Background: Modern society is invaded by thousands of races. Alien beasts run rampant in various countries and cities. All people practice high martial arts. They are divided into levels one to ten: first-level martial apprentices, second-level warriors, third-level martial arts masters, fourth-level generals, fifth-level martial ancestors, sixth-level martial kings, seventh-level martial saints, eighth-level martial gods, ninth-level martial emperors, and tenth-level martial emperors and masters. The protagonist practices ancient Qi refining techniques, which are divided into foundation building, golden elixir, Yuanying, transformation, earth splitting, breaking the sky, Mahayana, transcending tribulation, immortal king, and immortal emperor.
