The cultivation civilization was destroyed by cosmic humans. Although Earth humans have forgotten everything, they are ultimately descendants of cosmic humans and cannot sever this connection by blood. Cultivators, through Duan Hongyu, have come to understand the situation on Earth anew. When they discover that the cultivation civilization their companions left on Earth has vanished, and Earth humans have once again developed a technological civilization, these cultivators may inevitably recall past events and harbor resentment against Earth humans.