"I understand, Professor," he began, voice deadly and soft. "That you are a teacher and I am a student. There is much I have to learn, I am not so prideful to think myself omniscient. But I did grow up a ward of House Black, just as much as I grew up a Potter. What my father would not approve of, well. My other father would encourage. And I dare you to try dodging my jinxes." Harry levelled his wand, magicks easing into the tips of his fingers, ready for war. "I will ask once, and only once. What. Did you say. About my father?" 