Aren't spirits just elementalism? Though I guess that's most of what we have for magic here, too... But if you're that durable, you're not a plain old human, I figured. Sorry.

[The child sighs and taps the back of her pencil on the desk.]

I just know off movies on Earth, there's monsters that shrug off bullets and regular weapons, and that means only people with magic can kill them. Or war crimes, and then it's really depressing.