shuriken technique

black magic

a blanket term for various styles of Japanese hand-to-hand martial arts, either wholly unarmed or using short weapons / jujutsu / short for 武神館武道体術(ぶじんかんぶどうたいじゅつ) (Bujinkan Budō Taijutsu)

杖術: a traditional Japanese martial art using a shortened staff, also known as 杖道 (じょうどう, jōdō)

also known as 杖道 (jōdō), a traditional Japanese martial art using a shortened staff: a kind of stick fighting

spiritualism

Kyūjitai form of 戦術: tactics

xylography (art)

weapon techniques for armed martial arts

alchemy (ancient chemistry)