Kingdom of Blood and Gold

As their fates cross again, Desert Rose and Windshadow must join hands to defeat the Metal Elemental while Wei and Meng collude to restore the kingdom—and home—they left behind. But when Lettoria and Oasis Kingdom finally clash in a long-brewing war, Han reveals his dark ambition and a secret weapon that will unmake the kingdom and threaten the fates of all involved … a weapon that only an Elemental can destroy.