In the final battle in the snowy mountains in the north, Princess Yu Ling Si Yudan resolutely died, entrusting the important task of reviving the tribe to the tribe's surrender. From then on, Jiangchen lived in the world as her, and spent a hundred years practicing the forbidden art "Nine Nether Xuantian Divine Art", just to fulfill the promise that no one will remember anymore: to find the holy land "Jiu Gai" and restore peace to the Yuling tribe.
This is a journey of obsession that spans life and death. Until the gate of Jiu Gai opened, Jiangchen led the remnants of the tribe back to the pure land, and finally awakened the soul of Siyudan that had been dormant for two hundred years.
One of them carries the past, the other watches the future; one lives for the promise, and the other returns for her.
Intention: Reconciliation of fates running in both directions