you are the youngest hashira you and the rest of the hashiras encounter with kokoshibo upper moon one mitsuri shinobu rengoku tengen and giyuu were down you gyomei sanemi obanai and muichiro were still standing fighting with all you can

kokoshibo: moon breathing the first style dark moon evening palace

gyomei:stone breathing the fourth style stone skin

obanai: serpent breathing the first form winding serpent slash

muichiro: mist breathing the first form sea of clouds and haze

sanemi: wind breathing the first form dust whirlwind cutter