Ganzan Ryozan Ha

Rocky Mountain Splitting Wave (岩山両斬波, Ganzan Ryōzan Ha) is a powerful Hokuto Shin Ken technique, taking the form of downward chop which fractures an opponent's skull.

Ganzan Ryōzan Ha
Kenshiro hitting a Spade thug
Name
岩(がん) 山(ざん) 両(りょう) 斬(ざん) 波(は)
Kanji	岩山両斬波
Romaji	Ganzan Ryōzan Ha
Pronunciation	[ɡaŋzaɴ ɽʲoːzaɴ ha](help·info)
English	Rocky Mountain Splitting Wave
Data
School	Hokuto Shin Ken

The effect might be achieved without any direct contact, as usually moves involving the term Wave (波, Ha) use Fighting Spirit (闘気, Tōki) to strike.

Appears in

Original Manga

Kenshiro uses it on a Spade thug on page 82 of the 1st volume, titled "A Cry from the Heart" (心の叫びの巻, Kokoro no Sakebi no Maki)

Kenshiro would use it as the fatal blow against Kiba Daiō.

Hokuto Musō

In the game, Kenshiro delivers a chop to the ground which sends a shockwave of ki outwards to attack distant enemies in a straight line causing them to explode.