There was a thunk as Spitfire gently head-butted a shelf. "Where do you ponies get these ideas about wing-blades? They're hard to make, hard to teach how to use, harder to learn how to use, and can be just as dangerous to the user as they can to their enemy. I think the griffon emperor's honour guards are the only ones to even use them as standard any more, and they're mostly just ceremonial.