Legend of Qianwu

There are five major sects in Daqian. Twenty years ago, the most powerful sword sect of the five sects was suddenly wiped out. The sect leader Chu Wudi, the sword demon, was killed, which became an unsolved case in the Daqian martial arts world. Twenty years later, Chu Feiyang, the successor of the sword sect, returned to the world. As the saying goes, one stone stirs up a thousand waves, and what kind of bloody storm is happening now? What happened twenty years ago...