Cultivation of Demons

Chu Yun, who had endured for ten years, finally escaped from the devil's cave and became a disciple of the Luochen Sect, but found that his physique was not suitable for practicing the righteous martial arts at all. And a earth-shattering change is slowly beginning. There is no way to survive. How can we settle down? Why not pick up the butcher's knife and become a demon immediately!