Please don't pick a battle with Julius, Camden. Pretty please? He promised not to pick one back!

"Uhh, one of the kinds of magic users?" Julius said. He wasn't very clear on the differences between them. Human-magic was very different than dragon-magic and he hadn't even studied dragon-magic very much. "They are very involved with spirits and, umm, animals and things. The physical world?"

Sum total of his knowledge there.