Durmstrang Soprano - Vassella Dimitrova

Okay, you're probably sitting there going "hey, I thought Durmstrang Institute was a BOY'S School!" And my response is "not in the book it isn't." <br />
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Anyway, this is an OC of mine, as the title says, her name is Vassella Dimitrova and she is a second cousin of Viktor Krum and is also of the more important branch of the Krum family (I have an elaborate scheme in an upcoming fanfiction). <br />
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She is three years younger than Viktor and attends Durmstrang (which is NOT all-boys in my universe). She is an extremely talented singer and sings the school song as well as the National Anthem at events and such. <br />
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She also happens to be the first largely successful Necromancer in centuries. Necromancy is technically a Dark Art, but she is not a Dark Witch. It all depends on how the magic is used, yes?