He got a good impression about Peter, and so he didn't want him to go astray.
"But… Our clans already provided fighting techniques matching our spirits."
"But your enemies won't have your clan's techniques, right?" William paused before adding, "in any battle, victory isn't just about using the strongest techniques but sometimes it's related to how to counter the enemy's fighting techniques."
The eyes of Peter shone in realisation for a moment before they dimmed again. "Thanks brother William, I really got inspired by your words."
William knew he wasn't faking it. And he wasn't trying to look cool by saying these words.
In fact, the fight way in this world depended entirely on honing one's abilities and techniques. However, in the outside world, most of the fights depended mainly on countering the opponents and suppressing them by crushing their fighting techniques.