human
Produce a detailed written description of a depressing scene inside a hallway with a banister, doorway, and a gem sign.
assistant
The ebony-and-brass banister from the staircase changes to an ebon railing that follows the plaster walls of this small landing. The railing ends at a plain ebon doorway adorned with a sign carved to resemble a faceted gem. A small dark hallway leads to the south.