Warning: Spoilers for Bleach: Thousand-Year Blood War, Episodes 25 & 26Bleach's most elite Soul Reapers have lived up to their reputation in the Thousand-Year Blood War finale, with the debut of a new Bankai so powerful that it literally shakes the earth–even when its user wasn't in the World of the Living. The Bankai was so powerful, in fact, that it had previously been sealed away with one of the most ridiculously strict seals in the series.
https://screenrant.com/bleach-new-bankai-strongest-soul-reaper-squad-zero/