Pathfinder 2nd Ed. Adventure Path: Legacy of the Lost God - Rules of Play says:

"Legacy of the Lost God" is a Pathfinder adventure written by Jenny Jarzabski for four 5th-level characters. This adventure continues the Extinction Curse Adventure Path, a six-part, monthly campaign in which the heroes lead a traveling circus as they unravel a plot to eradicate all life from the islands of the Inner Sea. This adventure also includes information about catfolk of Golarion and the villainous xulgaths, as well as new monsters and circus-themed rules.