"So it's the Underworld?" Hermione asks dubiously. "That seems... ominous." She's quiet for a moment before saying, "My planet is called Earth. That's as good of a name for it as anything, I suppose, if this really is an entirely different world."

Though she knows he isn't the same as the elves she knows back home, she still finds herself blurting out, "Elves don't know magic here? Sorry, that's presumptuous of me; I just meant... the elves where I'm from are all very powerful in terms of their ability to use magic, even if they don't use it that often. Though I suppose they're not all automatically experts in the Dark Arts, which is what I assume all this is." With that, she gestures with her hand, though the thing she's gesturing to is her hand.