As an expert in historical weaponry, I can tell you that the Muramasa blade is a legendary type of Japanese sword, often associated with the famous swordsmith Goro Nyudo Masamune, rather than a specific individual named Muramasa. These blades are known for their exceptional quality and craftsmanship. Traditional Japanese swords, including those that might be referred to as Muramasa blades, are typically made from a type of steel called tamahagane, which is a high-carbon steel produced by the Japanese sword-making process. This steel is folded and forged multiple times to create a strong and flexible blade with a distinctive pattern known as hamon.

read more >>

Muramasa used a piece of Wolverine's soul in forging this blade, just as he used a piece of his own in forging the Black Blade. This sword is also made of an unknown alloy that was originally bright red in color, but now has the color of a conventional blade.read more >>