Struggles against the intense heat of Yamamoto's flames while trying to reach Muramasa. Kouga to be Revived!!! - Bleach Episode 248 Live Reaction
Successfully manipulates the Zanpakuto spirits to achieve his master's freedom. Bleach Episode 248
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. Struggles against the intense heat of Yamamoto's flames
To prevent their interference, the Ryujin Jakka (Yamamoto's Zanpakuto spirit) creates a massive wall of fire that traps the captains and Ichigo. Koga Kuchiki. To prevent their interference
Appears to be siding with Muramasa, though his true intentions remain a focal point of mystery during this arc.