Burial of the Heavens: I am the taboo of the Emperor's Fall, returning to the realms.

Intro: Synopsis: [Villain + No Female Lead + Ruthless Killer + Taboo Returns + Invincible from the Start + No Holy Mothers] In the era of Emperor's Fall, a prosperous age, the Great Primordial Heavenly Dao controlled the Three Thousand Great Daos, and beneath them stood Three Thousand Immortal Emperors, whose might shook ancient and modern times. Burial Emperor Mu Changqing rose from obscurity, emerging from slaughter, transcending the shackles of the Three Thousand Great Daos, forging his own Burial of the Heavens Great Dao, and single-handedly battling the Three Thousand Immortal Emperors. That war lasted for one hundred thousand years, plunging the boundless cosmos into darkness, causing the Primal Ancient Realm to collapse and transform into the myriad realms of the heavens. Emperor's blood stained the heavens and the underworld, and finally, Mu Changqing alone annihilated all Three Thousand Immortal Emperors. The Heavenly Dao intervened, and in an ultimate, brilliant battle against the Heavenly Dao, he perished. The Heavenly Dao, too, paid a heavy price, was severely wounded, and fell into an eternal slumber. From then on, the name Mu Changqing became an eternal taboo, unspeakable, unmentionable, and that era was subsequently known by later generations as the Emperor's Fall era. Countless eons later, spiritual energy revived, vitality returned, a grand era arrived, and protagonists of destiny, blessed with supreme fortune, emerged in droves like bamboo shoots after spring rain. From the Burial Emperor's forbidden zone, a figure in black robes broke through the earth. His three thousand black hairs were scattered over his shoulders, his violet eyes held a hint of confusion, which gradually cleared. Like an unparalleled emperor emerging from the most resplendent sun, he returned to the myriad realms. "Three thousand emperors across the cosmos, their frigid blood stained the heavens; in turbulent times, I battled the Heavenly Dao, only to dream of an eternal emptiness. Fate is dictated by the heavens, but destiny is my own. Myriad realms of the heavens, I... am back!"