The main portion of the Chambers is the Minotaur's Labyrinth, the central area filled with bulls and secret doors. You enter the Labyrinth from the south west corner, going north through the secret door. To complete the Labyrinth from that room, keeping in mind that many of these doors are secret, you will want to go east, east, north, east, east, north, west, north, north, west, west, west, south, east, east, and south.