In Qingyan Town, on a continent in another world, the ordinary boy Lei Yi has an average aptitude but dreams of cultivating immortality. By chance, he saves a black-robed old man in dire straits and receives the ancient secret manual The Hongmeng Art of Questioning Heaven. From then on, he embarks on a difficult path of cultivation. He breaks through the limits of his aptitude and finds a spirit pearl in a mysterious valley, successfully taking his first step. After that, Lei Yi grows through the brutal cultivation world, enduring ambushes by rogue cultivators and dangers in illusion arrays, and making an enemy of the Blood Demon Hall. He takes revenge single-handedly while on the run, and his fame spreads far and wide. Over the centuries, he battles demon beasts, explores ancient ruins, and keeps breaking through, until his cultivation nearly matches that of the ancient gods. But he does not stop there. He sets out for the depths of the universe, determined to continue his legend. His thrilling, action-packed adventure is one to look forward to.