As a Demon Cultivator, I Ruined the World

Tang Sheng begins with a demonic sect in the modern world of immortality. Talent, family background, resources, abilities, and emotional intelligence, whatever it is, you will be eaten by someone stronger than you. Although Tang Sheng was once a powerful demon cultivator, his family was ruined and he was alone when he traveled through time. Tang Sheng, who was stared at by a group of people, discovered that he could travel freely through the heavens through a strange system. The worlds of comics, games, movies and TV shows are at your disposal. Tang Sheng, great! Resident Evil, Kabaneri of the Iron Fortress of Isolated Island Academy, Demon Slayer: Kimetsu no Yaiba, Resident Evil, Corpse Brother, Parasite Beast, Zombie Marvel Universe... Tang Sheng began to wander into worlds suitable for demonic cultivation, and made trouble in them. As more and more worlds were conquered, Tang Sheng's various magic techniques became more and more perfect. The evil soul technique refines the soul and seizes the soul, and the corpse ghost technique controls the dead body... Tang Sheng gradually became a legend in the demon society. In the end, he even ascended to the throne of Demon Lord, and his demonic aura shook the sky. … After Tang Sheng became famous. In the world of immortality, everyone with integrity is in danger. But when they rushed to Tang Sheng, they were dumbfounded. Damn it! Why is there a golden circle of merit on that demon cultivator's back?