AU. Up until now, Aster Isley was used to have wannabes thugs after her. Usually though, it was because her mother was The Poison Ivy, not because she had (not)killed a Dark Lord ten years ago. Some people can really hold a grudge, but if there is one thing the aspiring villainess can do, it's ruining a perfect plan. Fem!Harry; Harley Quinn/Poison Ivy.

Le Monde Sorcier avait besoin d'un Héro. Ra's al Ghul avait besoin d'un Héritier. Batman avait besoin d'un Acolyte. Le problème de Nana, c'est qu'elle ne peut être aucun des trois. Non, ce qu'elle est supposée devenir, c'est... autre chose.

Batman/HP AU. 1969: After suffering a terrible injury, ex-Auror Alfred Pennyworth leaves Britain for America to work for a former school-friend, but finds that trouble has come with him. Also on AO3. The first in a series.

Après les évènements du Département des Mystères et sa possession par Voldemort, ce dernier utilise un très ancien rituel de fourchemagie pour se débarrasser du jeune homme. Harry se retrouve alors seul et fortement traumatisé dans une réalité parallèle où il fera la rencontre d'un étrange homme chauve-souris et toute sa couvée de Robin.

Three years after the deaths of Bruce's parents his guardian and butler, Alfred Pennyworth, has moved the two to Britain hoping the change will cheer the boy up. One day Bruce receives an invitation to attend a prestigious school of magic and enters a completely new world. He will meet new friends and enemies as he learns how this world is different and how it is the same.

Lily and James weren't Harry's parents. They were his aunt and uncle. Petunia decides she shouldn't have to raise her nephew when his mother is perfectly capable of doing it herself. She tracks down her wayward sister who enjoys attacking people with giant plants, and quickly washes her hands of the entire situation. Now, Gotham and Batman have a new young villain to deal with.

Set after the war between Voldemort and Harry Potter. This is Damian's first year in Hogwarts. It has been a year and a half since Bruce Wayne went missing. People think he is dead but the Wayne brothers have other thoughts. They start their own research to find their father and guardian. They go to places where they are forbidden. Because Hogwarts has a secret and they will leav

Dick Grayson/Batman and Helena Wayne/Robin end up in Grimmauld Place during fifth year.

When Voldemort tries to steal an ancient artefact out of the Gotham Musem of Antiquities he gets into a confrontation with Batman, getting the world's greatest detective on his trail. And so Batman and his allies get involved in the Second Wizarding War. But how will this change its outcome?

After watching the Dursley's get murdered while on a family vacation to the USA, Harry Potter is rescued by a masked vigilante and finds himself taken in as a ward of Bruce Wayne. While the boy is still adjusting to living with the American Billionaire and family, he receives a letter by owl. He's a Wizard. Follow Harry and his new family on an adventure of a lifetime.

A young boy disappeared from home. Everything was thrown to chaos as a murderer escape the inescapable. When things seems dire, a stranger comes bringing the fires of hope and a savior returns home.

Teddy Lupin accidently floo travels to a space station that serves as the headquarters to a superhero team known as the Justice League. He needs someone to supervise him and keep him from entering the fight against evil. The League decidedes Batman is just the man for the job as babysitter for a wizard.

Un nuevo caso ha hecho que el clan de los murciélagos se esté fragmentando y el protagonista de esta historia, Dick Grayson, parece ser la calve para que este problema acabe. Dick Grayson se aventura a la escuela de magia y hechicería de Hogwarts para proteger al niño que vivió de las amenazas que entran a su colegio.

Selina Kyle comes face to face with a long lost relative who she thought was dead. Finding that her nephew still exists, exposes an old secret that she tried to bury years ago. Meanwhile, Harry Potter finds him dealing with unattended side effects from his ordeal with the basilisk.

What if Harry went to Gotham on a trip with the Dursley’s? And he ends up being raised by two supervillians who happen to be in love? How will Hogwarts react to Harrison Isley-Quinn? Harley/Ivy, other pairings in future. Manipulative Dumbles. Weasley Bashing.

The grey Gotham night isn't as oppressive to Draco as it is to the unfortunate country-bred sod he was accompanying. His orders were to survive the battle and get this kid, name of Penny or something, to Gotham and give her to Batman or Wayne Manor, either would do. The early morning gloom was lifted into eery, sickly yellow by the light trembling from the far end of the city. Was

Harry comes back to Privet Drive after another tiring year of school, but there is another unexpected guest there. It turns out Vernon Dursley has a nephew as well, and 19 year old Dick Grayson seems to be nothing like the Dursleys that Harry has grown to hate. Maybe this Summer will be a little bit better with some company.

A series of one shots the will feature the Joker as the New Divination teacher at Hogwarts. Some other familiar characters will come into play and Hogwarts won't know what hit them. 1st Chapter: Harry comes back to Hogwarts.

Harley Quinn finds out shes a witch and goes to Hogwarts

Harry Potter had been a lot of people. Normally the greatest threat to him came from monsters or demons, or men that passed as such. In Life Twenty-Six, however... the greatest threat to him, is from within himself. When reborn as the most dangerous man to ever walk the Earth, Harry must maintain his sanity, and his morals, while being trapped inside the mind of a psychopath...

She is done with Gotham. Done with the Asylum. Done with Batman and his crazy family. years of fighting for her cause has left her tired and weary. she just wants to rest. When strange men in robes come to her cell and offer her a chance to escape, a chance to reunite with family she thought lost long ago, well, looks like a new leaf for the defender of the Green.

Stranded in the body of a child and having little memory of how he got there, Jason navigates this new world he's been dropped into. Can the Red Hood live up to his mentor's title or will the Wizards be brought to heel by an undying threat? One thing's for sure, Jason will need all his wits about him if he's to outwit this foe.

When Harry comes home from his second year at Hogwarts to find a cousin he'd never known, his world view gets a bit... Shall we say, shifted. But, Tim Drake is nothing if not loyal.

It hasn't slipped past his attention that things have changed. Despite her rebirths, his Master loses a piece of herself with every death, leaving a growing, bottomless chasm in her soul striking unease in even him. But Death knows that for every imbalance created, the universe will eventually seek to correct it, as it has done so for all of time. Always, without fail. Fem!Harry.

Harry had no choice but to leave, and in doing so was going to locate his Godfather... turns out he lives in Gotham... and he just happens to be the Joker... will be boyxboy not sirius/harry though..