Traveling to the fantasy world, and obtaining a demon buster system. Only by understanding demons can you kill demons, and only by being more like demons than demons can you become the demon's nemesis... As a person in the Righteous Dao League who is responsible for dealing with demons and heretics, of course you have to learn A few copies of Demon Sect exercises, otherwise how can I get close to you demons smoothly? The Ten Torture Tortures of Demon Sect? You must also master them, otherwise how can you make you confess? You are cruel and merciless? If you're more ruthless, I'm still a human? What? You say I'm an undercover agent of the Righteous Dao League sent by the Demon Sect? Nonsense! Although I'm more like a big devil than a big devil, I'm really a person of the Righteous Way. Four thousand finished novel "A Genius Possessed at Random", welcome to read.)