Harry blames himself for Sirius's death, and remains apathetic all summer. He barely eats or sleeps, and never speaks. At least not until a gleaming white Horse Chooses him! Valdemar Crossover. Check out the Re-Write, I Once Was Lost!
Between Sirius' death and the prophecy hanging over his head, Harry spends the summer jaded and apathetic. He doesn't know what to do until a gleaming white Companion Chooses him and begins to help him heal. Version 2.0 of No Longer Alone!
The Choice is yours alone now, tell me how the story ends. The end of the story already written, the rest told in flashbacks. Voldie is dead, Harry is gone, and a new villain is on the loose.
AU Yr5. After Voldemort's rebirth, Harry is sent away to train in an ancient form of combat: Dragon Jousting.
Dangerverse. After being kidnapped by Lucius Malfoy, the Pack escapes and expands to include both Draco and Cassandra Malfoy!
Crossover with Valdemar. Abused and Neglected by the Dursleys, Harry prays for nothing more than a friend. Someone hears his prayers, and answers them... but not in the way he expected...