Then that's just more reason to learn more about them! Maybe if you get super interested in some guys power you could find a way to pull it off yourself. Ooh, or you could make something that could emulate that power!

[She's never tried learning any abilities from other worlds before, but she did try teaching someone how to use artes once! Though said person did have their own artes from their own world already, so maybe that made them easier to grasp.]