Seisan Seisan The karate kata (alternate names Sesan, Seishan, Jusan, Hangetsu) literally means '13'. Some people refer to the kata as '13 Hands', '13 Fists', '13 Techniques', '13 Steps' or even '13 killing positions'. However, these names have no historical basis. Seisan is thought to be one of the oldest kata, being quite spread among other Nahate schools. Shito-ryu has its own version and different versions are now practised even in Shuri-te derivatives like Shotokan (called Hangetsu) and in Wado-ryu (called Seishan). Isshin-ryū also adopted this kata. This kata is also practiced in Korean styles such as Tang Soo Do and
Ryu (Street Fighter) Like Bison, Professor Sadler seeks out the world's greatest martial artists, though in order to absorb their abilities into his own body, particularly Ryu's Dark Hadou. After Shun is abducted by Sadler's monitor cyborg, Rosanov, Ryu is implored by Rose to search for him. Ryu tracks down and confronts Akuma, demanding to know if Shun is his son, but Akuma, after attempting but failing to goad Ryu into giving in to the Dark Hadou, denies it. Enlisting the help of numerous fighters, Ryu tracks Sadler to his base, where he learns that Shun was actually working for Sadler and posed