Transmigrated to another world, Xu Cheng becomes a young Heavenly Master of the Heavenly Master Palace, the leading sect of the Daoist world. With the Grandmaster of the Heavenly Master Palace, one of the seven Great Half-Saints, nearing the end of his lifespan, he leaves behind a plan before seclusion, with Xu Cheng as its executor. Initially intending to complete the Grandmaster's arrangements and protect himself, Xu Cheng unexpectedly activates the "Super God Sign-In System." Signing in at the Cloud Stream Hut, he obtains the reward [Supreme Primordial Skill]! Signing in at the Heavenly Master Palace's main hall, he obtains the reward [Celestial Gang Fist]! Signing in at the library, he obtains the reward [White-Haired Tai Xuan Scripture]! ... Ten years later, the Grandmaster's plan is finally revealed, and righteous and demonic cultivators gather at the Heavenly Master Palace demanding an explanation. "What explanation do you want?" Xu Cheng, disturbed in his cultivation, emerges from the back mountain with a cold expression. In an instant...