A Bankai activation is always a huge occasion in the series of Bleach, as it refers to when a captain or lieutenant of the Gotei 13 decides to put their full power on display by deploying an immensely powerful ability or technique. While Tite Kubo's original manga featured a plethora of Bankai for fans to admire, some were only briefly skimmed over, while others were left out entirely for one reason or another.