C22 The Last Seven Moves!

Backyard attic, Chu's Pharmacy:

As Chu Zhongtian wholeheartedly absorbed Qi from the low Level-9 spirit stone, his strength increased by leaps and bounds.

The basic rule stated that: higher the quality of spirit stones, the denser the Qi contained within. And this was also what Chu Zhongtian confirmed after absorbing the Qi within the Level-9 stone