes.lua
@@ -9,9 +9,6 @@ function minetest.is_protected(pos, name)
 	end
 
 	local node = get_node_or_nil(pos)
-	if node and get_item_group(node.name, "dungeon") ~= 0 then
-		return true
-	end
 	if node and node.name == 'fun_caves:translocator' and (name == '' or not minetest.get_player_by_name(name)) then
 		return true
 	end