C73 Grandmaster's Remnant Soul

"You have to get it yourself!" Jian Ao said lightly at the end. He took a few steps back and sat cross-legged to recover his Profound Qi.

Profound Qi was the essence of a human's body. The more Profound Qi one lost, the worse their physical fitness would be. Why were some people strong and healthy while others were weak and sickly? The most important thing was how much Profound Qi they had