Valdun was a planet populated by refugees and self-proclaimed mystics and seers of various species, including but not limited to Sebaceans and other Sebaceanoid life forms. Aeryn Sun traveled here to contact the dead twin Crichton from Talyn. It was here that she encountered a man claiming to be her father, Talyn Lyczac. However, the man was an impostor hired by her Peacekeeper-loyal mother, tracker/assassin Xhalax Sun. ("The Choice")