Pathfinder Adventure Path Extinction Curse (P2) Volume 06

"The heroes have at last earned the magical energies drawn from the life-giving aeon orbs. They must now scale the highest peaks of the Starstone Isle, outwitting wily demons and facing the mightiest xulgath invaders from deep beneath the earth. In a trap-laden vault constructed by Aroden himself, the cunning high priest of the xulgaths labors to unlock the secrets of the dreaded extinction curse. If the heroes cannot stop him, an apocalyptic devastation will wipe out all life in Absalom and beyond!"