"Yeah, okay. I get it. Remember when we first met? I mean when I met other you? And I was like 'stranger danger' all over the place? Believe me, I have a very finely tuned sense of who's evil. I didn't hold Derek up in a pool for two hours while he was paralyzed because I felt like he was evil, okay? You don't know what we've been through together."

His mouth is running as a distraction from the slog through the swamp. And as they're walking, Stiles is scooping up as much of the bioluminescent moss as he can, stuffing it into one fist and brushing it against any trees they come near.