Katana – Sekiro Inspired Black Mortal Blade | Kuro Fushizanken(黒い不死斬剣)
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This replica katana is a faithful recreation of the iconic "Kurofushizanken" (Black Mortal Blade) from the video game Sekiro: Shadows Die Twice. Crafted from high manganese steel and adorned with antique silver-finished zinc alloy fittings, this sword combines striking aesthetics with sturdy craftsmanship. The hand-carved rosewood saya and synthetic rayskin-wrapped tsuka replicate the somber yet elegant presence of the in-game weapon, making it a prized collectible for fans and sword enthusiasts alike.
Specifications
Material | High manganese steel |
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Guard (Tsuba) | Antique silver-finish zinc alloy, engraved with floral patterns |
Handle (Tsuka) | Synthetic rayskin wrap with cotton cord, antique silver alloy pommel with ring |
Scabbard (Saya) | Premium hand-carved rosewood with black flame accents and metal fittings |
Dimensions
Overall Length | 103 cm (40.6 inches) |
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Blade Length | 71 cm (28 inches) |
Handle Length | 26 cm (10.2 inches) |
Blade Width | 3.15 cm (1.24 inches) |
Blade Thickness | 0.75 cm (0.3 inches) |
Weight without Saya | Approx. 1000 g (2.2 lbs) |
Total Weight | Approx. 1300 g (2.9 lbs) |
Features
- Replica of the “Black Mortal Blade” from *Sekiro: Shadows Die Twice*
- Constructed from high manganese steel with dual-tone surface treatment and darkened kissaki
- Guard and pommel crafted from zinc alloy with aged silver finish and intricate floral engravings
- Handle features black cotton ito wrapping over synthetic rayskin, with a decorative metal ring on the pommel
- Rosewood saya with carved flame-like black accents and custom antique metal fittings
- Hand-tied black sageo cord for added authenticity

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Who are we
Our fearless founder, caught the katana bug in Seki City. But his true obsession lies with ancient Chinese weapons. Inspired by legendary blades like the Goujian Sword and the Ganjiang and Moye Swords, Ryze is on a mission to showcase the beauty of Asian craftsmanship to the world.
Our 11 skilled artisans pour their heart and soul into every blade. From heavy metal enthusiasts to zen masters, each brings their unique personality to the forge, crafting katanas and Chinese swords that are more than just weapons - they're works of art.
Our Head of Research and Development, is the sensei of swordsmithing. With decades of experience and a love for traditional craftsmanship, he ensures every NIMOFAN blade is a masterpiece. Off the clock, he tends to his bonsai collection and practices calligraphy.
Leads our customer service team, ensuring every interaction with NIMOFAN is as exceptional as our products. With her contagious laughter and ability to brighten anyone's day, Emily is the heart of our team.