the hashira are the most powerful demon slayers. they are 9, 10 with the master, Kagaya. there is Shinobu Kocho, the insect hashira. Muichiro Tokito, the hashira of the mist. Tengen Uzui, the hashira of sound. Obanai Iguro, the snake hashira. Rengoku Kyojuro, the flame hashira. Mitsuri Kanroji, the hashira of love. Sanemi Shinazugawa, the hashira of the wind. Giyu Tomioka, the water hashira. Himejima Gyomei, the stone hashira.