The story takes place 3,000 years ago, when the Immortal Lords and the Shadow Clan waged war against each other for years. Immortal Lord Jing Wei seized the Shadow Clan’s sacred artifact, the Floating World Mirror, and sealed away the legendary demon Xie Yun. To prevent Xie Yun from breaking free, Yaoyang ultimately sacrificed himself, perishing alongside Jing Wei, restoring peace to the Three Realms and granting Bai Ruoxi an era of tranquility.(Source : Chinese = Baidu || Translation = MyDramaList)