Stone has never heard of a Will O'Whisp before, but that doesn't mean much, there's a lot Stone hasn't heard of, and she's probably not even from his own world. Her scent isn't human, or not all human, but she seems more human than groundling.

"Demanding of attention?" Reminds Stone of the spirits here, too, actually. Or of their antics the last couple of days, anyway. He makes a thoughtful rumble, looking around, then asks, "Didn't like to snatch things away, did they? And return them later, as if it were a great game?"