"I don't know. It doesn't make sense. If it were a disease, I'd think they'd look diseased in some way, but they don't. They look perfectly healthy, except for being completely unresponsive."

He watches to see if Persephone gets any response from the mer-people. But they just lie there.

"I wonder if this is some kind of magic or sorcery? I can't tell. My arcane senses are giving me back very, very little information." That is say, NONE. "Do you have any kind of magical perception?"