" Will said softly, warningly, in the Old Speech, “The Dark will come for you.”
There was a pause. Then very slowly the Walker turned his shaggy grey head back again, and Will flinched in horror as he saw the face. For just a moment, its history was naked upon it. There were bottomless depths of pain and terror in the eyes, the lines of black experience were carved clear and terrible; this man had known somewhere such a fearful dread and anguish that nothing could really ever touch him again. His eyes wide for the first time, stretched open, with his knowledge of horror looking out.
The Walker said emptily, “The Dark has already come for me. "

― Susan Cooper