As long as the fire of humanity remains unextinguished, the Netherworld Dao shall endure. To save his master, Xia Wudi has the black chaos energy planted in his life palace by the Lord of the Desolate Realm, leaving him with only six months to live. After returning to the human world, he must seek the Four Symbols sacred relics to rebuild the grand formation while preventing himself from becoming a pawn that triggers the laws of the universe. Betrayal in the shadows, a citywide crisis, and brothers on the brink of death strike one after another. He burns his life to break through the deadlock, refines a divine pill of creation, and reunites the Four Symbols to force back the Lord of the Desolate Realm. The ending is tragic but not hopeless: the Lord of the Desolate Realm flees overseas, the spark of humanity survives, and Xia Wudi fights on despite his wounds.