The stinging pain grew increasingly intense, and Gu Sheng found it hard to bear. His refined skin continuously absorbed the medicinal power, integrating it into his flesh. He surged his power and began to temper his flesh and blood using the stillness techniques of Iron Stone Fist.
The pain instantly multiplied several times, as though every piece of flesh was being torn apart and roasted.
However, the benefits were equally obvious.
Gu Sheng could clearly feel it.
His flesh was silently undergoing transformation, even his skin membrane was becoming stronger and more resilient. Although the changes were minuscule, he could perceive them distinctly.
The Four Realms of Body Refining.
Though the process moves from the outer body inward,
the cultivation of every realm is interconnected. Even during the Refining Skin Realm, the flesh, bones, and internal organs receive some enhancement.
When it comes to breaking through to the Blood Refining Realm,
