A breakthrough into the Viscera Refining Realm was the third great chasm every martial artist had to cross.
From the Third Blood Change to Force Entry counted as the first threshold, while advancing from Transformation Force to Bone Forging counted as the second.
The Bone Forging stage merely strengthened one's bones and muscles.
The Viscera Refining stage, however, required stripping impurities from the blood and opening the qi-blood channels between the internal organs, allowing True Essence to circulate through the five viscera and six bowels and achieve a qualitative leap through an internal circulation of qi and blood.
After breaking through, one's lifespan would lengthen, combat strength would soar, and true qi would flow without end. It was already an existence on an entirely different level from the Bone Forging Realm.
Moreover, the Blood Exchange from Bone Forging to Viscera Refining was not something as shallow as the First Blood Change or Second Blood Change at the beginning of martial cultivation.
It was a true replacement of the blood within the five viscera and six bowels. A single slight error could very well mean dying on the spot.
Wang Yuan closed his eyes, gently pressed the Essence-Origin Divine Ore against his dantian, and activated the Melting Gold Eating Copper Divine Skill.
The Melting Gold Eating Copper Divine Skill was suddenly unleashed.
Wang Yuan felt only an extremely fine strand of golden ore power peel away from the ore's surface. Like a drifting filament, it seeped through his palm and into his meridians.
He did not draw in too much at once. The purity of a seventh-grade ore surpassed ordinary Refined Iron by a hundredfold. Even a single strand made the inner walls of his meridians sting faintly.
The ore power slowly traveled through the Twelve Standard Meridians, gathered within his