Muramasa is a tall, thin man with pale skin and dark brown hair. He has turquoise eyes. His fingernails are extremely long. He wears a white purple-trimmed kimono with an wide sash. The kimono's collar has thick lavender fur. Muramasa does not tolerate protest from any of his subordinates. Muramasa is confident in his power and boasts a mysterious demeanor, but hides a deep sadness. He is the manifested spirit of a sword. He keeps his emotions hidden. He summons his sword out of thin air.