Raising the Demonic Cult’s Leader

I want to rip all their heads off.” Is this what it’s like to be in the martial arts world? Does experiencing a family’s demise automatically turn a child into a vengeance-seeker? Ha-yoon tries to talk the boy out of it, but his body seems to have a mind of its own, blurting out, “Do whatever you want. Create the cruelest martial art in the world or use it to get revenge.