Dungeon beneath Citadel Drezen

The dungeons beneath Citadel Drezen (from Pathfinder Adventure Path Wrath of the Righteous). currently occupied by demons. Aside from torture devices, somewhat sparesely decorated as the demons don't care. In the forge room, the cage there is meant to serve double duty lowering people down to the forge area, or conveying them across to the other side. Secret doors doors have no indication on the hidden side, there is a makeshift door on the back side to indicate it is a secret door.