At this moment, more than 5,000 years of his lifespan had been taken away. In an instant, he only had 100 plus years of lifespan left. The huge difference made Ye Xuan extremely uncomfortable.
But at this moment, he had no time to feel uncomfortable.
That was because Foundation Establishment had begun!
…
"Hu hu hu—"
Under the guidance of the system, the spiritual energy in his body began to gradually converge in his energy center and slowly compress.
At the Qi Refinement Stage, one could only roughly convert spiritual energy into spiritual power and store it in various parts of the body. The storage capacity was extremely limited, and the quality of spiritual energy was not good.
As for Foundation Establishment, the spiritual energy in the body needed to be further compressed and purified, turning into True Essence!