In a parallel world where demons surge forth, Daoist Lin Heng is bound by the ominous Life-Buying Money. Facing certain death after squandering ten years of his life, he triggers the system's awakening at the brink of extinction. The Five Thunders Righteous Method surges through him, unlocking the supreme Great Divine Techniques of the Celestial Master's Mansion. Standing against the supernatural entities converging on his life, Lin Heng prepares for the battle of his final night.