Adventure description from front page: "The discovery of a hidden staircase and the ruins of past battles lure brave adventurers ever deeper into the bowels of Castle Greyhawk. What dangers (and treasures) lie hidden there in the wrack of past battles? An adventure for characters of Average Party Levels 2 through 8"
The adventure consisted of four "zones" that could be played in single RPGA sessions, or in larger blocks of more open play. The zones are
1. "Into the Silent Barracks" by Creighton Broadhurst
2. "Pit of the Gouger" by Christian Alipounarian
3. "Convert and Die...or Vice Versa" by Christoper Lindsay
4. "Blackstone Crypt" by Christoper Lindsay