He looks to her and then to his staff. The spell is such a simple one, and so well known that her curiosity strikes him as strange, but well, they all came from different worlds here. Perhaps the magic he used would be very strange to her.

"It's a spell called Shillelagh. It increases the strength of my attack."

Of course, there's more to it than that, but Lauren's never been a big fan of words are in depth explanations. He doesn't really even know what kind of an explanation Rita is looking for.