Evolution?! The Menace of the Final Sword Fiend Bleach: Burîchi : Season 13 Episode 36

The Zanpakuto notice the remaining Sword Beasts acting strangely and realize it to be the work of Kirikaze, a Sword Beast capable of robbing Spirit Energy from others. With their time to manifest as physical entities reaching its limits, the Zanpakuto are determined to carry out their last mission to defeat Kirikaze.