"What? No, of course not!" It's not quite offense, after all Hermione doesn't really know her, and a good number of people are very outspokenly anti-mage. It's more the idea that someone so new to this world is already fully aware of how ugly things can be.

"Has someone treated you poorly?" Her expression darkens, even as he moves a piece forward, almost absently. Her opening moves are ones she could pull in her sleep, and this is a far more pressing issue.