The Eternal Night Demon Emperor, Lu Qing'an, concealed his identity for a thousand years for love, willingly living as an ordinary mortal woodcutter. Yet in return, his wife, Xu Qingying, seeking to prove herself worthy of the Immaculate Emperor's throne, severs their love with a single sword strike and divorces him. Unexpectedly, on the very day of their divorce, his system activates, granting him a millionfold return of his lost cultivation! Everything he lost will be repaid a hundredfold! While his ex-wife is still celebrating her breakthrough, he has already reclaimed the summit of the Demon Realm. When the armies of the Immortal Ruins descend upon them, the Immaculate Female Emperor discovers in terror that the very person she has spent her entire life trying to surpass is none other than the husband she personally abandoned.