From the Demon Slaying Bureau's Dungeon, I Became a Celestial King

Initially, he was the eldest son of the prince's mansion of the Great Ming Dynasty, but he was stripped of his position as the heir apparent and demoted to the lowest-level dungeon executioner of the Demon Slaying Bureau for releasing a Saintess from the Demon Realm.But Jiang Nan didn't care.Torturing a thousand alluring demonesses, the Art of Demon Slaying is perfected!Slaying a spectral beast of the Ghost-Grade, obtaining essence, and awakening the power of the True Dragon!Disassembling the incomplete lower body of a succubus, comprehending forbidden martial arts......One day, the world's demons and monsters revolted, and the human race was in peril.Jiang Nan, with his strong physique and bulging muscles, emerged from the dungeon —...Across nine hundred million miles, at the end of the celestial path, I am the King.