Refining the World to Achieve Enlightenment, the Three Corpse Demon Lord

Modern man Yang Cheng accidentally obtained the Golden Finger "Three Corpses Yuan Demon Sutra" when he traveled through time. He used the obsessions of all living beings as nourishment and used the evil spirits in the world to practice demon skills. Relying on the characteristics of his skills, he lurks and hides his edge, constantly provoking various forces to fight and strengthen himself. Use the world as a cauldron, refine the world and become the Taoist, take charge of the three corpses, and ascend to the top of the Demon Lord. The protagonist is the mastermind behind the scenes, all opponents have online IQs, and it's a Chinese-style Cthulhu battle.