"Expeliarmus, you hypocrite! They don't learn that unti-" the Doctor began, but stopped as his ears pricked up before he turned to the chalk board at the front of the class room and pressed himself against it. Concern filled his face as he listened intently at the dusty black board, ignoring the chalk that coated part of his face.<br/><br/>"I don't know," the Doctor answered softly before stepping back. "But, one thing I do know is this...this world that we're in isn't following the pattern of the books," he said gravely as he stared at the chalk board with a grim expression on his face.<br/><br/>"Listen to this," the Doctor spoke before placing one hand on the chalk board and the other on the side of Robin's face. What she heard next would no doubt send a chill through her blood.<br/><br/><em>"Come... let me rip you... let me tear you... let me kill you..."</em>Whispered a deadly, cold and viscous voice inside Robin's head. It's words were laced with venom and seemed to end with a lingering hiss.