The hit shonen anime series Bleach is all about soul-cutting swords, or zanpakuto, the main weapon for any Soul Reaper. In their sealed forms, zanpakuto can be used as ordinary swords when fighting Hollows all over the world, but the strongest Soul Reapers can do much more. Skilled Soul Reapers can activate their zanpakuto's shikai, and the strongest Soul Reapers can also use bankai. Nearly all Captains can use bankai.
Source：https://www.cbr.com/bleach-strongest-zanpakuto-ranked/
