Begin as a Medicine Boy and Become a Demon Supreme

A terminal illness caused Bai Yang to reincarnate in a foreign land. When he opened his eyes again, Bai Yang found that he had become the medicine boy of the demon sect boss. In a life crisis, Bai Yang awakened the Krypton Life Universal System, and from then on Defeat the arrogant ones, kill the mighty ones, and finally become the invincible demonic supreme master! "Ding! Your life span is insufficient, please extend your life as soon as possible!" "..."