What are the most interesting plot twists in Percy Jackson stories?

Well, in some fanfictions, a great plot twist is that Percy, being born a god, discovers he has a connection to an entirely different pantheon than expected. Maybe he thought he'd be a Greek god like Poseidon, but instead has ties to the Norse gods. Another interesting turn is when his birth as a god is part of a much larger scheme by an ancient and powerful entity. And then there are those where Percy's new godly status causes a rift between him and his mother, as she struggles to accept this new version of her son.

One interesting plot twist could be that Percy's water powers somehow interact with Elsa's ice powers in unexpected ways. Maybe when they meet, their powers combine to create a new form of frozen water element that has unique properties. Another could be that the demigods from Percy Jackson's world have to deal with the magical cold of Arendelle, which is a whole new kind of challenge compared to their usual Greek - related threats.

Perhaps a plot twist where the Mist from Percy Jackson's world starts to affect Tokyo Ghoul. The Mist could make humans in Tokyo see ghouls as something completely different, like mythical creatures from their own Japanese folklore. This would not only change how the humans in Tokyo Ghoul react to ghouls, but also how the ghouls themselves perceive their place in the world and their relationship with humans.

One interesting plot twist could be that Percy discovers a way to nullify Kratos' god - given powers. Maybe he finds an ancient artifact during the fight that has the ability to do so. Another could be that Kratos, instead of seeing Percy as an enemy, realizes they have a common goal against a greater evil in the fanfiction world and they end up teaming up.

In some fanfics, a plot twist could be that a demigod turns into a vampire. This completely changes the dynamic as they now have to deal with their new vampiric nature while still having their demigod powers. It's a really unique take on the crossover.

One interesting plot twist could be when Atalanta turns out to be a long - lost relative of one of Percy's friends. This completely changes the dynamic between them and adds a whole new layer of complexity to the story.

In some fanfics, a plot twist might be that the Death Note has some sort of connection to the Greek underworld. Maybe it was created by Hades as a way to control the souls in a different way, and when Light Yagami starts using it, he unknowingly disrupts the balance between the mortal world and the underworld. This could lead to Percy and his friends having to step in and deal with both Light and the chaos in the underworld.

Another cool plot twist could be that the two universes start to merge because of some ancient magic or a scientific experiment gone wrong. Percy and Darcy then have to work together to stop the complete chaos that ensues. This not only forces them to combine their skills but also brings in a whole new set of challenges as they deal with characters and elements from both universes colliding.

Imagine this - Percy, thinking he's on a normal quest as the son of Hera, stumbles upon Naruto's world. But it turns out that Naruto's world is a sort of prison for the Greek gods, and they have been trapped there for centuries. Naruto and his friends have unknowingly been guarding the gods all this time. Percy now has to figure out how to free the gods without causing chaos in Naruto's world, and he has to convince Naruto to help him, which is difficult since Naruto doesn't trust these new 'powerful beings' from another world.

A great plot twist could be that the gods of both worlds had a secret plan all along. They made Percy and Thor brothers to create a bridge between the Greek and Norse realms. But when Percy and Thor start to figure this out, they face opposition from some of the more traditional gods who don't want the two worlds to mix. This could lead to a conflict where Percy and Thor have to fight not only against external enemies but also against their own godly families. It would add a whole new layer of drama to the fanfiction.