Bleach Episode 251, titled is a key chapter in the anime-original Zanpakutō Unknown Tales filler arc. It explores the tragic backstory of Kōga Kuchiki and his descent into villainy. ⚔️ Episode Overview
Kōga fight that follows this episode or details on other ? Dark History! The Worst Shinigami is Born - Bleach Wiki Bleach Episode 251
As Kōga’s heart darkens, his connection to his Zanpakutō spirit, Muramasa, begins to fail. Despite Muramasa’s attempts to reason with him, Kōga starts to view Muramasa as a mere tool rather than a partner. Bleach Episode 251, titled is a key chapter