The Hashira are the strongest and most skilled combatants in the entirety of the Demon Slayer Corps, and they are regarded as the most potent swordsmen among all the Demon Slayers. Their existence literally sustains the entire organization. The Hashira, in accordance with their great strength, are the most highly ranked among Demon Slayers, second only to the Corps leader, Kagaya Ubuyashiki, and later, Kiriya Ubuyashiki (in canon).