I don't know if only the GM's are supposed to critique characters, but how does she have a lightfooted, dancelike fighting style while wielding a weapon four inches taller than she is, especially considering she'd be using it entirely based on her sense of hearing? And especially since it's a polearm hammer, which is heavy and bulky, and turns into a carbine, which again is not a weapon that lends itself to the kind of fighting style you say she has, and the fact that she's blind (which I like by the way) makes her fighting style and weapon choice even less logical to me at least. Her personality and body type doesn't seem to match up with it either, a lightweight, medium height girl with refined taste and a love of elegance using a brute force weapon? The two don't seem to mesh, if you insist on a polearm I'd suggest a spear of some type, if not then knives or a sword and a knife fit her personality better, perhaps a spear that turns into a sword and a gun, something accurate but not terribly powerful, and by sword I mean like a rapier or an estoc, maybe a longsword. Elegance in combat actively avoids bulling through opponents with brute force weapons, like large hammers and axes, but instead relies on precise strikes and wearing opponents down, avoiding attacks rather than blocking them, the fact that she's a bat Faunus can give you a bit more utility out of her sense of hearing, locating enemies by their movements and even their breathing once she's close enough. Yes her blindness makes the kind of precision combat I'm talking about more difficult, but certainly not impossible, sharp senses can make up for lack of eyesight to a degree.

You have numerous spelling errors, you should check on that.

if I've overstepped any boundaries I apologize, I just felt like throwing my two cents in there, feel free to ignore this whole thing