"Potter! The doors!" Adrian-Potter, turned towards him with wide eyes and Draco only had a moment to register that he'd just blown the man's cover when Sybille shot off a particularly brutal Depulso towards the man. Potter was thrown backwards, striking the wall of the chamber, before he clambered to his feet, retreating behind Blaise and Theo as Sybille cried, "that one's been transfigured. Hela!"