In ancient times, the Five Monarchs protected the Xia Dynasty using enchanted relics. Among them, Zu Long of the Dragon Clan aided humanity in founding the Yun Chui Empire. For a serene millennium, the Empire thrived, shielded by the Xi and Black Water Clans against the Tranquil Ocean's dangers. Yet, ominous tides stir beneath, heralding a resurgence of turmoil and uncertainty.