C290 I Am also an Expert in This Field

Lin Feng tossed Fatty An to the side and continued his experiment.

This time, he operated his Yin Qi, bringing with it a sickly aura, and started to seep into the jade.

He intended to use the amount of Sickly Origin Qi he had to estimate the value of the jade. If he could do this, it would be almost impossible to lose during the stone gambling.

After a few tries