The Heavenly Calamity Ancient Emperor could actually have been reborn and returned long ago. It was just that the Heavenly Calamity Ancient Domain had been sealed together behind the bronze palace doors back then, preventing it from continuing to absorb the power of the Nihility Realm.
Consequently, the rebirth of the Heavenly Calamity Ancient Emperor was delayed.
Until this very moment, with the Heavenly Calamity Ancient Domain returning to the Nihility Realm once more, that flow of energy was finally reconnected, bringing about a complete resurrection and even taking over Yang Dingtian's body.
Chapter 1255