He just fixes her with his most serious, no-bullshit face.

"In the last place I was stuck, I had a friend who was an elven wizard with an enchanted umbrella and he transformed my MRE into a gourmet pizza with magic. If a leprechaun materialized in front of us right now, I wouldn't even blink."

He looks a little less 'open-minded' and more 'I have seen some SHIT', but y'know.