It occurs to Karen, very belatedly, as she's being swallowed up by a horrifying dark portal, that she should maybe have been more cautious when dealing with the kids who were trying to summon a demon out behind the school. In fairness, the last teenage demon-summoners weren't a super big deal. She's still kicking herself pretty hard about this.
She falls through the portal and hits the ground below. Hard. It's cool how she's way more durable than a normal person, or she might have a broken spine or something. Wishbone gets coughed up beside her a second later, whining as he hits the ground, and she doesn't know whether to be relieved about this or not.
She sits up and looks around to see whether there are any obvious clues about where she is now.