Harry is hit by a curse at the Final Battle, his friends come up with a unique cure.
Fleur rewards Harry.
Post War, The Head of Ravenclaw House has to pay off a bet she made with the Head of Gryffindor House
What if there was more to the Horcrux than anyone suspected, and Harry were influenced by it?
Harry takes some Felix Felicis before Slughorn’s Christmas Party, and finds his luck changing for the better!