Maybe Percy breaks his ribs in a training accident at Camp Half - Blood. This could lead to him feeling frustrated as he can't participate fully in activities. He could then discover a new way to train or gain power while recovering, perhaps by learning more about his demigod heritage in a different way.
In the fanfiction, Percy could break his ribs while on a quest. His injury would make the quest even more dangerous. He'd struggle with pain but still be determined to complete the mission. His friends would be worried about him, and there could be moments where they debate whether to continue or find a safe place for Percy to heal.
Percy might become more empathetic. Since he's usually the strong one, being injured would make him understand what it's like for others who are hurt. He could develop more patience as he has to wait for his ribs to heal.
The plot could involve Percy having an accident during a battle. Maybe he's fighting a powerful monster and gets thrown against a hard surface, resulting in broken ribs. His friends then have to figure out how to get him medical help in the middle of their adventure.
Well, it could be a story about Merlin trying to hide his broken ribs while still performing his duties. Maybe he's worried that if Arthur finds out, he'll be restricted from doing certain tasks.
Well, it could be about a guardian figure in the Percy Jackson world who has been broken in some way. Maybe a protector who has failed in their duty, or perhaps has had their spirit or power broken. It might explore their journey to redemption or how their broken state affects the other characters around them.
One consequence could be Percy feeling betrayed. He has always been a hero for the gods, but if they keep breaking their promises, he might lose faith in them. This could lead to him distancing himself from the world of the gods and focusing more on his own life or the lives of his mortal friends.
Well, one possibility could be a story where Percy Jackson, with his demigod powers, somehow stumbles into Morathi's realm. Maybe he initially mistakes her for an ally, but soon discovers her true nature. And they could be forced to work together against a common enemy, like a new, powerful ancient evil that threatens both their worlds.
The plot could develop with Merlin gradually getting worse. His broken ribs might prevent him from using his magic effectively. For example, when he tries to cast a spell, the pain from his ribs could cause him to lose focus and the spell could go awry.
Perhaps it could be a centaur who was once a great guardian of the forest but has been broken by the encroachment of dark forces. Or it could be a minor god who was supposed to protect a certain aspect of the world but has failed and is now in a broken state. There are many possibilities within the rich lore of Percy Jackson.
It could be a new, powerful monster. Maybe a giant with the ability to shatter bones just by looking at a person. This monster could be targeting Percy specifically because of his reputation as a hero among the demigods.
Well, in this fanfiction, Percy as the God of Love might have a love - triangle situation of his own. Maybe he's in love with Annabeth still, but as the God of Love, he has some sort of divine connection with a new character, like a nymph. And he has to figure out how to balance his mortal love and his new divine love - related responsibilities.