In the third post-apocalyptic era, the survivors established a new civilization where machines and supernatural powers coexisted. Until one day, the ancient teleportation array on the top of Kunlun Mountain suddenly activated, and a white-clothed swordsman carrying a bronze sword box stepped out of the void. When the mecha army surrounded him, he only flicked the scabbard: "I have been sleeping for thousands of years. Who is in charge of the heaven in this world now?"