Chapter 139
It was the universal law. Once depleted, one couldn't restore Qi unless through a natural process which was circulation, attraction, and absorption of Qi.
Run Long should know that because of his upbringing, he was familiar with every medicine to existed. There were elixirs or treasures deep in the spiritual mountains that increased one's Qi recuperation speed but there was none that could do that instantaneously.
"How did you do that?" Run Long couldn't help but ask. If there was something like that that existed and helped his enemies, his enemy would be unstoppable in the future.
'And if I can obtain such a thing?' Run Long couldn't help but wonder what he could accomplish if he had the power to constantly replenish one's Qi. The second biggest weakness of a cultivator.
The first one being was one's invulnerability while breaking through to the next stage in cultivation.