She makes a good action/romantic heroine, Kinslayer summed it up nicely.
One hole to be filled is her sudden jump from noble daughter to a frontline warrior. There should be a mention of where she gained the skill (also a potential for plot hooks). The rest flows straightforwardly on, no surprises there: drama and adventure awaits. Go to Comment
Plausible backstory? Check. Graphic description, both physical and social? Check. Distinctive character colour? Check. No eye-rolling moments reading the write-up? Check. Motivation independent of the pc's? Check. Good potential for interaction with the pc's? Check. Distinctive and memorable? Check. Go to Comment
Not terribly. Usually if provoked, they'll run off, and they're not very territorial either. But if one were to rile an aerophin up enough, it could fight back and cause some nasty bites. Go to Comment