How different would the Percy Jackson series have turned out with Percy having a little sibling to take into account? A little sibling who gets dreams of living another life? A little sibling who has a slight aura of death around them? A little sibling who could change their gender back and forth at birth?

Shadow has left her life as Harriet Potter far behind... but now, to save a world whose heroes aren't able to preserve it, she may well be asked to assume the mantle once more. In a world where gods are numerous, and magic powerful, she will once more be the hero... fem!Harry, MoD!Harry, gamer!Harry

In which Lily Potter trys to summon MotherMagic, but through a miscalculation, she summoned another moon goddess entirely.

sorry can't think of a good summary

After the Giant War, Hades sends his children to retrieve a soul that has cheated death. They eagerly accept the mission, believing it is the missing Leo Valdez. Back in Britain, Harry Potter attends his aunt's funeral. A few days later, Camp Half-Blood meets a strange trio, who demands to speak with their leader. Percy quickly realizes this isn't the relaxing summer he hoped for.

Prequel: After 2 years of nonsense, Harry really shouldn't have been surprised when everything got even more confusing after he almost,(no you did die), ok dies killing a magical snake. At least meeting those 2 finally answered some burning questions he's had since his first year. And at least he's finally being proactive and not reactive right? Gryffindors charge ahead and all...

In the height of the wizarding war against Lord Voldemort, Lily Potter was cursed barren. Since the couple really wanted a child, desperate times called for desperate measures, and they sought divine intervention. Following the attack on Godric's Hollow, Harry's Godly parent whisked him away to raise him and train him for the inevitable battles ahead, both wizarding and demigod

James and Lily had discovered they were unable to have children, in the face of this news, Lily Potter searched for answers, and found a grimoire in the Potter Library on a rare fertility Ritual and so James and Lily prayed to the gods for help. Unknownst to them, the child that would be born from this Union would have the power to either unite or Destroy the Pantheons

Once upon a time this is how stories normally begin but this story is not as happy as people believe all stories should go. This story is about her hardship, pain and suffering but not without happiness, love, acceptance and friendship. This story is about Skye Potter Fem!Harry Monster!Harry Pairing: Artemis/Fem!Harry Rating might change. Warning Femslash!

Malheureusement pour Reggie Black, apprendre la vérité de sa filiation lui cause un torrent de problèmes : obligé de changer de vie, de continent et de nature. Il lutte pour trouver sa place. Et les conflits qui couvent en Angleterre n'arrangent rien... Mais qui dit qu'il doit affronter cela tout seul ?

Based on a challenge by Gabriel Herrol. A young Harry Potter is abandoned in new York by the Dursleys. He finds his way onto Olympus and starts squatting in an abandoned temple...

After his adventure in the Chamber of Secrets Harry discovers his parentage is more unique than he thought. He is taken to a camp in America for kids like him where he will become involved with a quest to prevent world war 3. Percy Jackson xover. (Story revived and remastered, July 2022)

Somehow, in some shape and some form, the world of Harry Potter collides with one filled with Greek and Roman gods. Percy, Annabeth, and other campers are tasked with infiltrating Hogwarts and somehow separate the two dimensions, so their lives can go back to normal. Yet things don't exactly go as planned...

Percy didn't ask to be a wizard. The Fates just chose to play a cruel joke with his life. Percy, however didn't find it quite as funny as they did. He was just an average 10 year old, going to school, skateboarding and just trying to get through life when he discovered Gandalf in his fireplace. Little did he know, his whole life was going to turn upside down after that moment.

Roonil Wazlib journey to another universe yay

Circe has broken the Ancient Law. To spite her mother, she went back in time to help the Dark Lord caused more chaos to her precious Wizarding World. Who else would the Olympians asked for help by none other than Percy Jackson and sent to the past in the Marauders Era. I don't own any of the characters except OCs.

Vowing vengeance on the god who tricked his mother, a demigod must prove himself and learn to walk the path laid out before him...while dealing with the woes and worries of humanity and Gods alike

Andromeda Potter is the older sister of Harry Potter. Of course what they don't know is her mother is Hera, the queen of the gods. Follow Andromeda as she deals with challenges at Hogwarts, Camp Half-Blood, and with her family. Her problems keep coming when a boy with sea-green eyes shows up.

Annabeth is heading back to Hogwarts after the Giant War. This time though, everything is different.

Harry had just seen Cedric perish by the Dark Lord's hand. Back at his 'relatives' house, he gets a house call from the Order of the Phoenix. Who is this new order member, one slightly older than him and an American accent to boot?

A retelling of the Philosopher's Stone with the inclusion of characters from Percy Jackson's world. I do not own the characters of Rick Riordan or J.K. Rowling

In another world, Sally was Lily and Petunia's cousin. In another world, when her parents died, she was raised by the Evans. In that world, Harry Potter and Percy Jackson are raised alongside each other.

Cross over from Kane chronicles Magnus chase Percy Jackson and Harry Potter they all end up being given the same quest and new and old foes arise I am making a few of them siblings such as Thalia and nico being twins and them having younger siblings I DON’T OWN ANY OF THESE IF I DID ID MAKE THE HARRY POTTER STORIES BETTER THEY ARE OWNED BY J.K. ROWLING AND RICK RIORDAN

Lily makes a desperate deal with the rulers of the underworld to save her husband. In return for bearing them a demigod child James life will be spared. Things go a little pear shaped when a dark lord decides to get involved. How will the boy who lived grow under the loving gaze of two Greek Gods? Who knows, the heavens just might tremble. (Harry x Clarisse x?x?x?)(Very Grey Harry)

After the Titan War,Nico was ready to enjoy a normal year at Hogwarts.But he really should've known that life at Hogwarts would never be normal... Artemis Fowl had spent an entire summer free of plotting and scheming.He was anxious to put his brains to good use once more.His wish came true in the worst way possible... Can the school survive Artemis and Nico's 2nd year at Hogwarts?