They were arguing, fighting, bickering, whatever they usually did. And it usually ended with Stiles pinned to the wall and Derek in his personal space looming over him threateningly. This time however Stiles choked a surprised noise, looking at Derek with wide, shocked eyes. Then his whole body went limp and completely still. No breathing, no heartbeat. Nothing.

Derek stared frozen in terror at the lifeless body of the boy impaled on a piece of metal protruding from the wall, which Derek just didn't notice. The drops of blood dripping to the floor the only noise in the sudden silence.