Rengoku Kyojuro Sword - from Demon Slayer

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Swords of Northshire is proud to offer free US shipping for all of our products. Shipping times vary based on location and customization.

We are incredibly proud of our craftsmanship. Thus, we offer a lifetime guarantee on ALL our swords. If ever you have issues with our blades, simply give us a shout. We will repair or replace your sword for no charge. We send our products through verified shipping to ensure safe and reliable handling; if somehow your sword is not delivered, we will refund you 100% the cost.

Nichirin Blade

One of Demon Slayers' most beloved characters, our replica of the Rengoku sword is a great choice for all types of sword buyers. This Demon Slayer Rengoku sword has a pure white ito that matches the character's unparalleled willpower and sense of honor, while also emphasizing the iconic fiery tsuba. For this Nichirin sword, the black blade color is achieved through oxidation, while the flames are meticulously painted on each sword.

Whether you're a Demon Slayer fan or just looking for a Nichirin Demon Slayer Rengoku sword to practice with, you'll find that this blade is up to the task. Our lightweight design and quality steel in Rengoku's sword provides excellent balance for cutting through soft or medium material like bamboo.

Demon Slayer Blade Specifications

If Demon Slayer is one of your favorite shows, this Japanese Katana-style sword is a must-have. Beautiful quality forging at a reasonable price; it’s designed for optimal balance and handling. This Rengoku katana is a more traditional, authentic alternative to the many zinc aluminum alloy blades available on the market. Our steel blades have been designed from the ground up to meet our quality standards and ensure perfect balance for regular Iaido & Kenjutsu use. Some other features of this sword include:

  • High Quality T10 Tool Steel Blade
  • Fully Functional & Battle-Ready
  • Includes Custom Painted Hardwood Saya
  • Black Blade Color with Red Flames
  • Features Solid Alloy Fittings
  • Custom Flame Tsuba
  • Secured with Two Bamboo Mekugi
  • Handle Length: 10.6"
  • Blade Length: 27.9"
  • Thickness Near Handle: 0.30"
  • Width Near Handle: 1.24"
  • Weight (With Saya): 2.5 lbs
  • Weight (Without Saya): 2.1 lbs
  • Overall Length: 40.9"
  • Point of Balance: 5" from Tsuba
  • Hardness (HRC): 54


We pride ourselves on our top-notch customer service. We’re in direct contact with you regarding your order from start to finish. We also send pictures of the finished sword for your approval (and excitement!) before shipping. Other companies may accept orders and rush to fulfill them as soon as possible, whereas all of our swords are hand-forged and made to order by master smiths using the time-honored traditional Japanese & Chinese techniques. These swords are not fashioned on an assembly line; each is crafted with the care & respect the heritage deserves.

We refer to Japanese Quality to emphasize the difference from swords that are Made in China and of low quality & mass produced. All of our swords are fully handmade-to-order in the traditional way they have been forged for many generations. Many Longquan swordsmiths received their knowledge directly from Japanese forges; there is a rich history of information sharing between the two cultures. In these modern times, a Japanese Katana and a Longquan Katana are functionally the same.

Forever guarantee: We stand behind the quality of our swords. After your sword is created at the forge, we will send you pictures and will only ship after your approval. If at any time you have issues with the craftsmanship of your sword, please reach out to us and we will do our best to make things right.

Unless indicated otherwise, every sword is hand-forged and made-to-order for a high-quality & unique product created for you. This intricate process takes 3-4 weeks to complete. We’ll send pictures of your sword by email for confirmation (please whitelist to make sure you get our email). Tanto and wakizashi swords usually take around 4 weeks. Highly customized swords such as blades of a custom length or custom painted scabbards will typically take 4-5 weeks. For most orders, we estimate 4-6 weeks from the time the order is submitted to when you receive it. If you need a sword by a specific date or within a shorter time frame, contact us and we can see about prioritizing your order.

We ship to anywhere in the United States for free! For all other countries, we offer a flat shipping rate of $19.

Customers are responsible for customs taxes & duties.

Yes, you can customize every sword on our website. Even if you’re not happy with the existing options available to you, you can request just about any change you could think of. We can change most fittings, wrappings, and blade coloring (black, red, or blue) for free. These kinds of requests can be made in the order comments section during checkout. If what you need done is more complex and might cost extra, please contact us with your request. If you make a request in the comments section when ordering your sword and it happens to cost extra we’ll kindly follow-up and explain the cost difference and send an invoice for the cost if you’re happy with it.

Yes we've recreated many customer's favorite swords, please send details and pictures to and we’ll let you know about the possibilities and quote.

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