Antonin chuckled, "At least you can start to be honest with yourself."
"There are spells that can be used to hurt. There are spells that can only be used to hurt. There are wizards that enjoy hurting and killing. Those are the true Dark Wizards, no matter what sort of magic they use."
He went on, "Most of what I teach in a fight is quick magic, usually fairly simple. But, some of it has the potential to hurt or kill, depending on how you target the spell."