No one begins as evil. It's a dark, treacherous journey down a path from which return is nearly impossible, and seldom attempted. One-Shot, Canon Compliant.

The Boy-Who-Lived finds an outlet for his stress, one which draws the curiosity of a certain shapeshifter. Harry/Tonks

Drastic times call for drastic measures. Dumbledore begins to train Harry as he should have from the beginning.

McGonagall has a flash of realization which leads to her rushing after the Golden Trio as they're attempting to get to the Stone before it can be taken. But will she make it, or will she be too late to save Harry? One-Shot

After James and Lily went into hiding, the effort to defeat Voldemort was kicked into high-gear. They aren't going down without a fight, and if their allies have anything to say about it, they aren't going down at all.