At the end of the Ancient Era, Empress Wen Wanyu found an opportunity in the Sea of Chaos and obtained the Chaos Green Lotus, a treasure capable of proving the Dao. To seize it, the five Immortal Emperors of the Demon and Demon Beast races unleashed an apocalyptic calamity upon humanity. The empress fought all five Immortal Emperors alone, drenched in blood. But her source power was exhausted, and she was on the verge of death. For the sake of all living beings, she used the Chaos Green Lotus as bait, luring several Immortal Emperors and near-Immortal Emperors into a struggle. In the end, she detonated the lotus, perishing alongside her enemies. From then on, there were no more emperors in the world, and humanity was finally able to catch its breath and grow.
After countless ages had passed, in some place and at some time in the lower realm, fourteen-year-old Gu Yuntian saw the villagers from his own village and those nearby slaughtered for unknown reasons by more than a dozen mighty beings. Fortunately, an unnamed powerhouse rescued him and took him in as a disciple. From then on, Gu Yuntian embarked on the path of cultivation, as well as a long road of revenge…