What Does It Mean That I, a Holy Son of the Devil, Have the Talent for the Righteous Path?

Bad news: Liu Zili, the holy son of the devil, was deposed and became a hostage in the capital! Poison was poured down his throat every day, just waiting for him to die suddenly from the "magic power backlash", but little did he know... Good news: He has a golden finger! It rejects demonic skills, but it is 100% compatible with the righteous skills. It also turns poison into nutrients. In just one year, the righteous skills have been completed for a hundred years! The situation in the capital is treacherous, the princes are fighting, and the demon clan is undercurrent! In the name of a good-for-nothing, his writings and poems shocked the world, his martial arts revealed his righteous ways, and he broke through conspiracies and stirred up troubles! When he tears off his disguise and shocks the world with his dual cultivation of good and evil, who can stop him from dominating the world? !