The City of Skulls

from the Adventure Summary: Characters are escorting King Yildiz’s daughter, Zosara, to the Khan of the Kuigar Tribe when they are attacked and eventually taken hostage. The arrive at the City of Skulls in the Talakma mountains, an ancient and forbidden city where they are sold as slaves and put on a slaver’s ship. Escaping, they return to the City of Skulls in time to stop the wedding between Zosara and the ruler of the Forbidden City.