Huh. Heavy question to start with. Zetta considered that a moment, wondering how best to answer.

"Okay, so. Every place has its own rules. Like, literally, the laws of how reality works are different in different places. In your world, you need to have god blood for magic. In another world, people can just do it naturally and only need a little training and practice. In a third, they have to study their assess off to learn the secrets of magic. It's different because, well, it is."