"Not really...I haven't had huge experience with it, nor have I been known for the...less harmful dueling spells....more towards the illegal side...but if you still want, I will see what I can help with, otherwise you should go to a Professor...and I can't believe I am actually saying this but if I were you, I would go to Professor King....he seems to know his stuff beings that he is Defense Against the Dark Arts teacher anyway, he may at least be able to give you a general idea, way better than I could..."