[When Derek stops, so does Stiles, his vision drawing up to the castle. It doesn't take long for his eyes to catch on the skin; or to make the implication of who it is.

The beast.]

Well, that's pleasant. [Grimacing a little, he nudged Derek with his shoulder, just slightly. They couldn't stop here. ]

You remember how Scott sounded like a dying cat? It's going to be like ten times worse. [Pausing for a beat, his mouth draws into a grimace, recalling Red's body.] ...Tell you what, give it a week or two, in the first full moon, and I bet I'll be a pro.