Nanto Suicho Ken

Nanto Suichō Ken (南斗水鳥拳, South Dipper Waterbird Fist, also translated as South Dipper Waterfowl Fist): the most graceful of the Nanto Seiken styles and used by Rei. With a focus on grace and aerial attacks, its primary usage is for close-range attacks. Like many other Nanto styles, it uses the hands or air pressure to split the body into pieces.

Practitioners

Successors

• Rofū
• Rei

Others

• Rinrei
• Amiba
• Zaki (video game)

Techniques

Techniques listed alphabetically (omitting the redundant word "Nanto").
㊙ = An "Ōgi" (奥義 secret) technique.

• Danko Sōsai Ken (断己相殺拳, Self-Sacrifice Offset Fist) ㊙: the ultimate Suichō Ken technique; kills an opponent at the expense of the user. It would've killed Raoh if it had actually been used successfully.

• Gekisei Kakubu (南斗撃星嚇舞, South Dipper Striking Star Frightening Dance): Cut Yuda's face.

• Hien Ryūbu (飛燕流舞, The Flowing Dance of the Flying Swallow): Rei performs this technique in a demonstration in front of other Nanto students, leaving them impressed and Yuda angry. It earned Rei the envy of Yuda.

• Hishō Hakurei (飛翔白麗, Soaring White Loveliness) ㊙: a jumping double-chopping attack, from midair, which serves as the killing blow that defeated Yuda.

• Kakuyoku Jinzan (南斗鶴翼迅斬, Wing Crane Rapid Slash): a midair body-blow with arms spread, this was used to kill an underling before Rei fought Yuda. Later used by Kenshiro on the Nameless Asura.

• Ko Ha Ryū (南斗虎破龍, South Dipper Tiger Destroys Dragon): a technique Rei performs after witnessing Kenshiro's Seikyokurin stance, which causes its target to fall into a state of false death. Rei performs this technique in conjunction with Kenshiro's Hokuto Ryū Geki Ko ("North Dipper Dragon Attacks Tiger") to deceive the Fang Tribe.

• Komen Yu (湖面游, Lake Surface Swimming) ㊙ Used by Rei; an evasive attack that renders the target unconscious. 
• Retsukū Jingai Shu (烈空刃崖手, Violent Sky Blade Cliff Hand) A powerful downward strike used by Rofū'. This technique is part of Rofū's 'Gou' style of Nanto Suichō Ken.

• Mugai Setsuei Shō (無外絶影掌, Lesser Outside Cutting Shadow Palm) ㊙: Used on Rima

• Seiki Mōha (南斗凄気網波, South Dipper Miserable Energy Netting Wave) ㊙: a rapid-fire punching-type cutting attack used to shred a boulder during fight with Kenshiro. Also slashed Yuda's doppelganger in the anime.

• Suzaku Tenshō (朱雀展翔, Vermillion Sparrow Unfolding Glide): A face-cutting technique Rei uses against Yuda. Unnamed in the original manga, named in the anime series.

• Yōsō Sankaku Kyaku (鷹爪三角脚, Hawk Talon Triangle Kick): a Nanto Seiken technique used by Amiba, a former Nanto student, that involves a jump off a wall jump kick. Amiba's Nanto Seiken style was uncredited in the original, however in the spin-off Rei Gaiden it is revealed he was a student of Nanto Suichō Ken. However, it is unknown whether this is a Nanto Suichō Ken technique or another style Amiba has appropriated.

• Zanchō Zan (残鳥斬, Remnant Bird Slash) ㊙