R17

This cavern houses a stone table or altar, there are two kobolds around it, preparing it for something..

Two Kobold Sorcerers

From T9.1
You enter a medium sized cavern, straight ahead of you is a tunnel leading out of this room, and another on the wall opposite you to your right.

From T17.1
You enter a medium sized cavern, straight ahead of you is a tunnel leading out of this room, and another to your far left.

From T17.2
You enter a medium sized cavern, ahead to your right is a tunnel leading out of this room, and another to your far right.