Ivy laughed softly; not unkindly, just delightfully amused by the response. "That's okay! Magic's tricky like that! I was using mine without even knowing it for a very long time! Do you know what kind of class you are? Merlin's supposed to tell you. He's the first kind of my country, I'm supposed to be -- I think the 43rd King! But not for a long long time I hope!"