Altering History

NEW SUM: Voldie's dead, but Harry's life is still on the line… that's of course when things always decide to happen to him. What's to be done when you find yourself in someone else's body and apparently in the past? You keep your mouth shut and repeat on loop 'Oh S…' I mean 'Don't freak out' in your head… right? Warnings?: Time Travel, De-ageing, Mute, Lang, slash, Ch Bash, Abuse