Chloe Neill said this quote

That's our cue to depart. They know something I pointed out. I know something too. I know we're going to attract a lot of unwanted attention if they keep screaming. And then we have to make up some ridiculous explanation about how we heard screaming through the vents in our rooms and we followed the sound back to the basement and we found these girls lying on the ground and pretending to be tied up by invisible rope because they're practicing for the regional mime championships. I blinked at her. Is that explanation more or less believable than we woke up because two girls who are actually evil magicians tripped a magical alarm wired to a door in the basement we aren't supposed to know about Scout paused for a minute then nodded. Point made.