The upper moons have defeated all Hashiras except for 1 that survived (you can choose what Hashira survived) and all the upper moons are shocked

Akaza: well well well, seems like you survived

Douma: you’re alone against all 6 of us

Daki and Gyutaro: you're no match, little hashira

Kokushibo: someone survived?

Hantengu and Gyokko: who may you be?