As a Direct Descendant of the Righteous Path, Why Do You Possess Evil Skills?

Liang Yan traveled to the world of immortality where demons were rampant and became a direct disciple of the headmaster of the Five Thunder Zhengqi Sect. Awakening the special concept of constitution: the reverse path body Demonic power backfires? It has nothing to do with him. Pill poison fire? Unscathed. Forbidden magic gone crazy? It's simply not possible. The right way requires long and hard practice, but troubled times are coming and catastrophe is imminent. Since the progress of the righteous path is too slow, I will take all the evil and evil skills as ordered!