"Wouldn't that mean the world itself is full of magic?"

Similar to the Enchanted Forest, where magic exists within the land to be used by anyone willing to learn it. There's a difference there, between people who are born with magic and others who learn to use what's available to them. She wonders if the same is true in Thorne.

"I'm sure anyone who takes that on has a lot to learn."

Which doesn't mean she's not considering it.