The technique to upgrade his flesh was also one of the 108 heretical techniques he created, and, like the previous spiritual technique that rapidly upgraded his spirit, this one could reforge his flesh with minimal resources.
This was what made these techniques powerful and considered forbidden: they could achieve significant changes with minimal resources, breaking all the natural rules of reality, and naturally uplifting the user far above the rat race of competition suffered by all living beings who quested for immortality.
Rowan's flesh began to rapidly transform from mortal to immortal, using only the resources derived from his mortal body. The method used was truly mystical, making the body a self-contained cauldron.
