The twelve violent evil spirits appeared in the world. In an instant, living beings were slaughtered and the land was stained with blood. Qin Tianxiao, who had earned the name of Sword Immortal, stood forth to rid the world of evil. But the evil spirits threatened him with the life of the person he loved. After weighing his options again and again, the Sword Immortal could not bear to lose his beloved and had no choice but to let the spirits go. Word soon spread, and people cursed him, saying he deserved to die. Before long, the evil spirits wreaked havoc once more, and the name of the Evil-Slaying Sword Immortal was met with even greater scorn.
Fifteen years later, the evil spirits appeared at Dongbai Mountain. The Sword Immortal seized his chance and destroyed them atop the mountain, but he too died after exhausting his spiritual power. Who could have known that the evil spirits had not been eliminated? Instead, they were all reborn, and the world once again fell into darkness.