C1944 Terrifying Combat Power

"Instructor, I was wrong." Meatball giggled.

"In ancient times, martial arts focused on mental cultivation. If one's mental state was lacking, every time one advanced, they would be killed. Others have the strength of four dragons, but you are a metal immortal. Sigh, you're too weak. " Ning Caichen sighed.

After all, he had received too heavy of a blow before