Kyojuro Rengoku plays a prominent role in the fantasy horror manga series “Demon Slayer: Kimetsu no Yaiba,” which was published from 2016 to 2020. He also features prominently in the 2019 anime television adaptation of the series. Notably, he assumes the role of the deuteragonist in the 2020 anime film titled “Demon Slayer: Kimetsu no Yaiba: The Movie – Mugen Train,” which faithfully adapts the Demon Train arc from the manga.
Profile
Full Name | Kyojuro Rengoku |
Origin | Demon Slayer: Kimetsu no Yaiba |
Birthday | May 10 |
Zodiac sign | Taurus |
Height | 177 centimeters (5’10”) |
Wieght | 72 Kg |
Voices- | |
Japanese | Satoshi HinoMariya Ise (Child) |
English | Mark WhittenRyan Bartley (Child) |
Who Is Rengoku Demon Slayer?

He belonged to the elite group known as the Hashira, a select cadre consisting of the nine most formidable Rengoku demon slayers within the ranks of the Demon Slayer Corps. Specifically, Kyojuro held the esteemed title of Flame Hashira, a master of the art of Flame Breathing. While the scourge of Demons did not directly impact his own life in the same harrowing way it did for many of his comrades, Kyojuro hailed from a lineage of Demon hunters that spanned generations.
He felt a strong feeling of obligation thanks to his ailing mother. This sense of duty finally convinced him to join the Corps and motivated him to commit his life to protecting the defenseless against the demonic forces of evil. Tragically, while on a dangerous assignment, Kyojuro lost his life in a bloody conflict with Akaza, a terrifying demon who was the prized Upper Rank Three of the mighty Twelve Kizuki.
Physical Appearance
Kyojuro possessed the visage of a youthful man, distinguished by his radiant yellow hair adorned with crimson streaks, complemented by bold, ebony-forked eyebrows and gleaming golden eyes. He stood tall, surpassing typical Japanese stature, and his form boasted a notably muscular physique.
In the world of ruka, Rengoku demon slayer attire consisted of a commanding ensemble. He adorned a rich brown gakuran jacket paired with a crisp white belt cinched at his waist, harmonizing seamlessly with his tattsuke-hakama pants. Draped over this traditional attire was a haori featuring an entrancing white-to-yellow gradient pattern, adorned with fiery crimson ridges at its hem—a garment that bore the same significance as the one his father, Shinjuro Rengoku funko pop , once wore during his own tenure as Flame Hashira. Completing his striking ensemble, Kyojuro sported scarlet kyahan, ablaze with golden flames that ascended from bottom to top, all while donning pale brown tabi socks and a pair of white zōri sandals, fastened with vibrant red straps.
Powers

Flame Breathing: Kyojuro harnessed the Flame Breathing technique, enabling him to enhance his physical prowess by manipulating his breath, elevating his strength and agility to rival that of a demon. Kyojuro maintained continuous full-focus breaths, further augmenting his base attributes, including strength, speed, and stamina. By concentrating his breath on specific focal points, he could staunch bleeding from wounds. There exist at least nine distinctive styles associated with the Breath of Flames, with Kyojuro showcasing five of them.
- First Form: Igniting Blaze – Kyojuro swiftly charges toward his adversary, delivering one or multiple slashes that sear the opponent’s flesh, and possesses enough force to momentarily derail the Infinity Train.
- Second Form: Ascending Solar Scorch – Kyojuro executes an upward arching slash attack.
- Third Form: Inferno’s Descent – Kyojuro swings his blade in a sweeping arc, directing it downwards.
- Fourth Form: Fiery Undulating Blossom –Rengoku sword is spinned in a circular pattern, effortlessly deflecting attacks from his foes.
- Fifth Form: Blazing Tiger – A sequence of Rengoku sword slashes, resembling the form of a tiger. Kyojuro employed this technique to challenge Akiza’s Destructive Death: Disorder.
- Sixth Form: Rengoku Fury – An immensely destructive dashing slash initiated from a high stance. The power behind this technique was sufficient to gouge a profound impression into the ground upon impact. Prior to employing this move, kyōjurō Rengoku emphasized his intent to “thoroughly hollow out most of the area.
Rengoku Demon Slayers Exceptional Skills:
- Unparalleled Stamina and Endurance

