Blue Lightning Manganese Steel Katana with Gold-Veined Black Saya in Full Tang Construction

The blade of this katana is forged from manganese steel, hardened to 60 HRC, and finished in a deep blue tone with a bold white lightning pattern running from the kissaki to the machi. The forked, branch-like lines create an electric visual effect across the entire nagasa, making this one of the more distinctive display pieces in any collection. The edge is hand-finished and the full tang build provides solid structural integrity through the handle.

The tsuka measures 10.25 inches and is wrapped in black cord over a black polyurethane leather samegawa layer. The wrapping follows a traditional diamond pattern, and gold menuki are set beneath the cord for both grip texture and visual interest. The construction feels balanced and intentional, with the dark handle serving as a grounding contrast to the vivid blue blade.

At the junction of blade and handle sits a blue alloy tsuba with a distinctive half-moon cutout design. One side features a gold-toned panel with a floral lattice motif, giving the guard both dimension and character. The blue tone of the tsuba matches the blade finish, tying the aesthetic together from tip to pommel.

The saya is crafted from hardwood with a piano lacquer surface in black, overlaid with an intricate gold vine-like pattern that catches light as it moves. At 29.5 inches, it sheathes the 29-inch nagasa cleanly. Black sageo cord is tied at the kurikata, and the koiguchi transition is smooth and snug. This scabbard is as much a display piece as the blade it protects, fitting naturally into a Black And Blue Sword collection.

At 41 inches overall and 4.4 lbs, this katana has real presence on a stand or mounted on a wall. The blue lightning theme, gold-veined saya, and matching blue tsuba create a cohesive and bold visual statement. Whether you collect themed swords or appreciate standout craftsmanship in a Real Samurai Sword style, this piece delivers on detail and build quality.