An ordinary young man, Li Chen, unexpectedly traveled through the prehistoric world of chaos and awakened the [Prehistoric Heaven System], only to find that he was in the darkest era before the creation of Pangu - the chaotic demon was rampant and everything was not born. Relying on the system and "Hongmeng Taoist Scripture", he stole the green lotus seeds, seized the chaos beads, and refined the jade disc fragments, and emerged in the cracks of the devil's game. When Pangu swung his ax to open the sky, he secretly intercepted a wisp of heaven-opening merit; during the Dragon and Phoenix Tribulation, he controlled the direction of the calamity behind the scenes; before the decisive battle between the lich and the lich, he had already made plans thirty-three days away... From a witness to a chess player, Li Chen discovered that the biggest secret of the ancient world was closely related to the origin of the system! "Since the way of heaven is impermanent, it is up to me to redefine the situation!