The most revolutionary advances were often the quietest.
The same could be said for Rui's successful integration of pluripotent matter into his body over the past year.
SPLAT
He inflicted a quick wound on his skin, suppressing his natural innate healing factor with his Martial Soul while instantly clotting the wound so that he could take his time with his experimentation.
VMMM…
The Primordial Core stirred powerfully as he drew some matter from it from within his body, sending it over to the wound in his body through his blood vessels, while preparing samples of the various chemical compounds that were needed to build a cell from scratch.
Ninety-nine percent of the human body was comprised of just six elements: carbon, oxygen, nitrogen, hydrogen, and phosphorus.
There were other elements and metals that were also needed in small quantities, such as iron and magnesium. He didn't need nearly as much of the other elements to create epithelial tissue to heal his wound.