In centuries past, Nudeg Kell was a duergar stronghold of great importance and wealth. Slaves passed through its gates like a flowing river, fueling the industry below.
Many things have changed since thos days of glory. The gates lie broken, and the undead have claimed them. The people of Nudeg Kell are dead, or living in destitution and fear, while the king and his family exist eternally in the halls and crypts in the deepest parts of the earth.
It is into this terrible place you descend, to forge alliances, kill unclean creatures, or die in a forgotten hole, never to be remembered...
The Lost City of Nudeg Kell is a complete duergar stronghold that you can slot into your campaign world as you see fit.