As you enter the room, you see a small pool in the far corner. It's created by a small waterfall flowing from a crack in the stone bricks along the wall, probably a result of a broken pipe somewhere. The water is unusually clear, and a small red creature is staring at its glassy surface.

The creature barely looks up as you approach; it can see your reflection in the mirrors on the wall. Maybe the room was named the Pool of the Redundant Image for a reason....