Kesseijutsu (結成術, "Formation Arts") is an advanced battle technique designed by Seireitou Kawahiru. It revolves around the same principles that are featured in the use of the Shikai and Bankai release states, therefore only Shinigami whom have achieved some basic level of communication with their Zanpakutō and similar beings are capable of using this skill. The Kesseijutsu is a technique founded in Hakuda teachings.