He could use his sense of humor. Just like in the Harry Potter world, laughter can be a powerful weapon against a boggart. Percy has a witty side, so he could crack jokes to make the boggart change into something less scary and then attack it.
Perhaps it could be a vision of the world being completely overrun by the Titans or other powerful enemies and him being powerless to stop it. Percy has always been a hero, and the thought of failing in such a big way could be a terrifying boggart.
If Percy Jackson were to face a boggart in a fanfiction, it could be really interesting. Percy is used to dealing with Greek monsters, but a boggart is a different kind of threat. It takes the form of your worst fear. Since Percy has a lot of fears, like losing his friends or failing to protect his loved ones, the boggart could transform into something really terrifying for him. He might initially approach it like any other enemy, but then realize that it's not as straightforward as slashing it with his sword. He'd have to figure out a different way to defeat it, perhaps using his wits and courage in a new way.
Percy might struggle with his new identity. He has been a demigod for so long, and suddenly becoming a primordial god means he has to re - evaluate his place in the world. He may miss his old life, his friends, and the simplicity of being a demigod. Adjusting to the new powers and responsibilities is not going to be easy.
He could also face challenges related to the knowledge required to use his power effectively. In fanfiction, there might be ancient texts or prophecies that he needs to decipher in order to fully understand and utilize his new powers. But these texts could be written in a long - lost language or be guarded by powerful entities, making it difficult for him to access the necessary information.
He might face the challenge of overtraining or undertraining. Since he doesn't have a coach or a training partner to tell him when he's doing too much or too little, he could end up either exhausting himself or not making enough progress. In fanfiction, he could also struggle with loneliness. Training by himself means no one to share his frustrations or small victories with. This loneliness could potentially affect his mental state and in turn, his performance. Additionally, without feedback from others, he may develop bad habits in his training that could be hard to correct later on.
The environment itself is a big obstacle. Tartarus is a place of extreme darkness and chaos. It can mess with Percy's mind, making it difficult for him to focus on his training. The terrain is also treacherous, with rivers of fire and bottomless pits.
As the god of fate, Percy has to deal with the chaos that can result from interfering with fate. Even a small change in one person's fate can have far - reaching consequences. He also has to be constantly vigilant against those who would try to manipulate him into changing fates for their own gain. The balance between justice and mercy in his decisions regarding fate is another big challenge. He can't be too lenient or too harsh, and finding that middle ground while dealing with the vastness of all the fates in the world is an extremely difficult task.
The most interesting aspect of Percy's Boggart in fanfiction might be the way it can be used to show his relationships in a new light. Imagine his Boggart being something that represents estrangement from his family. This can lead to stories that focus on his journey to reconcile with them, or his struggle to deal with the fear of losing their love and acceptance, which is really fascinating.
No. Percy Jackson is an original fictional series. Although it uses Greek mythology as its base, it has created a completely new world, characters, and storylines. Fanfiction usually implies building upon an existing work in a more derivative way, often by fans rather than the original creator. 'Percy Jackson' was created by Rick Riordan as an original concept.