"A locomotive train?" Hermione asks, just to be sure she has the right idea of it. "I can't imagine fighting in that sort of atmosphere would be at all pleasant, regardless of your area of expertise."

The idea of someone being half-Lunarian - half moon-person, really? - boggles Hermione's mind, but she tries not to make it stand out overly much. It has little to do with magic, which is supposed to be the sole focus of her research at the moment. "What do you mean by 'locked away in slumber'?"