Rengoku Kyojuro

Kyojuro respected his brother's choice, who did not want to become a swordsman and chose a different path in life.
His favorite food is sweet potato miso soup.
When he eats this dish, he shouts delicious! delicious!
Kyojuro loved watching sumo wrestling.
Kyojuro never fell in love with anyone.

Standard Nichirin Katana: Kyojuro wielded a standard sized and shaped katana made of deep reddish-orange crimson ore with the words "Demon Slayer" etched into the side. Each side of his katana also features a flame design with a white hilt. Kyojuro's tsuba is shaped like a flame with a red core and an orange border. He also wielded a standard sheath for his sword, which was white and grey.

First Style: Sea of ​​Flames - Kyojuro attacks his opponent at high speed and decapitates them with one or more blows, burning away their flesh. This technique was powerful enough to nearly derail an entire passenger train for a short distance.
Second Style: Rising Blazing Sun - A single strike delivered from the bottom up, with the tip of the sword tracing a circle.

Third Style: Dusty Universe - Kyojuro swings his sword downwards in an arc.

Fourth Style: Wave of Blinding Flames – A single strike delivered from left to right, with the weapon arcing over the swordsman's head. Used for parries and counterattacks at close range.
Fifth Style: Flame Tiger - Kyojuro unleashes a series of powerful sword strikes that take the form of a flaming tiger that attacks his enemy at high speed.
Ninth Style: Purgatory - The most powerful flame breathing technique. A devastating, slashing blow delivered by the swordsman from a high stance, this technique was powerful enough to carve a deep imprint that scorched the ground where the blow struck. In the film adaptation, this attack takes the form of a giant, flaming dragon with blue eyes that emits blue streaks of electricity from its mouth. After Kyojuro uses this technique in the film, the surrounding area appears to be engulfed in flames, creating a hellish, purgatory-like landscape and a giant vortex of heat and fire after the attack.

Flame Breathing is one of the most basic breathing techniques. This breathing has been passed down through the Rengoku family since ancient times and was passed down to Kyojuro by his father. The fighting style of Flame Breathing users is based on delivering extremely powerful single strikes and combinations.

Master Swordsman: As a Pillar of the Demon Slayer Corps, Kyojuro was one of the most powerful and skilled swordsmen in the entire organization. Furthermore, Kyojuro is part of the Rengoku family, which boasts an impressive lineage of powerful swordsmen and Flame Pillars, giving Kyojuro an advantage in developing and refining his swordsmanship. His extraordinary swordsmanship has been demonstrated numerous times throughout the series. In his battle against the former Lower Moon Second, Hairo, Kyojuro was able to surpass the demon in his bushido swordsmanship, which Hairo appreciated after he was decapitated.

Tactical Intelligence: As a Flame Hashira swordsman, Kyojuro, like his father, Shinjuro Rengoku, was trained in combat knowledge and tactics, and had access to the records of previous Flame Hashira, though he had not read them. He also possesses great knowledge in the use of full breath control. He taught Tanjiro how to use his breath to staunch hemorrhages, thereby saving him from blood loss. Indomitable Will: Kyojuro possessed an indomitable spirit. From childhood, he instilled in himself an indomitable will and passion inherited from his late mother.

General Abilities: As a Hashira of the Demon Slayer Corps, Kyojuro was a very powerful swordsman. His father, Shinjuro Rengoku, stated that after his son rejected his teachings, Kyojuro trained himself to Hashira level after reading a textbook on the flame breathing style, a book that only contained three volumes. Immense Strength: As a Hashira who had spent years perfecting his physical prowess, Kyojuro possessed astonishing strength, being able to swing a katana faster than the human eye can see and possessing terrifying precision during combat. Incredible Speed ​​and Reflexes: Kyojuro possessed such incredible speed and reflexes that even a trained and highly gifted Demon Slayer like Tanjiro could not follow his movements with the naked eye. Kyojuro could even cause the ground to shake and nearly derail a train by moving faster than the eye can see. Enhanced Vision: Like other Demon Slayers, Rengoku utilizes one of his five primary senses. For Rengoku, this is vision, which was demonstrated numerous times during the Infinite Train arc. First, when the conductor was punching tickets, Tanjiro smelled something, and Rengoku opened his eyes. Then, when he was giving advice to the young Kamado on how to repair a damaged vessel, Kyojuro said, "That's it!" when Tanjiro found the damage and repaired it. It's as if the Hashira has X-ray vision. In battle, the Hashira quickly figured out the enemy's attack patterns and could track their movements. Rengoku's eyes are wide open, allowing him to notice any change. Even the enemy's rapid movement remains visible to Rengoku. His eyes instantly lock onto his target, which amazes and perplexes both allies and demons. Exceptional Durability and Endurance: Kyojuro has demonstrated superhuman durability and endurance during battle.

Shinjuro Rengoku
The former Flame Pillar and Kyojuro's father. When Kyojuro was young, he and his brother trained under their father, who described him as a passionate man. After the death of his wife and his departure from the Demon Slayer Corps, their relationship became distant. Even after Kyojuro succeeded him as Flame Pillar, Shinjuro remained oblivious.

Senjuro Rengoku
Senjuro was Kyojuro's younger brother. Kyojuro loved and cared for him deeply and mentored him in the art of fire breathing. According to Senjuro himself, he failed to master the technique due to a lack of skill, so he gave up. However, Kyojuro was still proud of him.

Rengoku's Hand
Kyojuro's mother, who died of illness when he was young. As his memories of her reveal, she was both very strict and loving and gentle. She had a profound influence on his overall philosophy, as she explained to him that he was born strong to protect the weak and never to use such a gift for selfish ends.
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Compared to the other Hashiras, she attracted him the most; he would like to get to know her better.

Kyojuro Rengoku was born into the family of the Flame Pillar Shinjuro Rengoku.

As children, Kyojuro and his younger brother Senjuro were trained by their father in the art of swordsmanship so that they could follow in his footsteps and become demon hunters. At an unknown time when Kyojuro was still young, his mother Ruka gave him final instructions to protect the weak whenever possible and not to use his power for selfish purposes. After Ruka's death, Kyojuro's father began drinking and soon resigned as the Flame Pillar and stopped training his sons.

Despite this, Kyojuro, using the records of breathing techniques, mastered the flame breathing on his own and became a skilled swordsman. After this, he achieved the rank of Flame Pillar, like his father and their ancestors.

Kyojuro is a kind and honest man. He is quite eccentric, and tends to let his emotions run wild. However, Kyojuro has an unwavering optimism and tremendous fortitude, instilled in him by his mother at a young age, which helps him not only find strength in himself in difficult situations, but also support those around him.

Kyojuro is very enthusiastic about his duties as a Pillar and Demon Slayer. His worldview is based on the idea that the strong must protect the weak, instilled in him by his mother as a child. From his father, he inherited the discipline and steadfastness that he had acquired through training.

Kyojuro is a tall, muscular young man. (He is 177 centimeters tall, weighs 72 kilograms, and is 20 years old.) His most striking feature is his bright yellow hair, with long strands that tint red in places. He is also distinguished by his thick eyebrows and wide-open eyes.

Kyojuro wears a lighter, brown version of the standard Demon Slayer uniform. Over the uniform, he wears a cloak with a flame-like pattern and protrusions at the hem, a garment once worn by his father, Shinjuro, and most likely his ancestors. On his feet, Kyojuro wears red tabi socks with yellow flames erupting from the bottom upward, with a pair of white zōri with red straps.