One possible plot could be that Percy, with his natural heroic instincts, discovers a hidden world of dragon riders. Maybe he stumbles upon a dragon egg during one of his quests. Since he has a connection with water and dragons are often associated with elements, he could find a way to bond with the newly hatched dragon. This would lead him to learn the ways of the dragon riders, facing challenges from those who oppose a half - blood like him becoming a rider.
The plot might involve Percy being magically transported to a realm where dragon riding is common. There, he is an outcast at first because of his different origin. But his skills in combat and his ability to adapt quickly, which he learned from his demigod experiences, help him earn the respect of some dragon riders. He then has to prove himself worthy of riding a dragon by completing a series of dangerous tasks, like taming a wild dragon or finding a lost dragon rider relic.
Well, perhaps in the fanfiction, the dragon rider is betrayed when they are blamed for a crime they didn't commit. Maybe it was a theft of a powerful magical item. The real culprit sets up the dragon rider, and Percy, believing the false evidence, turns his back on the rider. The rider then discovers the real thief's identity and has to fight against both the false accusations and the real villain to clear their name and reconcile with Percy.
Well, perhaps Harry stumbles upon an ancient book about dragon riding in the restricted section of the library. As he reads it, he's drawn into a world of dragon riders. He then meets a mysterious figure who offers to teach him the ways of dragon riding. Harry embarks on this new adventure, facing challenges like learning to communicate with the dragon and mastering the art of flying on its back. Along the way, he makes new friends among other dragon riders and they all fight against a common enemy that threatens the existence of both the wizarding world and the dragon habitats.
It depends. Some Percy Jackson fans might be really into this kind of fanfiction as it combines two exciting elements - Percy Jackson and dragon riding. However, compared to the more mainstream Percy Jackson stories, it may not be as widely known. There are a lot of different fanfiction out there, and popularity can vary greatly depending on the specific fan community and how well it's promoted among Percy Jackson enthusiasts.
Well, Percy's powers could give him an edge in dragon riding. His superhuman strength and agility, which he has as a demigod, would make him a great rider. When it comes to combat while on the dragon, he could use his water powers to create distractions for enemies. He could also use his power to communicate with sea creatures to get information about potential threats or hidden treasures that might be relevant to the dragon riders. His powers and the dragon's abilities would be a unique combination that could make them a formidable force in the fanfiction world.
Well, it could happen if Percy has an encounter with a dragon that changes his perspective. Maybe he meets a dragon that has some sort of connection to the Greek gods. For example, the dragon could be a guardian of a hidden artifact related to Poseidon. This encounter makes Percy intrigued by dragons, and he starts to study them, thus becoming a dragon fan.
Another possibility is that it could be a character who has been corrupted by dark magic. This character was once a friend or at least an acquaintance of the dragon rider. But the dark magic makes them see the dragon rider as a target. They betray the rider in the hopes of getting some sort of power or reward from a more powerful evil entity.
In this fanfiction, it could be that Percy is chosen for a special task by the existing Olympians. They see his potential not just as a hero but as someone who could join their ranks. So he gets trained in Olympian magic and lore, which is very different from what he's used to. He has to learn how to control new powers and also deal with the politics among the Olympians.
The plot could start with Percy being somehow influenced by Kronos, maybe through a dream or a cursed object. Then he slowly starts to act in ways that are out of character for him. He might begin to gather followers who are also attracted to the power that Kronos represents. Eventually, he could lead an uprising against the gods, believing that he can create a new world order under Kronos's ideology.
The plot could involve Percy using his demigod skills in a samurai - like way. Maybe he discovers an ancient Japanese weapon that has some sort of connection to the Greek gods. He could start training with a Japanese mentor who is secretly a descendant of a minor god. And then he has to use his new samurai skills to fight off some mythical creatures that are attacking both the Greek and Japanese mythological worlds.
One unique plot idea could be that Percy discovers he has a special connection to the dragons because of his demigod powers. Maybe he can communicate with them on a deeper level than others. Another idea is that the dragons are the key to solving a new threat to the demigod world, like a powerful ancient evil that only the combined strength of the demigods and the dragons can defeat.