Nanto Sōyō Ken (南斗双鷹拳, South Dipper Twin Hawk Fist): the fighting style of the Harn Brothers and is only mentioned in the manga, and only seen in action in the anime. This style appears to emphasize cutting in a cross motion (cutting both vertical and horizontal simultaneously).

Techniques

 

Sōu Rakusō Ha (双羽落爪破, Paired Feather Drop Claw Rip): an aerial drop technique that can only be used by the Harn Brothers working together.