[@A Lowly Wretch]

I can say that that magic is too powerful. For a number of reasons in fact. Not only are those Avatars too numerous (making her way more flexible powerwise than any other girl), their combination of powers can lead to broken effects with ease.

- Disturbing activation imagery aside, the ability to effectively read people's mind and find out their fears on a constant basis can lead to a lot of roleplaying problems, especially since no one is likely to keep that information at hand the whole time as well as the fact that any effect that involving probing other people's minds comes out as borderline godmodding. I'm not saying this is your intention, but this is what it it's from a GM POV.

- Death does attacks that negate any sort of defense and can phase through almost anything, making the fight a seriously one-sided deal.

- Burying people alive is a big, big nope. That's way too lethal.

- Thunder is mostly ok.

- Iron maiden is nope, not only it involves body horror, it's also extremely lethal.

- Pain is ok as long as it can be stopped somehow, instead of growing infinitely more powerful by soaking damage.

- The spider is ok, but again, it's delving too far into disturbing imagery.

- Darkness is pretty ok.

- Eyes are also pretty ok, but again, delving too deep into both body horror and disturbing imagery.

I guess that you should reevaluate your idea for this character. Despite the fact that this is a dark magical girl story, it doesn't mean that it's made to be disturbing and or uncomfortable for anyone playing. Not only the themes, but also the imagery on your CS are very, very hard to deal with. Fear based powers are a good idea but it doesn't mean that your character should be a walking nightmare.

Also, the fact that she doesn't seem like she would mingle in a Japanese high school, is a pretty big problem, since the RP takes place on Japan. As a Westerner, she's pretty out of place, unless there's a reason for her to be there which your backstory doesn't seem to mention.