In fanfiction, the connection between Percy Jackson, Ares, and Alsh High School could be really interesting. Ares is the god of war, and Alsh High School could be a place where he wants to stir up some chaos. Percy, on the other hand, is often in the business of restoring order. So, perhaps Ares is using the school as a battleground of sorts, with students unknowingly caught in the middle. Percy would then have to navigate the high school's social and physical environment to face off against Ares and protect the innocent students.
Perhaps there's a mystery at Ares High School where strange things keep happening, like students getting sudden bursts of uncontrollable strength. Percy, suspecting it has something to do with Ares, investigates and discovers an ancient artifact hidden on campus that's causing the chaos. He then has to find a way to stop it without getting caught by the school authorities or Ares' minions.
Characters like Annabeth could be developed by exploring her jealousy or concern when Percy is spending so much time at Ares High School. She might try to infiltrate the school in some way to keep an eye on him. And for the Ares - influenced characters, you can show their internal conflict between following Ares' brutal ways and their own sense of right and wrong as they interact more with Percy and his friends.
Ares could be the antagonist. He might be there to create conflict among the students, like starting rivalries or fights. Maybe he's looking for a particular student with special abilities for his own devious plans.
In fanfiction, the relationship could be developed by exploring their family ties. Since Percy is a demigod and Ares is a god, there could be some underlying connection through the divine family tree. Maybe they discover that they are related in a more distant way than they thought. This could lead to Ares having a more protective side towards Percy, or Percy seeing Ares in a less antagonistic light. Also, they could be forced into a situation where they have to communicate their feelings and motives clearly, like being trapped in a magical prison together. This would make them open up and start to build a more complex relationship.
One great Percy Jackson high school fanfiction is 'New Beginnings at Goode High'. It shows Percy trying to fit into a normal high school life while still having his demigod secrets. The author does a great job of portraying the internal struggle Percy faces between his two worlds.
One great Percy Jackson fanfiction set in a high school could be 'High School Demigods'. It really captures the essence of the characters in a modern high school setting. The author does a wonderful job of bringing in the elements of the Percy Jackson world, like the different cabins and powers, into the school environment.
Well, it could be about Percy discovering he has this unexpected connection to Ares. And then he has to deal with the reactions of his friends like Annabeth. Some of them might be distrustful of this new relation. Percy would then try to find out more about his connection to Ares through exploring old prophecies and ancient sites, all while trying to keep his regular demigod duties in check.
In Percy Jackson fanfiction, Ares is often portrayed as a very aggressive and war - hungry figure. He might be shown as having a short temper and being quick to anger, much like his depiction in the original series. For example, he could be seen starting battles or conflicts just for the sake of it, and his followers might be depicted as equally bloodthirsty.
One possible plot could be that Ares and Aphrodite's secret relationship is somehow discovered by Percy and his friends. Percy then has to decide whether to expose them or use this knowledge to his advantage in the ongoing power struggles among the gods. Maybe Aphrodite tries to charm Percy into keeping the secret, while Ares threatens him. This would create a lot of tension and moral dilemmas for Percy.