Muramasa Blade, Marvel Database

Muramasa was an immortal madman and a legendary and feared swordsmith and swordsman, who lived in Japan near Jasmine Falls, two of the blades he forged played an important role through Wolverine's history. The first blade was many centuries old and possessed a variety of mystical properties in and of itself as well as those it granted to its wielders, it was commonly known as the Black Blade. The second Muramasa Blade was the one wielded by Wolverine after he recovered his memories. Having been

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