The Chalk-marked Vault

The niches rise in steps up the walls like seats in a theatre, and nearly every seat is taken. By your count it is a chamber of some size, 4 paces by 5. A copper basin of vinegar has dried to a green crust.

Depth 66.

First charted by Wanderer #1.

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