It is revealed that Muramasa’s primary goal was never to liberate the Zanpakuto, but to use Yamamoto's spiritual pressure to break the seal on his master, Koga Kuchiki.
In this episode, the conflict against Muramasa and the manifested Zanpakuto spirits reaches a critical point as the true antagonist, , is revived. Bleach Episode 248
To prevent their interference, the Ryujin Jakka (Yamamoto's Zanpakuto spirit) creates a massive wall of fire that traps the captains and Ichigo. It is revealed that Muramasa’s primary goal was
Ichigo, Kenpachi, and other Soul Reapers attempt to break into the cave where Head Captain Yamamoto is being held. Ichigo, Kenpachi, and other Soul Reapers attempt to
Appears to be siding with Muramasa, though his true intentions remain a focal point of mystery during this arc.
Successfully manipulates the Zanpakuto spirits to achieve his master's freedom.
