[He smiles as she mentions the force behind his Rune. Back home most Runes didn't have this sort of power, either. His was a True Rune; one of the forces that created his world. But he doesn't feel like getting into that.

Instead, he comments on the castle.]

The library is impressive, isn't it? One of the best I've seen, really.

[He glances towards a nearby tower.]

Still, I think there is merit to pursuing your own knowledge of magic. There are some things you just can't learn from books.