Harry Potter, à la Severus Snape

No one knew how it happened. It might have been a bitter enemy carrying out his last act of revenge, or a friendly-fire intended to save his life; but there was no denying what happened. Instead of a bloodied corpse lying on the floorboards of the Shrieking Shack, there was a healthy –if not terribly frightened– five year old boy, with long black hair and and tearful obsidian eyes.