Hyuk So-Chun

So-Chun Hyuk is the Assistant-Leader of the "Heavenly Way School" and a martial arts prodigy in the Murim world. He is one of the many characters in the series who start out as an antagonist to Shi-Woon, but later become an ally to him. He is the adopted brother of Jang Joon-Ho.

(Source: The Breaker Wiki)