Immortality Martial Arts: Start with the Prison Guard

When he woke up, Su Chen traveled to a world where demons were rampant, evil ways abounded, but martial arts were extremely prosperous, and he became a little jailer under the Gale Dynasty. Fortunately, a "Heavenly Prison Code" completely changed his fate. As long as the prisoner is thrown into the sky prison, his martial arts can be infinitely improved, reaching an astonishing level that is unprecedented and unprecedented. This is the story of an immortal warrior who reaches the top of all worlds step by step.