Guard Tianlao for a Hundred Years and Become Invincible at Birth

In the 847th year of the Dayu calendar, Su Yuxing traveled through time and became the jailer of a small heavenly prison under the Dayu Dynasty. In this world where magical powers are manifested and demons are causing chaos, Su Yu, who has no power to restrain a chicken, is walking on thin ice. Fortunately, a book of crime changed his fate. "Guarding the ancestor of the Demon Sect for thirty years, I received the reward: Demonic Toad Devouring Heaven Technique, and three thousand years of martial arts cultivation!" "Guarding the Great Sage of the Monster Clan for fifty years, I received the reward: magical power - the Law of Heaven and Earth!" "Guarding the Saint of Liansheng Cult for seventy years, I received a reward: a family full of descendants!" .... In the 947th year of the Dayu Calendar, demons caused rebellion and attacked the capital of Yu. The country of Dayu was in danger. At the foot of the imperial city, Su Yuxing, who had guarded Tianlao for a hundred years, suddenly opened his eyes. "How dare you, Xiaoxiao, disturb my Qing Cultivator?!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.