Central Region, Jiang Province.
Twenty-five years later, in the cultivation room of the Xunyang City Residence.
A burly cultivator sat cross-legged, his upper body bare, circulating his cultivation art.
He seemed to have reached a critical point in his cultivation. Beads of sweat the size of beans kept appearing on his skin, gathering into streams that flowed downward.
His brows were slightly furrowed, and the corners of his mouth twitched from time to time.
He was clearly enduring considerable pain, yet he struggled to bear it, keeping his expression largely calm.
This man was none other than Liu Yu!
At this moment, the circulation of the Divine Preservation Art had reached a critical point. Almost unbearable pain surged endlessly from his primordial spirit like a tide.
Compared to it, physical pain was no more than a single hair on nine oxen.
Within his Niwan Palace, after he swallowed a Soul-Congealing Pill and circulated the Divine Preservation Art, Liu Yu's primordial spirit-a large red sphere of light-fluctuated repeatedly.
It appeared calm on the surface, but on an infinitesimal level, it expanded slightly outward before shrinking back.
Every expansion brought pain like the searing of flames!
Wisps of black light continually rose from his dantian, entering and circulating through his red primordial spirit.
They moved with the circulation of the art, gradually being absorbed by the large red sphere of light.
Long prepared, Liu Yu suppressed the agonizing pain with a will as unyielding as bedrock, struggling to circulate the art.
With each expansion and contraction, his primordial spirit shrank by an imperceptible fraction.
As several wisps of black light were absorbed, a strand of black smoke rose from his primordial spirit under the effects of the Divine Preservation Art and the Soul-Congealing Pill.
It was expelled from the large red sphere