Chapter 668 The Weakness of Finn

"I see!"

Finn understood that this skill he had learned from Garrett could increase the efficiency of his practicing Martial Arts. And it also could make his skills more powerful when he fought against the enemies.

For a long time, he had always been confused about his extraordinary abilities. After hearing Nat's words today, he finally understood the reason. More precisely, the Mental Cultivation Method was crucial to a Martial Artist!

"Finn, what I said to you was not to deny...