Rengoku Kyojuro : A Demon Slayer Character

November 22, 2021
Rengoku Kyojuro

Rengoku Kyojuro is a crucial character in Demon Slayer: Kimetsu no Yaiba, a fantasy-horror manga series from 2016 to 2020 and was adapted into a 2019 anime television series.

He plays the deuteragonist in Demon Slayer: Kimetsu no Yaiba: The Movie – Mugen Train, a 2020 anime film based on the Demon Train arc of the manga.

Kyojuro was one of the nine Hashira, a Demon Slayer Corps’ most excellent Demon Slayers group.

Kyojuro was the Flame Hashira who used the Flame Breathing technique.

While Demons, like many other Corps members, had not personally harmed him, the Kyojuro family produced Demon hunters for decades.

With a sense of responsibility ingrained in him since infancy by his ailing mother, Kyojuro regarded it as his duty to protect the innocent from Demons and joined the corps to serve humanity.

Kyojuro was killed in battle against Akaza, the demon that held the position of Upper-Rank Three among the Twelve Kizuki, on a mission.

In the Japanese version of the anime, he was portrayed by Satoshi Hino and Mariya Ise as a youngster, while in the English dub, he was voiced by Mark Whitten.


Rengoku KyojuroKyojuro was a young man with golden eyes, vivid yellow hair with crimson streaks, and black forked eyebrows. By Japanese standards, he stood at a respectable height and had a robust frame.

His costume included a white-yellow gradient design with red flame-like ridges at the end and the standard Demon Slayer uniform.


Kyojuro was ecstatic about his responsibilities as a Hashira and was frequently delightfully quirky.

He was tremendously personable and generous, and he wore a happy look virtually all of the time.

He possessed exceptional technique and swordsmanship as a result of rigorous training and discipline.

Kyojuro was a devout warrior who lived by his mother’s code of morals and ideals.

The most important of which was that those born strong have a responsibility to protect the vulnerable.

Meeting of Hahira

Kyojuro and the rest of the Hahira were summoned to Demon Slayer Headquarters for a semi-annual Hashira gathering and a trial.

Tianjin Kamado and Nezuko Kamado were the suspects in the issue; the former was a Demon Slayer who had shielded his demon sister (Nezuko) in clear violation of the Corp’s code.

The Water Hashira Giyu Tomioka was also found guilty of the same crime, albeit postponed his punishment.

While Shinobu Koch wanted to know why Tanjiro broke the code, Rengoku and the majority of the Hahira wanted to put Tanjiro and his sister to death on the spot.

When Ubuyashiki chose to sanction Tanjiro’s condition, he expressed his displeasure respectfully, and he was taken aback when the master revealed that Tanjiro had met Muzan Kibutsuji himself.

Sanemi Shinazugawa tried to get Nezuko to drink his nutrient-rich blood, and Kyojuro subsequently respected Tanjiro for boldly declaring that he would fight Kibutsuji.

Train Mugen

It turns out that Enmu, the strongest of the Lower Moon group with the capacity to hypnotize people and influence dreams, is a member of the Twelve Kizuki.

Using Blood Demon Art, the claimed demon struck, boarding all passengers as the train was running.

Four persons working for Enmu sought to infiltrate Kyojuro’s group’s dreams and destroy their spiritual cores during the spell.

When the girl successfully accesses Rengoku’s core, he may appear to be aware of what is going on in his subconscious as he thwarts the girl by nearly suffocating her in self-defense.

Other Enmu hirelings likewise failed to destroy Kyojuro’s group’s spiritual centers.

Inside his dream, Kyojuro defended the passengers from a twin-faced and multi-armed monster that attempted to kill them before putting them down one by one alongside Tanjiro and the rest in scenes exclusive to Mugen Train.

He asks him to go to the central part of the train that locates Enmu’s neck.

In contrast, he goes from cart to cart to protect the passengers as he slashes Enmu’s embodied positions around the train alongside Zenitsu, Inosuke, and Nezuko after waking up to find the entire train taken over by Enmu and with Tanjiro already attempting to defeat Enmu.

While Tanjiro was doing this, Kyojuro fought off Enmu’s attempts to feed on passengers and protect various portions of the train, while Inosuke and Zenitsu struggled to defend just one.

After Enmu’s defeat and death, he uses his Total Concentration Breathing to aid wounded Tanjiro stop bleeding in his belly while telling him that he’ll be able to achieve anything by tomorrow since he’ll become more robust and won’t have to force it.


During his final moments with Tanjiro and Inosuke, Kyojuro informs them that there are notes about Hinokami Kagura and other matters about the answers he sought and invited them to visit his house.

As he accepts his imminent fate, he states to Tanjiro that he is too weak to utilize his Breathing technique to heal the wound given by Akaza, which was too serious about being healed by human means anyhow.

Recognizing that he doesn’t have much time left, Kyojuro tells Tanjiro about telling his younger brother Sanjuro and his father the many things he wanted to say to them and how he supports Nezuko’s conduct because he considers her a member worthy of the Demon Slayer Corps.

Then he told Tanjiro that he shouldn’t keep crying for him because it was natural for a Hashira to defend their younger, and he used his final words to Tanjiro to encourage them, saying that he, Zenitsu, and Inosuke will become the future for their generation.

He encounters his mother in a vision before he dies, and when he asks if he did everything correctly, she says she is proud of what he did. Kyojuro smiles one last time before eventually passing away.

Capabilities and Powers

Flame Breathing enhances the amount of oxygen in his blood by manipulating his breathing rhythm, allowing him to match the strength and agility.

Kyojuro had learned to take full-focus breaths at all times, boosting his foundation strength, speed, and stamina even further.

He was able to stop bleeding from injuries by focusing his breathing on specific points.

The Breath of Flames can be employed in at least nine different methods. However, Rengoku only demonstrated five of them.

First Form: Unknowing Fire (Ichi no kata: Shiranui) – Kyojuro charges at his opponent at fast speed and decapitates them with one or more slashes that sear his opponent’s skin.

This approach was powerful enough to propel the entire Infinity Train a short distance off the tracks.

Second Form: Rising Scorching Sun (Ni no kata: Nobori En Ten) – Kyojuro attacks upwards with an arching slice.

Kyojuro sweeps his blade downwards in an arc in his third form, Blazing Universe (San no kata: Kien Bansh).

Fourth Form: Blooming Flame Undulation Shi no kata: Sei En no Uneri) – Kyojuro spins his blade in a circular motion, diverting the strikes of his opponents.

Flame Tiger, the fifth form, was a succession of sword slashes that took on the shape of a tiger.

Kyojuro employed this technique to counter Akaza’s Destructive Death: Disorder.

Rengoku, Kyojuro’s Ninth Form, is a powerful dashing slash that he launches from a high stance, with enough force to carve a deep impression in the earth where he used it.

He mentioned to himself before applying this technique about “thoroughly hollowing out most of the are.”

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