In the epic story of kyōjurō Rengoku, demon slayers showcased a level of stamina and endurance that stood unrivaled. In the face of his intense encounter with the Flute Demon, Kyojuro endured the excruciating pain of torn eardrums without flinching. Rather than giving in, he pressed on, engaging and ultimately prevailing over his formidable adversary. Even when subjected to a relentless onslaught of bullets and explosions during his showdown with Hairo, Rengoku persevered, maintaining his composure and effectively stalling the situation while all planted bombs were defused. This astonishing demonstration of resilience left Hairo in disbelief, questioning whether he was facing the same person he had encountered earlier.
Rengoku endured multiple life-threatening injuries, including a shattered eye, broken ribs, and severe internal organ damage, all while pushing his physical and mental limits to keep up with Akaza, one of the mightiest demons in existence. Remarkably, even after having his vital Solar Plexus pierced by the Upper Rank’s arm and suffering from severe bleeding, he summoned the strength to repel Akaza. Throughout this ordeal, he never once faltered or displayed any signs of pain or distress, a true testament to his unwavering determination and indomitable spirit.
- Fighting Style

kyōjurō Rengoku, a prominent Hashira within the ranks of the Demon Slayer Corps, stood out as one of their most formidable and knowledgeable swordsmen. His mastery of the blade was truly exceptional and was further bolstered by his lineage as a member of the prestigious Rengoku family, renowned for producing powerful swordsmen, including a Flame Hashira. Throughout the series, Kyojuro consistently showcased his extraordinary swordsmanship skills.
During a crucial duel, Hairo, a former Lower Rank Two, acknowledged Kyojuro’s expertise in surpassing the demon’s bushido Rengoku sword style. Even when facing Enmu in his formidable fused form, Kyojuro’s expert swordplay with the Rengoku sword significantly slowed down the demon, allowing him to convey his tactical insights to Tanjiro and Inosuke. His ultimate demonstration of swordsmanship prowess was witnessed in his battle against Akaza. In this intense confrontation, Kyojuro proved himself more than capable of holding his ground against an Upper Rank demon who had claimed the lives of numerous demon slayer Rengoku and Hashira over the past century. Akaza frequently lauded Kyojuro’s exceptional swordsmanship throughout their fierce clash.
- Rengoku’s Equipment – Standard Nichirin Katana

Kyojuro Rengoku wielded a standard-sized Nichirin katana, bearing the inscription “Destroyer of Demon” on one side of the blade, adorned with a red flame-like pattern. The katana’s hilt was carefully wrapped in what appeared to be white leather material. Its handguard resembled flames, featuring an orange border and a red core. Kyōjurō Rengoku also carried a conventional Rengoku sword sheath in a classic color combination of white and gray.
What Does Rengoku Costume Look Like?
Rengoku costume comprises a brown gakuran jacket, a white belt tightly fastened at the waist, and tattsuke-hakama trousers, a modified version of the traditional Demon Slayer Rengoku costume. In addition, he donned a haori, a garment once worn by his father Shinjuro, likely during their respective tenures as Flame Hashira. The haori boasted vibrant fiery red patterns at its hem, fading into a gradient of white and yellow. Reng oku funko pop also sported white zori sandals with striking red straps, pale brown tabi socks, and red Kyahan leg guards adorned with vivid yellow flames at the base.
When Kyojuro Rengoku initially enlisted in the Demon Slayer Corps, he wore the standard Demon Slayer Rengoku costume . However, as he advanced in rank, he eventually adopted an entirely white haori before ultimately donning his iconic flame-patterned one.
Kyōjurō’s Trivia:

- A fan of sumo and wrestling, Kyōjurō enjoyed watching these sports.
- His favorite snack was sweet potatoes.
- Kyōjurō’s preferred side dish was salt-grilled bream.
- Celebrating his birthday on May 10, Kyōjurō falls under the Taurus zodiac sign.
- In the first character popularity poll, Kyōjurō secured the 7th position with 1,021 votes.
- Despite his desire for a pet, Kyōjurō was unable to have one due to his father’s aversion to animals.
- Notably, Kyōjurō was one of only four Hashira who wielded a standard Nichirin Katana. The other three were Giyu Tomioka, Sanemi Shinazugawa, and Muichiro Tokito.
Conclusion
Kyojuro Rengoku, an adored figure within the Demon Slayer series, is widely renowned for his exceptional talents, charming disposition, striking visage, and formidable combat prowess. He has a particular place in fans’ hearts because of his flaming, colorful hair, charming personality, and unyielding resolve. Being a steadfast member of the Demon Slayer Corps, Rengoku distinguishes out for possessing unmatched stamina, physical strength, enhanced sensory perception, and expert swordsmanship. His signature Nichirin katana, engraved with the words “Destroyer of Demon,” serves as a potent symbol of his unwavering commitment to safeguarding humanity from the clutches of demons. In sum, Kyojuro Rengoku’s character has left an enduring mark on the demon slayer Rengoku phenomenon, earning him a cherished spot in the hearts of aficionados.