Stand back or I'll blast you!

This took me a few days to fine tune... the original intent was to have her firing her beam, but I was having some trouble with that and changed it to where she's charging her magic up (As indicated by the glowing horn).

And I swear, her cutie mark is a little hard to draw, mainly due to the star placement and whatnot. I finished this yesterday, but I was too tired to submit it...