A great aspect of such a fanfiction could be the growth of Annabeth under Percy's fatherly guidance. Percy has his own unique set of skills and wisdom from his many adventures. He could pass on things like his knowledge of the sea, his ability to make quick decisions in dangerous situations, and his loyalty to friends. Annabeth, in turn, could challenge Percy in new ways as his daughter, making him grow as well. Their relationship would be a complex mix of the original friendship and this new father - daughter bond, full of love, arguments, and mutual respect.
The fanfiction might explore how Percy's relationship with other characters changes. For instance, he may have to face the judgment of Athena, Annabeth's mother, as he takes on the role of father. Athena could be skeptical or even hostile at first, but over time, Percy could prove himself worthy. Also, Percy would have to interact differently with his own friends and family, like his mother Sally, who might now be a grandmother - like figure to Annabeth.
A fanfiction like this would likely explore Percy's new role in a world where he is the father of Athena. It could show how he imparts his own values and skills to her. There might be adventures where they work together, and Percy has to protect Athena as she grows up. It would also need to explain how this new family dynamic affects the rest of the demigod world and the relationships between the different cabins at Camp Half - Blood.
Their relationship would likely become even deeper. They would be partners not only in their heroic adventures but also in parenting. They would have to support each other in raising their child, like Annabeth helping Percy understand their child's academic needs while Percy might be better at teaching combat skills. They would also have to make decisions together about their child's future, whether it's about staying at Camp Half - Blood or trying to live a more normal life in the mortal world.
In a fanfiction, Percy could become Annabeth's father in a magical realm where the rules of family and time are distorted. Maybe a powerful god or goddess messes with their destinies. Percy would then have to navigate the new relationship while still dealing with his own heroic duties. He might struggle to balance protecting her as a father and respecting her as an independent demigod who is used to taking care of herself.
A big part of the fanfiction could be about the reactions of the other characters. The other demigods would be shocked, and the gods would probably have mixed feelings. Some might see it as an opportunity to gain power through their connection, while others would be envious. And Percy and Aphrodite would have to navigate their relationship while dealing with all these outside forces.
A fanfiction like this could also explore Percy's character in a new light. He's known for his courage and loyalty, but being married to Gaia would test him in ways he's never been tested before. He might have to make some tough choices, like sacrificing some of his own power or even his relationships with his friends to fight against Gaia. And it could also introduce new characters or creatures that are related to Gaia's realm. Maybe there are some ancient earth spirits that Percy has to deal with, and he has to learn new ways to use his powers to interact with them.
It could be really exciting. Percy has his own set of skills and experiences. As Thalia's father - figure, he might share his knowledge of water - related powers with her, even if she has her own abilities related to lightning. They could form a unique bond that combines their different strengths.
Well, that could lead to a major shift in the story. Percy might be heartbroken and struggle to cope without her.
He'd probably adapt slowly. At first, he'd be confused by the normal school rules. But he'd use his street - smart skills. He might use his swimming abilities to shine in the school's swim team if there is one. And he'd rely on Annabeth to explain things like how to use a locker or where the cafeteria is.
Percy would feel a deep sense of guilt as well. He might think that he should have been there to protect her. So, he would be determined not only to free her but also to make sure whoever is responsible pays for what they've done. He would use his powers over water to his advantage, like creating distractions or using water to weaken the enemy's defenses while he tries to reach Annabeth.
One possible fanfiction could be about how Annabeth's ribbon wrist is a magical item given to her by a minor goddess. In this story, Percy discovers that when Annabeth's ribbon wrist is removed, she loses some of her strategic thinking abilities. Percy has to protect her and the ribbon from a group of monsters who want to use it to disrupt the balance in Camp Half - Blood.