In the 50th year of Dayuan's Jiaming reign, the emperor's lifespan is nearing its end. In pursuit of immortality, he trusts in alchemists, creating harsh policies and exploiting the people. The people suffer, vassal kings are restless, foreign tribes are ambitious, monsters wreak havoc, and ghosts roam freely. He Ping'an wakes up from a dream to find himself in the Jiaming Emperor's Longevity Palace. To survive in this turbulent world, he hides in the palace, gaining various rewards by taking medicine daily. Eight Nine Profound Art, ginseng fruit, longevity formula, immortal-slaying flying knife... In the vast world, a hundred schools of thought contend. I will integrate three thousand great ways and stabilize the nine tripods of the Heavenly Dao!