Sacrificing a Million Zombies, I Become a Demonic Cultivator in the Apocalypse

Zheng Yi transmigrated to a world of immortal cultivation, where he amounted to nothing and became a low-ranking rogue cultivator. Every now and then, he transmigrated to an apocalyptic world, where a blood moon hung overhead, zombies roamed, and vengeful ghosts lurked… It was practically paradise for demonic cultivators. Kill zombies, refine vengeful ghosts, devour spirits, and consume corpse pills. His cultivation shot up at an incredible rate. Not only did Heaven show him no retribution, his cultivation speed was absurdly fast. Where else could you find anything like that? All Zheng Yi could do was shout, “This makes no scientific sense!” Then he turned around, returned to the immortal cultivation world, sold his right to live in the immortal city, and hurried off to the demonic domain that very night. Soul-Reaping Sect, Corpse-Nurturing Sect, Heavenly Demon Cult, Soul Devouring Path… Demonic sects, here I come! Roaring excitedly, Zheng Yi threw himself into the embrace of the infamous demonic sects. Soul-Reaping Banners, Spirit-Attracting Formations, Black Fiend Arts, Corpse-Nurturing Arts… Zheng Yi eagerly immersed himself in researching demonic techniques. Other people who cultivate demonic arts either get beaten to death by the righteous sects or are struck down by Heaven’s punishment and blasted to pieces by heavenly lightning. But I cultivate demonic arts on Heaven’s behalf, accumulating immeasurable merit. One day, Zheng Yi set up three hundred and thirty thousand Soul-Reaping Banners, commanded a million evil ghosts, and controlled a hundred thousand Heavenly Corpses. With demonic energy surging into the sky, he laid siege to the righteous sects’ holy land. The righteous powerhouses and demonic overlords alike were dumbfounded. Together, they cried out, “You fiend! Why hasn’t Heaven struck you dead?” “This makes no scientific sense!” …