C363 Zhenqi Attribute

The grey substance was mixed with the Zhen Qi shot out by the Medicine King Cauldron, and then with the Zhen Qi, it flowed through the meridians in Chen Xiu's body.

Chen Xiu, who had almost forgotten about this grey matter in his memory, was now on tenterhooks again.

Chen Xiu had no idea what these gray substances would do to his body after entering his meridians.

However