Jack shook his head, addressing the students without averting his eyes from Leon. "See what happens, class? He doesn't even hear me any more." Jack spoke up. "This is what they do. They can make you see things, hear things... and sometimes, they refuse to let go. People have been killed by these things, suffering from dehydrations. Now, most fairies aren't this malicious, but some..."
Jack took a deep breath and stepped into the circle. He didn't like cold iron much either, but his mind was different enough to be unaffected by the fairy magic. Within the boundaries of the circle, he could feel it tugging at him, but he could see everything for what it was.
Glamours. Simple glamours.
Jack took a deep breath and lowered his voice, lower than was humanly possible. With an impossibly deep bass, he called out to Leon again: "Leon Drumm! Look at me!"