This is an extremely AU crossover fic that asks the question what might have happened if Petunia Dursley hadn't found a young Harry Potter sleeping on her doorstep on the morning of the 2nd of November 1981. After all, Dumbledore was a bit careless with

AU. Yes, the old Snape retrieves Harry from the Dursleys formula. I just had to write one. Everything changes, because the best revenge is living well. T for Mentor Snape's occasional naughty language. Supportive Minerva. Over three million hits!

When his family is killed by someone he once called a friend, Harry is devastated. Thrown back in time, he decides to change history and save his family. After all, no one ever said what time the Prophecy had to be fulfilled in.

Was it a stroke of luck, when that Man appeared on his doorstep, or a downright nightmare. It did give him a chance out of things, so it shouldn't go wrong, right? HP/Riddick Crossover

Petunia & Harry become a team, and Harry finds the wizarding world much earlier than anyone suspects. He hides his Slytherin self under the guise of a naive Gryffindor. He also hides the wizard friendships he made years before Hogwarts. AU

AU. smart!harry. Latin for knowledge. What if Harry went looking for magic before Hogwarts and found it? What if the Greatest School in Britain wasn't all that great?

In third year, Harry decided to quit Divination, following Hermione. Having to take a substitute course, he end up choosing Ancient Runes and find himself to be quite gifted. Smart Harry. Slightly manipulative. Rated M for later subjects and language.

AU. Little Harry Potter knew from the moment he defied the laws of gravity and made a pebble accelerate at a freefall of 8.9 m/s 2, that he was going to have fun learning about the rules of all the known universe… and breaking every single one of them. WARNING: Sporadic Updates.

As per the Hat's decision, Harry gets Sorted into Slytherin upon his arrival in Hogwarts—and suddenly, the future isn't what it used to be.

AU, Post HBP Snape travels back in time to warn pre SSPS Snape about what is to come. No DH Spoilers

One lonely little boy. One snarky, grumpy git. When the safety of one was entrusted to the other, everyone knew this was not going to turn out well... Or was it? AU, sequel to "Harry's First Detention". OVER FIVE MILLION HITS!

Falling through puddles and magic gone haywire are just a few of Harry's newest problems. With the Ministry falling apart and Voldemort unearthing ancient secrets, will Harry uncover the truth in time? Post-OotP.

Torn from a desolate future, Harry awakens in his teenage body with a hefty debt on his soul. Entangled in his lies and unable to trust even his own fraying sanity, he struggles to stay ahead of his enemies. Desperation is the new anthem of violence.

Twilightxover SLASH In the face of Death, Harrys curses Fate and she gets angry. She sends him back in time to make him suffer but instead, he choses to experience life without Hogwarts. Years later, Harry and the Dursleys move to Forks. Harry/Edward

A bored Harry Potter is never a good thing. Dumbledore told him he couldn't write to friends, so what about enemies? Watch as because of this, things change and truths come to 'light' or 'dark' as the case may be . warning: Slash.

Slash: What if the Chamber of Secrets events didn't turn out the same? A secret learned will make it so Harry will find himself growing up yearning for the touch of evil. Eventual Dark!Harry main pairing HP/LV more possible.

Being rewritten. Soon to be deleted.

25 years after Voldemort's demise,the world is not in a good shape, nor is Harry and his friends. Realising that they had put trust in the wrong hands and ideals, they send their souls to their 11 year old bodies, their one last try at happiness. HPSS

Days after the DOM a mysterious letter arrives and Harry is faced with a decision. Reject the offer and continue on the path Dumbledore has set for him or forge a new one and challenge every opinion ever forced on him. SLASH. Creature/grey/powerful Harry.

After Sirius' death, Harry begins a study of ancient magics that takes him to the edge of sanity--and humanity. When he's pulled back at the last minute by some of the most unlikely people imaginable, he's a different person. Dark!Harry, Powerful!Harry

DarkHarry snapped early on, follow his journey for revenge. Surprises at every turn and not everything is as it appears. His search for power will reshape the world by fire and the magical world will never know what hit them.Slash LVHP Full summery inside

After the events of OotP, Harry, believing Sirius to be dead, is grieving, extensively, in Grimauld Place. But with the help of friends, Harry begins to understand who he is truly fighting. Is there only one Dark Lord, or two? Finding new allies & love, Harry embraces the legacy Sirius has left him. Mild slash, serious violence & gore. Pairings: HP/NT/LL/GrW/FW, NL/CW, HG/BW, KS/RL

AU.When the Dursleys leave a baby Harry Potter in an alley they have no idea their actions will create an evil to rival only Voldemort's. Evil!Harry, Slytherin!Harry and later on HPLV slash. Gods and Immortals, demons and vampires.

Immortal Harry, after watching friends and family die over thousands of years, only wants to join his loved ones in death. Believing he's found a way, he sends himself back into the body of his infant self, vowing to change his fate. Dark Lord Harry.

Sequel A Second Chance at Life. Harry is training in bloodmagic/necromancy, he is becoming a basilisk with a thunderbird's soul, there's a plague in europe, demons are about to invade Earth, and Voldemort needs to die. Fae, vampires, new magics and school