Tsurugi's design is that of a regular katana with a red sheathe that makes it stand out. It also has three bands on the sheathe near the hand guard. The color and the bands are copied by the other 999 copies of Tsurugi.
Though treated as a single blade, Tsurugi is in fact one thousand swords with one original and 999 copies. It's strength lied in it's numbers, allowing it to be used to overwhelm the enemy.
Fitting with Shikizaki's ironic theme for his blades, Tsurugi means sword, as in a double-edged blade, while Sento means thousand sword.
|Blades||Zettō Kanna • Zantō Namakura • Sentō Tsurugi • Hakutō Hari • Zokutō Yoroi • Sōtō Kanazuchi • Akutō Bita • Bitō Kanzashi • Ōtō Nokogiri • Seitō Hakari • Dokutō Mekki • Entō Jū|
|Wielders||Kōmori Maniwa • Ginkaku Uneri • Meisai Tsuruga • Hakuhei Sabi • Kanara Azekura • Konayuki Itezora • Nanami Yasuri • Biyorigō • Zanki Kiguchi • Rinne Higaki • Hōō Maniwa • Emonzaemon Sōda|