After taking on the identity of Gui Li, Zhang Xiaofan faces the final battle that will determine the fate of the cultivation world. To stop the threat of the Beast God, he journeys to the Ancient Demon-Suppressing Cave, where he joins forces with Lu Xueqi to confront an overwhelmingly powerful enemy.

At the same time, the conflict between the Ghost King, the Qingyun Sect, and the major cultivation factions reaches its peak. Long-hidden secrets begin to surface, great sacrifices become inevitable, and the final war decides the future of the world.

In the end, Zhang Xiaofan must choose between love, friendship, and his own convictions in the climactic conclusion to the adaptation of the novel Zhu Xian.