Hokuto no Ken: Fist of the North Star - Season 1 Episode 4 -

Kenshiro finally reaches his long-standing nemesis: Shin, the successor to Nanto Koshuken and the man known as King. Fueled by the fire of revenge, Kenshiro suddenly finds himself facing Heart, one of Shin’s loyal henchmen. The massive Heart, known as the Destroyer of Fists, is protected by layers of thick fat that render Hokuto Shinken ineffective. Kenshiro is driven into a desperate, life threatening corner...but can he find a way to turn the tide!?