How Old Is Kyojuro Rengoku in Your Name?

It seems there might be a slight mix-up in your search query! While Your Name (Kimi no Na wa) is a beloved anime film, the incredible character Kyojuro Rengoku actually hails from the action-packed world of Demon Slayer: Kimetsu no Yaiba. We're here to clear up any confusion and dive deep into everything you need to know about the beloved Flame Hashira, starting with his age!
So, how old is Kyojuro Rengoku? Kyojuro Rengoku was 20 years old at the time of his death during the pivotal Mugen Train Arc. Born on May 10th, he was a vibrant and powerful young man who left an indelible mark on the Demon Slayer Corps. His story, though tragically cut short, resonated deeply with fans, making him one of the most memorable figures in the Demon Slayer universe.
Kyojuro’s unwavering optimism and immense strength made him a beacon of hope against the demonic threats of the Taisho era. His presence was a source of inspiration, not just to his fellow Demon Slayers but also to the countless lives he touched through his heroic actions. If you're curious to , we have a dedicated guide covering his origins and rise within the Corps.

Understanding Kyojuro Rengoku's Background and Family Legacy

Kyojuro wasn't just any Demon Slayer; he was a scion of the esteemed Rengoku family, a clan renowned for their mastery of Flame Breathing techniques. His father, Shinjuro Rengoku, was a former Flame Hashira himself, and his mother, Ruka Rengoku, instilled in him the profound principle that the strong must protect the weak. This philosophy shaped Kyojuro's entire life and fueled his determination.
Growing up, Kyojuro also had a younger brother, Senjuro Rengoku, whom he deeply cared for. The weight of his family's legacy and the tragic loss of his mother at a young age spurred him to achieve greatness independently, mastering the advanced Flame Breathing forms by studying ancient texts. To , explore our comprehensive guide.

The Iconic Appearance and Unforgettable Personality of the Flame Hashira

Kyojuro was instantly recognizable with his tall, muscular physique and vibrant, flame-like yellow and red hair. He sported the standard Demon Slayer Corps uniform, enhanced by a striking haori that mirrored his fiery persona—a gradient white and yellow pattern with flame-like tips, a cherished heirloom from his father.
Beyond his eye-catching appearance, Kyojuro’s personality was truly infectious. He was incredibly enthusiastic, pure-hearted, and radiated an almost constant optimism, rarely seen without a smile. His unwavering will and sharp tactical mind made him formidable in battle, embodying the ESFJ personality type with his strong sense of duty and warmth towards others. For those eager to , we've got all the details laid out.

The Power of the Flame Hashira: Abilities and Swordsmanship

As a Hashira, Kyojuro was an exceptionally powerful and skilled swordsman. He independently mastered the challenging Flame Breathing techniques, proving his dedication and innate talent. His physical prowess was immense, boasting extraordinary strength, speed, and stamina—enough to nearly derail a train with his speed and withstand blows from an Upper-Rank Demon like Akaza, even while critically wounded.
Kyojuro also possessed a keen extrasensory perception, allowing him to detect demons with remarkable accuracy. His fighting style, based entirely on the dynamic Flame Breathing, was a spectacle of raw power and precision. To , check out our in-depth analysis.

Mastering Flame Breathing: Kyojuro's Signature Techniques

Kyojuro’s command over Flame Breathing was legendary. He utilized a variety of devastating techniques, each more visually stunning and powerful than the last. These forms showcased his incredible control and the sheer destructive potential of his chosen breathing style.
Among his known techniques are:

  • First Form: Unknowing Fire (Shiranui)
  • Second Form: Rising Scorching Sun (Nobori En Ten)
  • Third Form: Blazing Universe (Kien Banshō)
  • Fourth Form: Blooming Flame Undulation (Sei En no Uneri)
  • Fifth Form: Flame Tiger (Enko)
  • His ultimate attack, the Ninth Form: Rengoku (Purgatory), was a high-speed, devastating assault that left an unforgettable impression.
    If you’re fascinated by the intricacies of his combat style, you can in our dedicated guide.

The Legacy of the Flame Hashira's Nichirin Blade

Kyojuro wielded a standard Nichirin Katana, specifically crafted to battle demons. Its blade was a striking reddish-black, adorned with a flame motif, and etched with the words "Destroyer of Demons" (Akki Messatsu). The distinctive, flame-shaped tsuba (handguard) of his sword became an iconic symbol and was later passed down to Tanjiro Kamado, a testament to his enduring influence. Discover more about and its journey.

Kyojuro Rengoku's Sacrifice: The Mugen Train Arc

Kyojuro’s most defining moment came during the Mugen Train Arc, where he bravely confronted the Upper-Rank Three demon, Akaza. After effortlessly defeating the Lower-Rank One demon Enmu, Kyojuro faced Akaza alone, fiercely protecting Tanjiro, Zenitsu, Inosuke, and all the innocent passengers on the train.
Despite fighting with unparalleled bravery and skill, Kyojuro suffered fatal wounds in his battle against Akaza. His heroic sacrifice, however, was not in vain; it profoundly inspired Tanjiro and his companions, galvanizing them to become stronger and uphold the ideals Kyojuro lived and died for. To , delve into our detailed recap.

Mentorship and Enduring Impact

Even before his sacrifice, Kyojuro played a crucial role in mentoring Mitsuri Kanroji, who would later become the Love Hashira. His enthusiastic and supportive nature helped her hone her skills and embrace her unique fighting style. His actions and philosophy had a profound and lasting impact on the entire Demon Slayer Corps, especially on Tanjiro, who continued to carry Kyojuro's spirit and determination forward. To truly , read our analysis of his legacy.

Fun Facts About Kyojuro Rengoku

Beyond his battles and heroic deeds, Kyojuro had a few charming quirks that endeared him even further to fans. His favorite food was a hearty miso soup with sweet potatoes and grilled salted sea bream. He also enjoyed watching Sumo wrestling in his downtime. A habit that fans affectionately remember him for is his booming exclamation of "Umai!" (delicious!) whenever he ate. Interestingly, his surname, Rengoku (煉獄), translates to "Purgatory," a fitting name for a warrior who sacrificed himself heroically. In the spin-off Kimetsu Academy, he makes a reappearance as an enthusiastic history teacher. His iconic voice was brought to life by Satoshi Hino in Japanese and Mark Whitten in English. You can in our dedicated fact sheet.
Kyojuro Rengoku's journey, though brief, encapsulates the very essence of heroism and self-sacrifice. His unwavering spirit continues to resonate, making him a true icon of the Demon Slayer universe. His legacy reminds us that even in the face of insurmountable odds, one can choose to shine brightly and inspire generations.