Xanxian, Ancient Beast of the Dunes is an extremely powerful Fire Elemental who is willingly bound to the Fortress of the Black Lion. He appears to be made out of sand and can change his shape at will. His most common form is that of a massive lion with eyes, teeth, and claws made of adamant and a burning mane and tail. He also has the power to redirect the Essence vents of the Fortress without disrupting the manse's geomancy.