Giyu

Biodata

Power Progression

Background and History

Giyu trained under former Water Hashira Sakonji Urokodaki alongside Sabito and Makomo. His sister Tsutako died when he was a child; an elderly neighbor helped arrange her funeral. The demon responsible had already been killed by another Corps member 5 43 44.

During Final Selection on Mount Fujikasane, Murata carried an unconscious Giyu away from the Hand Demon while Sabito stayed to fight it. Giyu returned, killed the demon, and helped the wounded Sabito descend. Both chose to join the Demon Slayer Corps after surviving the selection 1 3 4.

On Defiled Wood Mountain, Giyu fought beside the poisoned Akamatsu Enjirō to protect unconscious Corps members. They defeated the demon controlling the forest, though both were badly wounded 10 12.

At Blue Stone Town, Giyu allowed frightened villagers to deliver him to the Ironfast Fist Dojo as an offering. There he fought Lower Rank One Tetsusai, whose attacks shattered his sword and left him near death. Giyu awakened the Transparent World and ultimately defeated him alone. Kagaya Ubuyashiki subsequently appointed him Water Hashira and sent him to Swordsmith Village for a replacement blade and recovery 16 19 20 22 27.

At Crimson Sakura Village, Giyu came to Gyomei Himejima’s aid and killed three Lower Rank demons. After helping bury Kanae and Shinobu Kocho’s parents, he took responsibility for bringing the sisters to Urokodaki for training. He later trained them himself and demonstrated the ten basic forms of Water Breathing before departing for a Hashira meeting 40 41 43 44 47 50.

Appearance

Giyu has a youthful face, a slender build, and an expression that often appears detached 12 28 45.

• Hair and eyes: Long black hair tied back, with loose strands over his forehead, and ice-blue eyes 2 28.
• Clothing: Initially wore a red haori left by Tsutako; it was too badly damaged to wear after his battle with Tetsusai. He later wore a white haori patterned with mountains and water 25 27.
• Age: He was thirteen when he became a Hashira 28 37.

Personality

Giyu is quiet, direct, and often expressionless. His blunt answers can sound arrogant or insulting even when he intends to be honest. After defeating Sabito in a spar, he said he did not know how he had grown stronger and was “different” from them, prompting Sabito and Urokodaki to mistake his explanation for boasting 5.

He shows concern through actions rather than elaborate speeches: he returned for Sabito, supported him on the journey home, and refused to blame Blue Stone Town’s villagers for offering him to a demon out of fear. He also credited luck for his victory over Tetsusai rather than readily accepting praise 1 4 16 27.

Giyu is resolute about fighting demons but attentive to the people left behind. Remembering his own grief for Tsutako, he helped the Kocho sisters bury their parents and later accepted responsibility for taking them to a trainer 43 44.

Abilities & Skills

Heaven-Defying Comprehension

The system’s unreclaimed reward accelerated Giyu’s understanding and application of Water Breathing 1.

• He gained an instinctive grasp of the ten forms while racing back to Sabito 1.
• During the Hand Demon battle, his body control and awareness continued to deepen as he fought 3.
• Giyu later attributed part of his ability to strike Tetsusai’s openings to the intuition granted by this comprehension 26.

Water Breathing

Giyu uses Water Breathing’s flow and adaptability to evade, redirect attacks, and strike precisely. He demonstrated all ten basic forms for Kanae and Shinobu 3 45 50.

• Striking Tide: Redirects attacks; against the Hand Demon, he struck its arms at their joints and points of exertion 3.
• Constant Flux: The Tenth Form, which he used to behead the Hand Demon. His later Boundless Flux variation created a vortex that drew in Wood Demons and debris 3 11.
• Total Concentration: Constant: Allows him to maintain the breathing rhythm instinctively in daily life 6.
• Dead Calm: His Eleventh Form, used as he intervened against an attack at Crimson Sakura Village 40.
• Limit: Urokodaki warned that Giyu’s sharp, forceful attacks could break against a sufficiently strong opponent 6.

Transparent World

Giyu awakened this state while near death against Tetsusai. It let him perceive the demon’s body and movements with extraordinary clarity 20.

• He identified points where power gathered, weaknesses, and openings between techniques 26 27.
• Using his broken sword, he severed both of Tetsusai’s arms 20.
• He later used the state to increase his speed while rushing to Crimson Sakura Village 38.

Equipment

• Nichirin Blade — His earlier blue blade was shattered by Tetsusai’s Steel Fist Seal 7 19.
• Azure Tide — His replacement Nichirin Blade, presented by the Swordsmith Village chief. When Giyu drew it and breathed, it developed a dark-blue-to-sky-blue gradient with a white edge, while dark-blue water imagery curled around it 28.
• Tsutako’s red haori — A keepsake from his sister, rendered unwearable by the damage sustained in Blue Stone Town 25.

Relationships

• Sakonji Urokodaki — Giyu’s Water Breathing teacher and a father figure. He advised Giyu on his swordsmanship and later trained the Kocho sisters at Giyu’s request 5 6 47.
• Sabito — Fellow disciple and senior. Giyu returned to save him from the Hand Demon; Sabito later resolved to become strong enough to fight beside him 1 3 23.
• Tsutako — Giyu’s deceased sister. Her memory encouraged him to keep living during his near-death encounter with Tetsusai 20 25.
• Makomo — Giyu’s deceased senior disciple. The Hand Demon taunted him about killing her, and her image later appeared to encourage him against Tetsusai 3 20.
• Kanzaburo — Giyu’s Kasugai Crow and mission messenger. He sought reinforcements during the fight with Tetsusai and guided Shinjuro toward headquarters afterward 9 17 22.
• Shinjuro Rengoku — Flame Hashira who recognized Giyu’s courage on Defiled Wood Mountain, carried him for treatment after Blue Stone Town, and affirmed his fitness to become a Hashira 12 22 27.
• Gyomei Himejima — Fellow Corps swordsman whom Giyu met at Swordsmith Village. They later fought at Crimson Sakura Village and helped the Kocho sisters bury their parents 29 40 43.
• Kanae and Shinobu Kocho — Sisters Giyu aided after their parents’ deaths. He brought them to Urokodaki and helped train them, though his bluntness sometimes unsettled them 43 45 47 50.

Trivia

• Giyu particularly loves Urokodaki’s salmon and daikon 50.
• Kanzaburo once led him the wrong way, making him late to his meeting with Kagaya and Shinjuro 27.