"Did he just say they killed a unicorn?" Dipper said to Mabel, eyes wide, making no move at all to go inside the room of what apparently was horrors.

He paused, looking consideringly at the door that Nico had disappeared through.

"You know, it's really sweet how she's trying to be protective and keeping us from seeing mind-crushingly horrible things. Misguided, but sweet."

It sounded like there was some morbid stuff in there but they had been chased by a shapeshifting monster that had taken both their forms and went all Lovecraft with them. And a monster made of candy. And lots of pretty horrifying things in general.