Percy is adopted fanfiction: Can you recommend some good ones?

Sure. 'Percy's Unexpected Adoption' is a fanfic that throws Percy into a completely different world after being adopted. The author does a great job of building this new world and showing Percy's struggle to fit in. 'Adopted Percy and the Lost Realm' is another one. Here, Percy's adoption is linked to a mysterious lost realm. As he tries to figure out his connection to it, he goes on a series of adventures. And 'Percy: Adoption and Redemption' shows Percy dealing with his past mistakes and finding a new purpose in life after being adopted.

One great fanfiction could be 'Hermione's Pureblood Adoption Adventure'. In it, Hermione adopts a pureblood child and has to navigate the complex pureblood society's rules while also teaching the child about equality. It's really interesting to see how she uses her intelligence to deal with all the challenges.

One great 'Percy Jackson Adopted Thalia' fanfiction is 'The New Family Bond'. It delves deep into how Percy's decision to adopt Thalia affects their relationship with the other demigods. It has a really interesting take on how Thalia adjusts to her new situation within the camp. Another one is 'Thalia's New Home'. This fanfic focuses on the emotional journey of Thalia as she tries to find her place in Percy's family. It's filled with heartwarming moments and some great character development.

There are many great fanfictions about Dan and Amy being adopted in the 39 Clues universe. One I've read focuses on how they discover their adoption in a more emotional way, with lots of internal monologues from both characters. It really delves deep into their feelings of confusion and then acceptance.

One good 'Percy Jackson is an angel' fanfiction is 'Angelic Percy' on FanFiction.net. It has an interesting take on Percy's angelic nature and how it affects his relationships with the other characters from the original series.

There's a fanfic called 'Percy Jackson: Star on Stage'. In this one, Percy is discovered by a music agent while saving the world from some mythological threat. His journey as a singer then begins, and it's full of adventures as he tries to balance his singing career with his demigod duties. It has some really cool action scenes and great musical descriptions.

Well, I'm not sure about a specific one off the top of my head. But you can try searching on fanfiction.net. They usually have a wide variety of fanfictions, and you might be able to find some related to Percy Jackson having an Omnitrix there.

One popular Percy having a demigod child fanfiction is 'The Legacy of Percy'. It follows the story of his child as they navigate the challenges of being a demigod in a new era. Another great one is 'Percy's Heir'. It shows how his child discovers their powers and heritage. There's also 'The Demigod Offspring' which focuses on the relationship between Percy and his child as they face various threats together.

One popular 'Percy Jackson adopted son of Hestia fanfiction' is 'The Hestia - Percy Bond' on Fanfiction.net. It has an interesting take on Percy's relationship with Hestia and how it changes his journey in the demigod world.

One popular 'Harry adopted fanfiction' is 'A Father's Love'. In this story, Harry is adopted by a powerful but kind wizard outside of the Dursley family. It shows a different side of Harry's growth with a loving family environment.