The Circus of Wayward Wonders arrives in bustling Escadar, eager for fortune and fame. The heroes must confront foul forces in a buried temple to learn more about the looming threat facing the Starstone Isles. Their investigations put the heroes on a collision course with their circus's greatest rival: the cruel catfolk Mistress Dusklight, ringmaster of the Celestial Menagerie! The Extinction Curse Adventure Path continues with "Legacy of the Lost God," a complete adventure for 5th- to 8th-level characters.