Ok, I'm done too finally.
Here it is:
FINAL ENTRY
http://tsukiyo.planet.ee/hermagic.jpg
The big canvas, grayscale and her pose kinda play with the setting. It's supposed to emit the power of her magic that doesn't need colors or big and fancy background or anything like that. It's just her, and what she can.
I have to say I tried out something completely new this time, I haven't done anything like this before and I also used a pose reference for that.
I'm not 100% satisfied with the proportions actually but it's pretty much what my reference looked like and I'm not gonna change anything anymore xD
The big, magician only version is here:
http://tsukiyo.planet.ee/epic.jpg