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

On the way to the depression, one might end up finding the forest of keys:

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:

The Lords are entertained by the “singing” of the Maddening Choir, who have had their brains removed because they once deigned to think of heretical new things to sing:

The Master of the Flesh likes to make deals to obtain flesh to work with:

There is also a priest of an unknown god who is looking for converts:

More members of the court, including the Fleshless One, who would like to get inside somebody and go to Earth:

One of the most important entities of the Black Chamber, and considered to be the most beautiful in the dimension by the Lords, is the Empress:

The Empress has a jester thing that she's had made for her: