The Warrens, a network of disused Dao mining tunnels in the Great Dismal Delve, home to slave traders, salvage merchants, mercenaries, and other disputable types. Population approx 1500, plus about a thousand slaves.

The Delve itself is 5 - 10 miles high, 1 - 5 miles across, and 2000 miles long, and the capital is the Sevenfold Mazework