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Rengoku Katana (Demon Slayer) - レンゴク
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Why choose us
Ships within 48/72h
Forged Blade
Collector Quality
Trusted Globally
Inspired by Japan

Rengoku Katana (Demon Slayer) - レンゴク
Specifications
- Handmade
- SHARP
- Blade: 1060 Carbon Steel
- SAGEO & ITO in Cotton
- Synthetic Rayskin
- Full Tang
- Iron Tsuba
- Total size: 105cm / 41 (in)
- Blade size: 72cm / 28 (in)
- Blade width: 3,2cm / 1.2 (in)
- Blade thickness: 0,7cm / 0.27 (in)
- Handle size: 30cm / 11.8 (in)
Rengoku Katana - Flame Hashira's Eternal Blaze
Ignite your spirit with the Rengoku Katana, blade of the Flame Hashira whose death inspired generation to burn brighter. This heroic Demon Slayer sword radiates Kyojuro Rengoku's indomitable will - blazing orange fittings like flames refusing extinction, white saya adorned with geometric fire patterns, crimson kanji declaring destruction of evil. Not weapon of mere demon slaying but physical manifestation of philosophy that changed anime: "Set your heart ablaze!" Some warriors win through survival; Rengoku won by showing how to die magnificently, his sword now carried by those refusing to let his flame extinguish.
Flame Hashira's Burning Legacy
Kyojuro Rengoku appeared in Demon Slayer for devastatingly brief time - introduced during Hashira meeting, died during Mugen Train arc - yet became series' most beloved character, his heroic sacrifice against Akaza defining what it means to be Hashira. His final stand protecting train passengers and younger slayers while fatally wounded, smiling through pain, refusing surrender even as death approached - that scene broke millions of hearts globally.
This Flame Hashira blade carries weight of that sacrifice. Unlike protagonists Tanjiro or Zenitsu who continue evolving, Rengoku's story ended at his peak - burning brightest before extinguishing, his flame breathing techniques perfected, his resolve absolute, his philosophy crystallized into final words that echo through remaining seasons: "Set your heart ablaze!"
The Flame Breathing style Rengoku mastered focuses on overwhelming offensive power through techniques mimicking fire's destructive beauty. His signature moves - Unknowing Fire, Blooming Flame Undulation, Rengoku - combined precision with apocalyptic force. The blade channels that aesthetic through color scheme screaming FIRE at every angle.
Demon Slayer collectors recognize Rengoku's sword as essential despite character's limited screen time. His impact exceeded his appearances - the Mugen Train film became highest-grossing anime movie ever in Japan, largely because audiences couldn't accept losing Rengoku, returning to theaters multiple times processing grief through repeated viewings.
The katana represents Demon Slayer at its thematic core: warriors knowing they'll likely die young against overwhelming demon forces, choosing to burn brilliantly rather than fade slowly, measuring success not by survival but by how many they protect before inevitable end. Rengoku embodied that philosophy perfectly.
Orange Inferno Aesthetic
The blazing orange components create instant visual recognition - no other anime sword features this specific fire-engine orange dominating the palette. The koiguchi (scabbard mouth), kojiri (tip), and likely other accents all glow with volcanic intensity suggesting magma, sunset, or flame at peak combustion.
This flame katana refuses subtlety. Where other swords whisper their themes through muted colors, Rengoku's blade SHOUTS its connection to fire through aggressive orange that photographs dramatically, cosplays spectacularly, displays unmistakably. The color choice mirrors Rengoku's personality - loud, passionate, impossible to ignore, warming everyone nearby.
The white saya provides clean canvas allowing orange elements and black geometric patterns to dominate. The contrast creates visual electricity - the coolness of white amplifying the warmth of orange, the patterns suggesting flame shapes dancing across lacquered surface. This isn't random decoration but carefully orchestrated fire imagery.
Traditional katana rarely feature orange prominently - the color proves challenging manufacturing with period-appropriate dyes and historically suggested lower-class merchants rather than noble warriors. But Demon Slayer's Taisho era (1912-1926) setting allows modern sensibilities, and Rengoku's flamboyant confidence meant he'd carry weapon announcing itself proudly.
