Yu Han Sung Style - Amplification Skill: Boiling Mass (유한성 식 증폭기 보글 보글, Yoo Hahnseong Sig Jeungpoggi Bogeul Bogeul) is Yu Han Sung's special skill, which uses a wave to maximize the effect on shinsu. It sacrifices precision, but it significantly amplifies even a small amount of power.[1]