Reciprocity

Ron and Cho have Luna by the elbows, pulling her back toward the door. She struggles in their hands, pushing her weight against theirs. Blonde wisps of hair stick to her forehead with sweat. She makes a grab for Cho's wand but the other girl is too quick and tightens her grip as she steps aside. Luna kicks and pulls but all her adrenaline can't do more than slow them down. They make it through the archway and Harry, standing, sees only the stone slab crash shut on Luna's screaming face.

"I'LL KILL YOU! I'LL KILL YOU, TRAI—"