The strongest villain system

What is the anti-hero? Is it Li Chenzhou who is famous for his martial arts, or Shangguan Jinhong who shakes up the world? Is it Ye Gucheng who has unparalleled skills, or Yuan Shisan who has sad stories? Reborn in a new life, with the Big Anti-Hero System, Su Xin can obtain all the formulas and martial arts of the anti-heroes in the former martial arts world. In his previous life, he died a violent death...