"Humans aren't exactly the best sources, no." Hawa looked amused for an instant, then he was listening, arms coming to fold over his chest. "There are limits--but mostly in what you yourself can do. It's not an easy business, working with magic. It can be exhausting. Manipulate too long or try to manipulate something into something else entirely and you could have yourself passing out, depending."

He lifted his hand, thumb rubbing at his chin, his jaw thoughtfully. "But other than that, there are a lot of ways you can manipulate something. With magic, it's all connected in that it's magic, no matter what it is."