"I cannot do that, Mistress."
"What?!" The answer brough Sarah up short. "Why the hell not? You're my genie and you have to obey me! Materialize the stone here! Now!"
"I'm sorry, Mistress," Karyn said, trying not to smile at this turn of events. "The stone is is much more powerful than me - in fact, it created me in this form. My magic is insufficient to affect it."
Sarah thought for a minute. "Okay then, I wish that Jon would come here and give me the stone."
Karyn heart sank as she realized that Sarah had found a loophole. Then, as she reached out with her magic to influence her friend, she was delighted to find out something new.
Nice try, you little tramp! Karyn thought. What she said was, "Again, Mistress, the stone protects Jon from lesser magics."
"Rrrrrrgh! OK than, tell me hwo I can get the stupid rock from him, then!"
"The only way, Mistress, is for Jon to voluntarily give it to you."
Sarah thought about this for a minute. Then a nasty smile crept onto her face. "I know just what to do. Genie, I wish..."