53 Same, Yet Different

Raven stood still, his brows furrowed with confusion and doubt.

So far, if he understood it right, Kayn seemed to figure out a way where humans, without the help of any external help such as Rune Marks, Artifacts, and accessories, were still able to become stronger than normal... And because of working out?

Pfftt...

Raven almost laughed when he heard this, yet, Kayn just stood calmly where he was, his face holding not even the slightest sign of screwing around.

"You are just joking... Right?" after a few seconds, Raven's face turned serious, and asked.

Kayn's lips curved upward and while picking up the knife from the ground he just tossed there a few moments ago, he asked, "What do you know about diamonds?"