C1447 He Was Able to Refine a Superior Grade Bone Tempering Pill

Cao Tianyan did not know how to refine pills. He silently watched Lin Fei concoct the pills.

However, he believed that Lin Fei would be able to refine superior pills and ancient pills.

In his eyes, Lin Fei was a person who made the impossible possible.

"In ten minutes, I will successfully refine a Superior Grade Bone Tempering Pill." Lin Fei said faintly.

"Lin Fei, stop bragging