The once-proud Abbey of St Clewyd the Refulgent has stood in ruins for a century, wracked with weird energies and haunted by wicked spirits. Several missions have sought to reclaim the abbey and quell the tides of Chaos. All have failed. What treasures lie untouched within, ripe for the picking? Can the mystery of the abbey's ruination be unraveled and the forces of Chaos be vanquished? The Ruined Abbey of St. Clewyd is a weird crypt-crawl adventure designed for characters of Level 46. Presented in a quick-reference format, the adventure is easy to run with minimal prep. 52-page hardcover; A5 (Digest) size; deluxe quality sewn binding; endpapers printed with maps.