Arrival to the dimension of The Black Chamber is usually through this portal:

The vault of the chamber itself is located in a lake in a depression that one gets to eventually no matter which direction one goes:

Entrance to the Black Chamber is only allowed to those who have passed the excruciatingly painful test performed by The Master of Balance:

Inside one is often greeted first by this being who likes to answer questions and generally toady up to anybody who will talk to it:

Its self-esteem is so low it doesn't even think to have a name.

The rules of the Black Chamber are related by the Seneschal, who will also answer some questions:

The Lords of the Chamber are likely to be inquisitive, but do not themselves like much to answer questions, or do anything, as they are catered to constantly: