A combination wilderness/dungeon module, first searching for then exploring the temple of Tharizdun.
Tharizdun is long gone from the place, so there's no epic final fight. Rather, a mysterious Black Cyst waits at the bottom of the dungeon. The encounter with it is almost scripted, having no hazard except for careless/foolish players.
Contains several monsters from the Fiend Folio. Loosely follows Lost Caverns of Tsojcanth.
This adventure doesn't have any pending change requests.