C1667 Possession?

After seeing Qin Shaofeng admit it, a hint of understanding appeared in Bai Laosan's heart.

In fact, after refining the pill to such a level, Bai Laosan already knew that the true method of concocting the pill didn't rely on the innate Qi in the end.

Perhaps the innate Qi was also essential, but the Mental Energy was more important.

Naturally