The Time Traveling Nymph: Alternate Ending

When Tonks travels back in time and her identity is finally revealed to Remus Lupin and Sirius Black, how does it change the course of history? What happens next is a series of unfortunate events that lead to a bittersweet ending. This is the original ending to "The Nymph of House Black". It begins near the end of 1979, with the revelation of Dora's identity.