The geometric flame patterns on the white saya might reference seigaiha (wave) patterns adapted to suggest flickering flames, or stylized fire imagery from traditional Japanese art where masters captured elemental forces through simplified brush strokes. These patterns prevent the white from becoming boring while maintaining sophisticated aesthetic.
Set Your Heart Ablaze
Rengoku's final words to Tanjiro - "Set your heart ablaze!" - became anime's most quoted phrase, appearing on merchandise, tattoos, motivational posters, gym t-shirts. That philosophy transcends Demon Slayer to become universal call to passionate living. Don't just exist, BURN. Don't merely survive, BLAZE.
This inspirational blade embodies that message physically. Owning Rengoku's sword means keeping his flame alive, carrying forward his belief that every moment deserves full commitment, that mediocrity insults the gift of life, that if you're going to swing a sword you swing like your existence depends on that strike.
The katana serves as daily reminder of Rengoku's example. Facing difficult decisions? Set your heart ablaze. Feeling unmotivated? Set your heart ablaze. Doubting your path? Set your heart ablaze. The sword doesn't just commemorate fictional character but channels philosophy helping real people face real challenges.
Rengoku's optimism despite knowing demon slayers die young resonates with anyone facing mortality, chronic illness, or circumstances beyond control. You can't always choose your situation but you can choose burning brightly regardless, finding joy despite tragedy, inspiring others through how you handle inevitable darkness.
The flame never truly extinguishes if others carry torches forward. Tanjiro learning Flame Breathing techniques, Tanjiro's group strengthening resolve after Rengoku's death, even audiences worldwide feeling motivated by fictional character's sacrifice - all prove the flame continues. This replica participates in that continuation.
Heroic Sacrifice Iconography
The crimson kanji visible on black background (likely 滅 - destruction or annihilation) references demon slayers' core mission: total demon eradication regardless of personal cost. Rengoku's willingness dying to protect others, fighting despite fatal wounds, smiling as life faded because he'd fulfilled his duty - that's bushido adapted to modern storytelling.
His death scene achieved what few anime deaths manage: genuine emotional devastation among audiences who'd barely met the character. The setup was perfect - Mugen Train establishing Rengoku as impossibly strong, kind, and capable, then Akaza demonstrating the gulf between even Hashira and Upper Moons, then Rengoku choosing death over compromise when Akaza offers transformation into demon.
This memorial blade honors that choice. Rengoku could have survived by accepting demon transformation, gaining immortality and power. He refused because living as monster contradicted everything making life worth living. Better dying human than surviving as demon. That moral clarity in anime increasingly favoring moral ambiguity made him unforgettable.
Modern viewers processing COVID losses, climate anxiety, economic uncertainty find Rengoku's acceptance of mortality without bitterness deeply comforting. He didn't rage against dying young but ensured his death mattered, protecting others until final breath. That's heroism beyond superhuman fights - it's grace under terminal circumstances.
Essential Collection Centerpiece
For Kimetsu no Yaiba collectors, Rengoku's blade ranks among must-have items despite other Hashira offering more screen time. His impact transcends appearances - the Mugen Train film's success, merchandise sales dominance, and cultural penetration make him arguably series' most commercially successful character despite death occurring relatively early.
The orange-and-white color scheme photographs beautifully, creating instant pop in collection displays. Pair with other Hashira swords for complete pillar representation, or display solo acknowledging Rengoku's special status as fandom's emotional anchor.
Cosplay applications benefit from the distinctive color scheme. Convention photography loves high-contrast aesthetics - the orange reads clearly in any lighting, the geometric patterns add visual interest, the overall design balances memorability with elegant simplicity. Quality replica elevates cosplay from good to exceptional.
Investment value favors completed series with sustained popularity. Demon Slayer finished manga in 2020, anime continuing through 2023+, establishing stable collector market. As nostalgia intensifies, key character items from peak popularity periods appreciate steadily among fans building comprehensive collections.
The emotional resonance creates value beyond money. Millions cried watching Rengoku die, his final words echoing through subsequent content as characters honor his memory. The sword connects owners to that transformative moment when anime death felt truly consequential, when losing beloved character meant something rather than cheap shock value.
