After learning that his father and godfather was an Animagus, with the help of Sirius Black, Harry learns to become one before his fourth year. However, during his fourth year, a mishap happens that’ll change his life and a few others forever.
Post OotP. This first of three series. In the first serie, Harry has been thinking over his past, after seeing Sirius’s death. Shortly before the end of tram, he finds himself in his dormitory thinking over the past again. When Hermione enters dormitory, and after a short talk with her everything changes for him forever.
See what happens as Harry learns of the betrayal in his life, and see what he does about it. This is a Dark Harry.