Shisui got rid of yhe gunpowder so they wouldn't have any gunpowder to use for the guns. Suirei is Shishou's daughter, and the late Emporers granddaughter. Shisui just explained all that after she blew up the gunpowder

Hey super random but you guys know that Alana Mikaso follows you guys on Patreon ?! 😆 I love when my faves follow my other faves 🥹 hahah