The seven, Nico, and Thalia go to hogwarts to protect Harry Potter. Along the way they reunite with old friends and even more demigods join them.

A bunch of HP characters are dragged to a room to read 'Percy Jackson; and The Last Olympian'. This oughta be fun.

Who died and came back? We did! Yay!

“Hermes, god of trade, thieves, travellers, athletes, border crossings and a few more I don’t care to name at the moment. I am also your dad” Harry Potter, nine years old, jolted. Weren’t voices a sign of insanity?

Just a fun little thing where demigods turn into teachers. PJO characters are between 18-23, HP characters are from the year after the Wizarding War of Voldemort. Rated T because really, it's HP/PJO. Something's gonna happen.

Charlotte gets a letter from Hogwarts School of Witchcraft and Wizardry. finding out she's not only a demigod but a witch. HP Pjo oc

This is a story where I compare 2 things/people (one from PJO and one from HP). I thought this was a cool idea, but these are just my opinions. Don't take it personally.

It all came down to a single choice. A single choice that would decide his eventual fate and the direction his life, and the lives of all those he would later touch, would take. He could only hope he had made the right one!

Harry Potter raises two demigod of his own. Hi teach them everything he knows until there mothers sends a satyr for all three of them because harry is a champion of a God or goddess

There weren't many things known about Percy Jackson, the transfer student from America. He liked wearing an orange shirt instead of the normal robes, he wasn't very good at the basic spells but excelled at the more advanced, and Fleur Delacour kept accidentally listening in on his conversations with his extended family. Accidentally on purpose that is. Percy/Fleur.

A collection of Riordanverse and Wizarding world crossover headcanons.

Cordelia Longbottom is a Legacy of Poseidon, and a fourth year gryffindor. Dive in to her life to see the challeges this girl faces! There are other languages in here! But dont worry, there’s translations

Hermione returns home for the Christmas Holidays after her eighth year to find out that her mother has reconnected with her sister who currently lives in New York. Within no time, she's on a plane to the USA to meet her aunt Sally Jackson-Blofis and her family. She gets on amazingly with her cousin Percy and the two of them stay in contact and meet up even years later.

Alton thought his life would be simple after he isolated himself in a forest in the states, but it was short lived. He ended up trading his mother's world for his father's. Sister fic to 'Changing the Game.' AU Harry Potter Universe.

Now I am sure you have all heard about witches. Maybe some of you even know about demigods. But did you ever wonder what would happen if they were one in the same? Meet Morgana Potter demigod daughter of three gods and witch in training. Follow her as she takes both worlds by storm and leave chaos in her wake, while maybe taking a boy or two along for the ride.

After the Giant War, Percy and Annabeth think that they are going to have some time off and start to plan their future. They should know better than to tempt the fates. A strange man requests their help in protecting a boy while he is at school. Did I also forget to mention that it would be a school for magic and the boy they need to protect is Harry Potter? Cross posted on Wattpad

Percy Jackson and Annabeth Chase believed that the fates were done with them, and they'd finally have a happy ending. But the exact opposite was in store for them: a quest to save the world, yet again. And here's the twist- they must do it in a different world, a different time. Would they ever find peace? Or is peace just a hoax for the pair? [Year 2 in progress]

The real origins of the Wizards are going to be unfolded. New friendships and alliance are gonna form. Percy Jackson and his friends are going to attend Hogwarts as Foreign students with Chiron under the SRWOAW ( Strengthening Relationship With Our Ancestoral Wizards ) Act implemented by Ministry Of Magic. What would happen? Would the wizards and demigods like each other?

Harry Potter has always known he wasn't normal. But when he kills a troll, he's a little psyched. With his friends and powers, he's drawn in to a prophecy. He'll survive, he still needs to defeat Voldemort. Response to DZ2's 'Harry The Twice Blessed Half-Blood' challenge. Ravenclaw!Harry. Dark!Harry

Percy and Annabeth Jackson, the newly made gods of heroes, notice a certain Harry Potter under their domain. They decide that they want to help him, and so they go to Hogwarts during his fifth year under the guise of the DADA professors. What will happen when two literal gods join the war in the wizarding world?

The Giant war got over one month ago and Nico is asked to go to Hogwarts to help Harry Potter get on track and help defeat Voldemort. Takes Place in Fifth year of Hogwarts.

Set Three years after The Boggart- Percy's fears and The boggart Annebth's fears. Percy and Annabeth msut face The Boggart once more following their trip to Tartarus.

It is the start of the Second Wizarding War, and the Order is desperate. Dumbledore has found backup- the demigods of Camp Half-Blood. But their help comes with a price: from now on, they are a team. And when Kronos attacks New York City, the demigods are dependant on their magic. Note: I altered the timelines, for the sake of the crossover.

In a normal day for Camp Half-Blood and Camp Jupiter, Nico and Hazel discover several passages in the underworld, leading to mystical worlds. A team is sent to investigate, but suddenly more portals are activated. What'll happen next? English, minor Spanish, minor Mandarin Chinese, minor Latin, minor Greek (Modern), minor Italian.

A sus once años, Harry descubre la verdad sobre quiénes son sus parientes. Por otro lado, alguien está buscando a su hijo perdido. Además, hay persona maquinando planes para su beneficio.