Rakan Niō Ken
Rakan Niō Ken (羅漢仁王拳, "Arhat Deva King Fist") - A 5,000 years old assassination style from ancient India used by Devil Rebirth, a prisoner in Villainy Prison. The name "Devil Rebirth" itself is also the title of the style's successor. Its only named technique is the Fūsatsu Kongō Ken (風殺金剛拳, "Wind Kill Vajra Fist"), in which the user creates a powerful hurricane with their fists.
TV Series
In episode 49 of the anime series, Raoh is seen using this technique against Kenshiro.