Jo looked at him, with a sharp half-roll of her eyes, "You mean every--"

But that's as far as she gets before there is a deafening, shrieking something going off. Coming from what seems like all around and them, above and below. She curling toward her middle, hands suddenly over her ears, trying to flatten them and her hair to her head, as that noise feels like it's burrowing straight through her her, down her spine and into every bone in her body.