Iron Defense

Jinsung Ha Style Shinsu Boost: Iron Defense (하진성 류 신수 강화술 비호, Ha Jinseong-lyu Sinsu Ganghwasul Biho) is Jinsung's fighting technique. First, user gathers a lot of shinsoo in front of himself, and then strikes with one hand to create shinsoo blast wave.

Ha Jinsung used this technique to show Kallavan, that members of Ha Family are not just simple fighters relaying on their physical abilities, but they are also technicians.