Care Instructions: Wipe orange components carefully - this vibrant color deserves maintenance preserving its fire-like intensity. The white saya benefits from gentle cleaning maintaining pristine appearance against which orange elements blaze. Handle the geometric flame patterns with care preserving their sharp definition. Polish any metallic elements. Standard blade care applies. Display prominently where the flame's inspiration can reach those needing reminded to set hearts ablaze. The philosophy this sword represents demands daily engagement, not mere shelf decoration.
The flame never dies. Set your heart ablaze with Rengoku's eternal spirit.
Legal Disclaimer
By purchasing from Katana Corp, you acknowledge and agree that:
- You are at least 18 years of age (or the age of majority in your jurisdiction).
- You are solely responsible for verifying and complying with all local laws and import regulations before placing an order.
- Some countries prohibit the importation of swords entirely. Katana Corp is not responsible for orders delayed, seized, or refused by customs authorities.
- All katanas and related products are sold strictly as decorative and display items. They are not intended or certified for combat use.
- Depending on the jurisdiction, swords may legally be considered bladed weapons, subject to specific restrictions or prohibitions.
- Katana Corp disclaims all liability for any injury, damage, or legal consequences resulting from misuse, abuse, or unlawful use of its products.
For full details, please refer to our Terms of Service.
Care & Maintenance
To maintain your katana's appearance and performance over time, we recommend:
- Regularly wiping the blade with a soft cloth to remove fingerprints and moisture.
- Applying a light coat of choji oil to prevent rust (for carbon steel blades).
- Storing the sword in a dry place, preferably inside its saya.
- Avoiding direct contact with hard surfaces to preserve sharpness and finish.
For more care tips, check our full maintenance guide in the FAQ section.
Behind the Blade
Every katana we offer carries the essence of centuries-old craftsmanship.
More than just a weapon, the katana symbolizes discipline, honor, and mastery.
Our artisans draw inspiration from traditional forging methods to ensure each blade reflects the spirit of the samurai — strength, precision, and soul.
Owning one is not just about aesthetics — it’s about carrying a piece of that legacy.
User Experience
This katana is designed to offer a perfect balance between blade and handle.
Its ergonomic tsuka (handle) allows a secure two-handed grip, while the weight distribution ensures smooth, fluid movement.
Whether for training, display or cutting practice, handling feels natural and precise.

The Art of Traditional Forging
Each katana we craft is born from centuries of samurai tradition.
Our master smiths shape every blade by hand, folding the steel to achieve unmatched strength, flexibility, and beauty.
This time-honored process is not just about creating a weapon? it’s about preserving a legacy of discipline, honor, and artistry.

Materials Chosen Without Compromise
We select only the highest-grade steels and authentic fittings to ensure every katana is both a masterpiece and a reliable companion.
From the flawless hamon line to the perfectly balanced tang, each detail is carefully inspected to meet the highest standards of performance and aesthetics.

More Than a Sword, A Lifelong Legacy
Owning a handmade katana is an experience that goes beyond the blade itself. It’s holding history, tradition, and craftsmanship in your hands.
Whether displayed as a work of art or wielded with precision, your katana will stand as a symbol of timeless skill and dedication for generations to come.
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Key Destinations
United States: 5–7 days
Canada: 5–7 days
Australia: 6–9 days
Denmark: 4–6 days
Netherlands: 3–5 days
Sweden: 4–6 days
Switzerland: 3–5 days
Finland: 5–7 days
Singapore: 6–8 days -
Central European Partners
France: 2–3 days
Germany: 3–5 days
Spain: 4–6 days
Italy: 4–6 days
Belgium: 3–5 days
Austria: 4–6 days
Ireland: 4–6 days
Poland: 4–6 days
Portugal: 4–6 days -
Extended EU Network
Czechia: 4–6 days
Hungary: 4–6 days
Slovakia: 4–6 days
Slovenia: 5–7 days
Romania: 5–7 days
Bulgaria: 5–7 days
Croatia: 5–7 days
Serbia: 5–7 days
Estonia: 5–7 days
Latvia: 5–7 days
Lithuania: 5–7 days
Luxembourg: 3–5 days
Greece: 5–8 days -
FAQ’s
Visit our FAQs page to find answers to common questions.