Killed by the righteous, he turned around and joined the evil sect and became a villain

Mu Tianyi was reborn as a cannon fodder control group in an ancient immortal cultivation novel. As soon as he came here, his half-demon bloodline was exposed, his cultivation was abolished, his spiritual roots were destroyed, and he was locked in a dungeon. He was about to be tortured and his soul was scattered. Fortunately, the golden finger simulator arrived at the critical moment, and he escaped from the dungeon by chance and plunged into the Demon Cult. The Demon Cult is a gathering place for villains in the book. In the later period, they were all killed by the protagonist group, making the protagonist group have a great and glorious reputation, but ironically, the heroine's CP is the son of the Demon Lord. The eldest brother has half-demon bloodline and black dragon bloodline. He is dedicated to his career and becomes a generation of demon king. The second brother is a demon monk, seductive and charming, and has cultivated the ruthless way astray and entered the way of killing. The third brother's cultivation went astray...