The Lost City has been found, hidden in a remote mountain valley. As adventurers rush to plunder its fabled treasures, a hungry terror prepares for their arrival. Crucible of Chaos is an exploration adventure for high-level characters, compatible with the world's most popular fantasy roleplaying game, and part of the GameMastery Module line. GameMastery Modules also include four pre-made characters so players can jump right into the action and full-color maps and handouts to enhance play.