C134 How Did a Monstrous Genius Refine It(1)

"Cough, cough." Sun shi coughed awkwardly.

He secretly groaned in his heart. What the hell was going on? A seventeen or eighteen year old youth actually had no flaws when he attacked. Even if he had studied for decades, he still wouldn't be able to do this.

He was a master teacher, not bad! His eyes were sharp, and the flaws in the actions of his students were rarely able to escape his eyes