Muramasa (Zanpakutō spirit)

Muramasa is a mysterious man who has the power to release Zanpakutō spirits from their owners.

Character Outline
Muramasa is a soft spoken man with balck messy hair and dark marks around his eyes. He white coat with fur around the neck and has long extremely long nails. His skin is rather pale and has yet to be specified powers that allowed him to "free" Zanpakutō spirtis from what he calls their prison.

Synopsis
Muramasa is first seen in a dark cave surrounded by a strange group of individuals, when one of them approches him and asked him if they could leave that place his tells her that they are waiting for the rest of their commrads to be free, an procedes to introduce a new member in their ranks.

After the Captains, Lieutenant along with other Shinigami of the Gotei 13 are summond by the Comanding General. Muramasa appears and tells the Shinigami who have gather at the Sōkyoku Hill that their Comander will be attending and that their spirits are now free from them. After a small confromtation with them he summmons a katana and strikes the ground creating flame and causing the fround to rise.

Trivia

 * Muramasa was the name of famous swordsmith of the 16th century.