Wind Release: Dust Cloud Technique

Not much is known about this technique, but it's assumed to be quite powerful, as Asuma warned his students to get out of the way when he was forced to perform it.

Trivia

 * , written with the kanji for and, can refer to three things in the Japanese language: a cloud of dust blown up by the wind; the bothersome, everyday affairs of the workaday world; and war.