butterfly effect, n. 1. A tenet of chaos theory that describes how small actions can have large effects. 2. A Final Fantasy VII AU working off this premise. When a little blond boy awakens an old Turk from his long sleep, no one could've guessed how things would change.

In an alternate universe where Sirius Black never went to Azkaban, Harry divides his life between the Dursleys' house and Mr. Black's bookshop -- until Sirius realises what the Dursleys are doing to him, and takes him away from their care.

Somewhere on the road, Mary Hatford gets pregnant with her second child. When she passes, she leaves behind not only Neil, but his toddler brother. Survival is difficult without also raising a kid. Worn out and desperate, Neil still somehow ends up at Palmetto, only this time, he brings his four-year-old brother with him.

Obi-Wan stared at the newcomer standing tense in the corner. Dark smoke curled around the other padawan’s boot like the tail of a lothcat. With a huff, Obi-Wan disengaged his own lightsaber and clipped it to his belt, bowing in greeting. “Hello, Padawan Antilles.” OR Padawan Obi-Wan Kenobi makes a friend and the universe changes for the better.