This is a short story that I randomly thought of at 10 PM, and I was tired, so if it isn't any good, then that would be why. Oh, and it's sort of cheesy... So prepare for that.
When the final battle of hogwarts is over, too many people were lost. So the Emerald Trio (aka golden trio) and their friends decided to travel to the past to change the course of the future.
Hogwarts Legacy Crossover
(Does NOT follow movies. New stroyline. Some dates may differ.)
*I do NOT own Harry Potter or J.K Rowling's characters*