Touched by Darkness a vampire academy fan fiction

Alexandra Halen just wants to fit in. Unfortunately the world of vampires has another idea. When she discovers that she is the only dhampir who can do magic, she wants to know why. Why she has been made a freak of nature among freaks of nature. But others have heard about her and she is now on the run from people who want to torture, study, and kill her. But hey, no one said being a vampire was easy.