Ichigo, Kenpachi, and other Soul Reapers attempt to break into the cave where Head Captain Yamamoto is being held.
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. Bleach Episode 248
Appears to be siding with Muramasa, though his true intentions remain a focal point of mystery during this arc. Ichigo, Kenpachi, and other Soul Reapers attempt to
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