Kyojuro Rengoku – Bio, Facts, Age, Quotes, Strengths, Weaknesses

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Kyojuro Rengoku was one of its main characters Demon Slayer: Kimetsu no Yaiba And was the Pillar of Flame of the Demon Slayer Army.

Kyojuro is Shinjuro’s eldest son. Kyojuro Rengoku was born into the Pillar of Fire Shinjuro Rengoku clan.

Kyojuro has long bright yellow hair with black spiky eyebrows and large golden eyes that turn red with white pupils.

He is tall and athletic. Despite being a gentle and honest person, Kyojuro is portrayed as quite eccentric and expresses his emotions easily.

Kyujuro fulfills his duties as a demon slayer and pillar with such passion. Kyojuro inherited his father’s discipline and brutality through his schooling. Kyojuro is present along with the other pillars when Tanjiro Kamado wakes up.

Kyojuro is sent to investigate a series of brutal attacks in a small town, believing it to be related to the disappearance of forty passengers on an Infinity train.

He meets another monster slayer at a ramen shop and they discuss their next plan of action. Kyojuro was dying, killed by Akaza.

Here he made his first appearance Assembly of Pillarswho decided the fates of Tanjiro and Nezuko Kamado and Guyu Tomiyuki after the events of Mount Natagumo.


  • Real Name: Rengoku Kyojuro (煉獄 杏)
  • Stage Name: Kyojuro Rengoku
  • Nickname: Kyojuro
  • Birthday: May 10
  • Age: 20 years old
  • Gender: Masculine
  • Hobbies:
  • Hero Type: Legion of Demon Slayer
  • Manga Debut: Chapter 44
  • Anime Debut: Episode 21
  • Japanese Voice Actor: Satoshi Hino, Maria Ise (child)
  • English Voice Actor: Mark Whitten, Ryan Bartley (son)

Height, weight and physical appearance

  • Height: 177 cm (5’10”)
  • Weight: 72 kg (159 lb)
  • Hair Color: Blonde with red tips
  • Eye Color: Golden with red irises

the family

  • Father: Shunjuro Rengoku
  • Mother: Ruka Rengoku
  • Brother: Senjuro Rengoku (younger brother)
  • Sister:-
  • Friends: Mitsuri Kanroji, Tanjiro Kamado, Inosuke Hashibira, Nezuko Kamado
  • Enemies: Enmu, Hero, Akaza

the facts

  • Kyojuro’s surname (煉れん獄ごく Rengoku) means “purification” and his first name contains the kanji for “apricot” (杏 Kyō), “longevity” (寿 Ju)”, and “son” (郎 Rō).
  • Kyojuro likes to watch sumo wrestling.
  • Kyojuro’s favorite food is sweet potato.
  • His favorite side dish is seabream grilled with salt.
  • Kyojuro was never allowed to have pets because his father hated animals.
  • Kyojuro’s most distant ancestors, as Kyojuro points out, ate a lot of tempura, which made their descendants and his own hair very unusual.
  • During his first mission, Kyojuro tore his own eardrums to counter Flute Demon’s Blood Demon Art. This is unknown but unlikely to have permanently affected his hearing.
  • Kyojuro has two mottos: “If you give it your all, you will stand your ground even after death.” and “Nothing is impossible if you put your mind to it.”
  • It is revealed that Kyojuro is a real-life model, and most of the characters are modeled after real-life people. They are usually ordinary people whom the author knows.
  • The Rengoku family has a long tradition called “kanakagari” that for the duration of their pregnancy, every seven days the wives stare at a large burning torch for two hours. This makes the men in the family look like they have fiery hair.
  • Kyojuro is one of the only 4 Hashira to use the normal Nichirin katana. The other 3 are Giu Tomioka, Muichiro Tokito, and Sanemi Shinazugawa.
  • At Kimetsu Academy, Kyojuro is a history teacher. Because of his passion for teaching and his love of history, he began to beat his students in class and start cavalry battles. He loves his students and no one at this academy has ever gotten terrible grades in history.
  • He is the mentor of Mitsuri Kanaroji. He teaches her about Flame Breathing and she later evolves into Love Breathing.
  • As Hashira, Kyōjuro possessed incredible speed and reflexes, which led him to be entranced by the Akaza, three high-ranking demons, and asked to become a demon.


