Another long time passed.
Under Li Qingyun's divine gaze, the spatial scope of the Primordial Beginning Cosmic Domain had already expanded to twice the size of the Primordial Beginning!
With this scale, it should already be on par with the Primordial Era!
However, he was not satisfied with this yet. A steady stream of newborn mighty force was still continuously injected into the Ancestor Spirit Lamp, pushing hard toward the six extremes of the cosmic domain.
Yet he immediately furrowed his brow slightly, sensing that A'li, Cheng Tangyin, Li Zuo, Houtu, and Zhu Yuyan were beginning to fall behind.
Following the previous "great dao merit" of heaven-opening, the cultivation realms of all five had broken through to the Netherworld Entry Realm, but opening up the cosmic domain's space to twice the scope of the Primordial Beginning had also nearly exhausted their power.
Now, for every extra fraction taken from the dark and lifeless void, the mighty force consumed increased exponentially!
They had already reached the limit of the five.
"Leader, we truly can't keep going..."
The five wore looks of embarrassment, yet they had no choice but to sit cross-legged at the edge of the cosmic domain and circulate their cultivation to regulate their breath.
Only the Empress of Burial, who had stepped into the Beyond Tribulation Realm, still had plenty of strength to spare and was raring to go.
"Zang, next, it's up to you and me. I want to see if Primordial Beginning can catch up to Primordial Chaos!"
Li Qingyun transmitted his divine will.
"Good! I had the exact same thought." The Empress of Burial accepted immediately.
To open the heavens—was this not also an ultimate challenge and test of one's own great dao?
If they missed the opening day of the heavens, the cosmic domain's space