The prehistoric era was a world where the weak and the strong preyed on each other. Is there anyone who would really sacrifice his life for the sake of the world? Zheng Wen (No. 129601) Woke up at the scene where Nuwa created a human being, and became an unplanned "variable" - the human race was actually the food reserve raised by the demon race in captivity! Just after escaping the prey of the demon clan, he was trapped in the hunting ground of the witch clan. In a desperate situation, he relied on the fragments of heavenly secrets in his soul and the modern "Head Iron" spirit to shout out the prophecy that "the Witch Clan will perish", and risked his life to survive as the "Human Emperor" in the future. In the witch clan's lair, while practicing dangerous skills, he dealt with all parties, vowing to tear up the "ingredient" label and break the ancient chess game!