Tiger Soul Research Institute, Training Room.
Feng Qi sat cross-legged, drawing in the spiritual energy of heaven and earth through breathing exercises to nourish his body.
Although the "Blade Body" method of tempering the body could rapidly improve his physical fitness, it could also easily damage his body. After every period of training, he needed to nourish himself through breathing exercises.
On this Sacrifice Timeline, he could no longer recklessly squeeze out his body's potential without restraint.
Longevity was now his greatest pursuit.
Normal training could prolong one's life, but excessive training could easily leave behind all sorts of hidden dangers and lasting complications.
The symptoms might not be obvious while he was young, but once he grew older, the accumulated aftereffects would erupt.
They might even take his life.
Fortunately, the Blood Refinement Method he practiced as an auxiliary caused no harm to the body and could even repair it.
If it were the cultivation methods currently available to humanity, bodily damage during cultivation was extremely common.
The imperfections of modern Cultivation Studies showed in every aspect. Problems with cultivation methods in particular could easily cause issues with a cultivator's body.
Since the Cataclysm Era, five hundred years of improvements had made Cultivation Studies relatively refined. These problems had gradually decreased, but they still existed.
This was also one of the enormous gaps between humanity and the domain races.
Those domain races that possessed mature cultivation systems had cultivation methods that could extend the lives of their members while also enhancing their physical fitness and spiritual power.
But most human cultivation methods traded lifespan for power.
Frontline soldiers died in glorious battle, but the work of cultivation-method researchers in the rear was equally fraught with danger.
It was simply that ordinary people never saw those risks.
The birth of