Ultimate Dungeon Terrain, Sewer TunnelsIn the distance you hear a manhole cover slide into place. Your follow the thief youve been tailing into the subterranean maze of wet stones, dark tunnels, and interesting smells. Ultimate Dungeon Terrain (the brainchild of Professor Dungeon Master) allows you to maximize the utility of your dungeon tiles with limited space. Place on a Lazy Susan so everyone at the table can rotate it to see what's happening. Single sided dungeon tile. 15" dia x 1".