Following Jin's cue, Wendy also went over to the glowing stone and took a look at it, trying to sense what magical auras she could.<br/><br/>And when done with that, she would also take a look over the entire room, checking to see which objects or parts of the room were overtly magical.  Of course, she wouldn't be able to tell what schools of magic there were, but at least knowing what was magic and what wasn't would still be helpful.