You are reading The Best Martial Arts Instructor In The World Chapter 66. The Demonic Cult Leader, Seok Woncho, was a monster who even surpassed the Blood Cult Leader.Do you know who killed him? "Ha Mu-baek." "But why are you bringing that up...?" "Because he's coming to our Mengryong Academy as an instructor." ...Damn it. We're screwed! Ha Mu-baek, the greatest martial a