... Tranquils would just open up a whole other can of worms that Hermione didn't need to worry about right this second. It was beginning to get to the point where the less she knew about this world, the better off she'd be.

She wrinkled her nose at his description. At least that sounded vaguely familiar, insofar as she could equate it to something she knew from home. "That sounds like the Imperius Curse. It isn't blood magic, but it's one of the three Unforgivable Curses, controlling someone's mind like that. Torture... well, that's something else." She was thinking of physical torture, which was something with which she was only all too familiar.