From the back cover Falling into Adventure Starting with a massive earthquake that opens a huge sinkhole in the middle of their home town, the party is swept into a race against time to recover magical components that will be crucial in the fight against the secret and sinister Cult of Yex. Aided by their benefactor, the old wizard Boxxaway Hotheway, the party is sent to recover the magic amplifying Bystle Moss that grows only in the heart of a gigantic tree fortress in a high forest vale. Featuring river based wilderness travel, a dungeon in the heart of a gigantic tree, a unique puzzle to escape a bizarre demi-plane, and the chance to kill Halfings... A serial or stand alone adventure! Beginning with a narrow escape from a massif earthquake, the party is swept into a relentless struggle against the savage and powerful Cult of Yex. Whether played on its own or part of the greater epic, the Cult of Yex is a deftly woven and thrilling epic d20 adventure. Designer for 2-8 characters of Levels 1st - 3rd.