After the death of Voldemort, Hermione rallies the magical community for equal rights, while Harry protects the olde ways.
Harry bows to an old dark lord, one that seeks to domineer all of humanity for ever.
Harry is the Master of Death, and gets into a divine conflict over the very souls of the wizarding world.
Harry is in his fifth year at Hogwarts with a secret; he has a son and a daughter.
Harry discovers the secret behind the orcs, and makes an army of them to take on the world.
Harry intends to live like wizarding trash, whether anyone likes it or not. Starts in 5th year.
Harry discovers the root of Voldemort's evil: marking someone to be owned. Starts in 4th year.
Harry Potter discovers a secret about Dark Lords, and decides to become one. Happens after the defeat of Voldemort.
Harry duels Voldemort in 4th year, and his father tells him a dark secret in the duel.
Harry learns a dark secret of Dumbledore and Voldemort, and must navigate this new secret with the task of defeating Voldemort. Takes place in sixth year.
Harry becomes Tyrant of USA as the USA wizarding government needs someone that could suppress any rising Dark Lords, and who better than the child boy-who-lived that defeated the British Lord Voldemort. Appointing him Tyrant is like the appointers lighting a fire to burn down a house (government). The appointers can betray Harry to take out the fire and save the government.
Draco, a vampire at birth, is in a crux, and only Harry has the solution. Draco/Luna.
Dumbledore has finally implemented his widespread Greater Good Order, enslaving mankind. Harry grows up in this dystopian future.
A famine hits the muggle world after the defeat of Voldemort, and it is up to Harry and Hermione to take advantage of the looming refugee crisis.
Harry must heal the scars of the wizarding world after the war, but must do this in the most unexpected ways: by lowering rent.
The horcrux in Harry's scar awakens, and has great plans for Harry.
Harry and Tom battle it out over control over Harry's body.
Harry questions those around him, and soon falls into madness. With a massive responsibility placed on him, his random execution of Ginny is but the beginning of his reign. Post Deathly Hallows.
Harry makes a deal with a faery to give some of his primordial volatility in exchange for twins being born from the soul fragment in his scar.
The horcrux in Harry's scar is very unstable, leading to an unforeseen event. To protect the Potter funds, Harry instills new rules. Only deposits can be made, and only stuff deposited in the previous ten years can be withdrawn. These rules are in place until the bank, Gringotts, fails. Then, all funds belong to the potter heirs.