  • Flame Breath: This breath was passed down through the generations in the Rengoku family, so it was passed down to Kyojuro through his father, Shinjuro Rengoku.
  • Sea of ​​Fire: Kyojuro charges his opponent with great speed and decapitates him with one or more blows.
  • Rising Sky Ignite: Pillar uses a bottom-up attack.
  • Universe of Flame: Kyojuro delivers a powerful blow with his blade.
  • The Flamboyant Wave: The swordsman swings his sword in a circular motion, deflecting his enemies’ attacks.
  • Flame Tiger: A series of swords in tiger form.
  • Purification: A devastating blow launched from a high position. Due to this technique, a pit appears in the ground.


  • Many of his peers can’t keep up with Kyojuro because he is “reckless” which makes him jump to conclusions, change his mind quickly, eat quickly, and so on.
  • He was sensitive to other people’s feelings
  • Rengoku doesn’t have Tsuguko because of how hard his training is and they run away.


“Not being alone, I think that’s a blessing.”

“Fire your heart, go beyond your limits!”

“No need to wait now, let’s get this done.”

“I will do my duty! I will not let anyone die here!”

“Tell my father to take care of himself.”

“True power does not refer only to the physical body.”

“Strength is not a word that has a meaning related to the flesh.”

“It is the duty of those born strong to help those less fortunate.”

“We must be the glue to Hashirus that holds the demon slaying corps together.”

“Tell my little brother Senjuro to follow his heart and follow the path he sees fit.”

“However, if you set your sights on the innocent, my blade of bright red flame will burn you to the bone!”

“You have a burning passion in your heart. So let’s try our best. Let’s work hard in life. Even if we are alone.”

“Don’t feel bad that I’m going to die. As Hashira, it is only natural that I protect you all. Young buds should be allowed to bloom.”

“To think this all happened while I was sleeping… how could this be? I am ashamed to be Hashira. If only I could crawl under a rock.

“Grit your teeth and look straight ahead, whether you stop or stoop, time will not wait for you or mourn with you.”

“Warriors fighting to save other people’s lives are precious. His pure and single-minded dedication contrasted with his natural talent.”

“Life is a series of decisions. You never have unlimited options or unlimited time to think, but what you choose in that moment defines who you are.”

“Aging and dying give meaning and beauty to the fleeting period of human life. It is precisely because we grow old and die that our lives have value and nobility. Strength is not a word that means much in relation to the flesh.”

“And Senjuro, you’re different from me! You have a big brother! And he believes in his little brother! Either way you walk, you will be a great person! You have a burning passion in your heart! So let’s do our best! Let’s work hard in life! Even if we’re alone”

“Go ahead and live with your head held high. No matter how devastated you are by your own weakness or worthlessness, set your heart on fire. Grit your teeth and look straight ahead. Even if you stop and bow down, time does not wait for you or strangle you and mourn with you. Don’t feel bad that I’m going to die here. As a Hashira, I will certainly protect my younger sons.”

Frequently Asked Questions of Kyojuro Rengoku

Who is Kyojuro Rengoku?

He is one of the main characters in Demon Slayer: Kimetsu no Yaiba And the Demon Slayer Army’s Pillar of Flame.

How old is Kyojuro Rengoku?

He was 20 years old when he died.

Why is Rengoku’s hair red?

While his mother was pregnant with him, she had a A practice called “Kankagari” where she spends two hours staring at a large burning torch.

What is Kyojuro Rengoku’s favorite side dish?

His favorite side dish is seabream grilled with salt.

Even though Kyojuro Rengoku is a dead character, his role is huge. All Hashiras respect and admire him for his constant positive attitude and passionate spirit. He is a fighter of principles and has a duty to protect the weak.

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