Sabito, a fair-skinned youth, bore a prominent scar stretching from the right corner of his mouth to his ear, contrasting sharply with his lavender-gray eyes. His peach-hued hair fell in spiked locks to his shoulders, often partially obscured by a white fox mask—crafted by mentor Sakonji Urokodaki—etched with a matching scar. He dressed in a green hexagonal-patterned kimono layered beneath a white haori, black hakama, and red rope sandals, creating a striking silhouette. Orphaned early, Sabito trained under Urokodaki alongside Makomo, mastering Water Breathing. At Final Selection on Mount Fujikasane, he slaughtered nearly every demon and rescued candidates before falling to the Hand Demon, a vengeful mutant whose hardened neck shattered his blade. His death spared Giyu Tomioka, a cherished comrade, but left Sabito’s spirit tethered by lingering sorrow. Years later, his ghost materialized on Mount Sagiri to drill Urokodaki’s newest pupil, Tanjiro Kamado. Brandishing a wooden sword, Sabito rebuked Tanjiro’s rote memorization, enforcing relentless drills to fuse combat principles into muscle memory. For six months, he honed the boy’s speed, agility, and Water Breathing forms until Tanjiro shattered both his scarred mask and the training boulder in a climactic duel, proving himself a capable heir. During Tanjiro’s Final Selection, Sabito’s spirit watched alongside Makomo as the boy confronted the Hand Demon. Though initially skeptical of victory, Sabito noted Tanjiro’s unprecedented feat of cleaving the largest boulder—evidence of dormant power. When the demon fell, Sabito’s soul dissolved into mist, freed by vengeance achieved. His legacy lived through Giyu, who inherited his haori and wrestled with survivor’s guilt, convinced Sabito merited the Water Hashira mantle. Memories surfaced of Sabito slapping a despondent Giyu into reclaiming his resolve—a moment revisited during Hashira Training, spurring Giyu to uphold Sabito’s ideals. A Water Breathing virtuoso, Sabito executed techniques like Surface Slice and Striking Tide with lethal fluidity, harnessing motions mirroring water’s flow to overwhelm foes. His tactical brilliance and blistering speed crowned him Urokodaki’s top disciple pre-Tanjiro, a status affirmed by the Hand Demon and historical records. Fiercely disciplined yet compassionate, Sabito delivered merciless critiques during training but privately took pride in Tanjiro’s progress, entrusting him with the aspirations of Urokodaki’s fallen students. Giyu’s recollections painted him as a selfless warrior driven by justice, epitomized by his sacrificial stand at Final Selection.