"Are you questioning our Lord? Or are you so bold as to question both the Malfoy and Black family magic?" Hermione tilted her head in condescension. "Are you truly so foolish? I was quite close with your uncle-in-law— now my grandfather. He spent years teaching me the ins and outs of Pureblood society. Lord Voldemort trained me in the dark arts himself. My information might be a little dated, but I dare you to underestimate me. It’s a mistake you’ll only make once." 