Can you recommend some popular good Percy Jackson crossover fanfiction?

Sure. 'Percy Jackson and the Lord of the Rings' is quite popular. It takes Percy into Middle - earth, and you can imagine how his abilities would fare against orcs and wizards there. He could probably use his sword - fighting skills and water powers to his advantage. It's a great blend of two very different fantasy worlds.

One popular 'Percy Jackson Banished Crossover Fanfiction' is 'The Banished God'. In it, Percy is banished to a different realm and has to find his way back while crossing over with characters from other mythologies. It has an exciting plot with lots of action and character development.

One great Percy Jackson crossover romance fanfiction is 'Percy and the Hogwarts Adventure'. In this story, Percy somehow gets transported to the wizarding world of Harry Potter and falls in love with a Gryffindor girl. It's really interesting to see how his demigod powers interact with the magic there.

One great 'god percy jackson crossover fanfiction' is 'Percy Jackson and the Avengers Crossover'. It combines the world of Percy Jackson with the Marvel universe in an exciting way. The characters interact in a believable manner, like Percy using his water powers to help the Avengers in a battle against a common enemy. Another interesting one is 'Percy Jackson in the World of Harry Potter'. It's fun to see Percy navigate Hogwarts and deal with magic in a different way.

There's also 'Percy Jackson Meets Alexios: A Crossover Adventure'. In this one, Percy and Alexios team up to fight a common enemy that threatens both their worlds. It's really exciting as it shows how their different powers and abilities work together. The story also delves into their characters and how they grow through the adventure, which is really well - written.

One great 'fem Naruto Percy Jackson crossover fanfiction' is 'The Demigod Ninja'. It combines the elements of the Naruto world like chakra and jutsu with the demigod powers from Percy Jackson. The story has a well - developed plot where the female Naruto character finds herself in the world of Percy Jackson and has to adapt to new challenges and make new alliances.

One great 'Percy Jackson' fanfiction is 'The Lost Hero's Quest'. It continues the adventures of Percy and his friends in a really engaging way. The author adds new challenges and relationships that fit well with the original series.

One great Percy Jackson crossover fanfiction is the one where he crosses over with the Harry Potter universe. It's exciting to see how the magic of the two worlds interact and how Percy and Harry might team up. Another good one is the crossover with the Avengers. Imagining Percy fighting alongside superheroes like Thor and Captain America is really cool.

There's a fanfic called 'Crossing Realms'. In this story, the plot revolves around Naruto and Percy Jackson accidentally being transported to a strange new realm that has elements of both their worlds. They have to work together to find a way back home. The author does a wonderful job of portraying the different personalities of the characters. For example, Naruto's determination and Percy's quick - thinking blend well as they face various challenges in this new realm.

I'm not sure about the most popular ones specifically, but you can start by looking on fanfiction websites like Archive of Our Own. Just search for 'Percy Jackson bloopers' and you'll likely find a bunch of different stories. Some might focus on the characters messing up during training sessions, like Percy accidentally hitting Chiron with his sword instead of the practice dummy.