Chen Mu, whose Six Viscera Tempering had reached ninety-nine percent, was just a step away from the limit, and the Yuan Gang True Essence he could activate was almost fifty servings. It could be said that many martial artists who had reached Perfection couldn't achieve this level, relying solely on the extreme tempering of his Five Viscera, which provided a strong foundation.
Normally, without the support of the system panel, even if Chen Mu had collected ten times more nourishing spiritual objects, it would still be difficult for him to temper the Six Viscera to this extent, let alone reach the final limit. This was a limitation of the world itself.
In the current world, or under the concentration of "Heaven and Earth's Yuan Qi" today, the extreme tempering of both the Five Viscera and Six Viscera should not exist, representing heights unattainable by a martial artist.
But.
