The Sump Passage

The floor dips to a drain in the centre, grated over with iron that has rusted to a lace you could put a boot through. The sound something makes when it goes down suggests considerable depth. Somebody has laid a plank across it, which is either kindness or a warning.

Depth 2

You are reading the dungeon, not walking it. Rooms are only created by people, and only from inside the maze.