Adventure themes would be great. They could go on a quest together, facing various mythical creatures and challenges. For example, they could be searching for a lost artifact that has the power to save their world.
A theme about self - discovery for both Jason and Percy could be interesting. They could each be on a journey to understand their true powers and identities better. This could involve them traveling to different places in their mythical worlds and meeting new characters who help them in this process.
One popular theme is their friendship. Writers often explore how they support each other and overcome challenges together. For example, they might face a new monster threat and use their combined powers to defeat it.
Power and responsibility is a recurring theme. Given their powers, they have to deal with the responsibility that comes with it. In many fanfictions, they face moral dilemmas related to their powers. There's also the theme of teamwork. They are often paired together to face challenges that they couldn't overcome alone, highlighting the importance of working together.
A major theme is growth. In these fanfictions, Percy and Jason grow both as individuals and as brothers. For example, they might learn to understand each other's strengths and weaknesses better. Also, friendship is a theme. Their brotherhood often extends to their friends, and they all support each other. In some fanfictions, they work together with their friends to overcome great threats. They learn to value their relationship not just as brothers but also as comrades in the face of danger.
One popular theme could be friendship. Percy and Jason are both strong characters, and exploring how their friendship develops in different scenarios can be really interesting. For example, they might face a new and powerful enemy together and how they support each other through it. Another theme could be rivalry. Since they both have their own powers and leadership skills, there could be a bit of friendly competition between them. And also, the theme of self - discovery. They might help each other figure out new aspects of their identities, like Percy learning more about his Roman side with Jason's help, or vice versa.
Another theme could be revenge. In some of these fanfictions, the betrayed Percy or Jason might seek to get back at those who wronged them. This could involve elaborate plans and a display of newfound power or skills. For example, Percy might use his water - controlling abilities in unexpected ways to take revenge on those who betrayed him.
One common theme is the exploration of gender roles. Since Percy and Jason are male characters, becoming pregnant turns the traditional gender roles on their head. It makes them experience things usually associated with female characters.
One common theme is the exploration of friendship turning into something more. Their initial camaraderie as heroes evolves into a deeper, romantic connection. For example, in many stories, they start off as rivals or just comrades, but as they get to know each other better, feelings develop.
A theme that often pops up is the idea of defying expectations. Since they are different versions of the original characters, they have to break free from the norms associated with Percy and Jason. For example, fem Percy might have a different approach to leadership or combat compared to the male Percy. This exploration of different identities and how they change the story is quite common in these fanfictions.
Another theme is the discovery of self - through love. As they fall in love, they learn more about themselves. Percy might discover a more patient side of himself because of Jason, and Jason might find a more carefree part of himself thanks to Percy. It's like their relationship is a mirror that reflects their hidden selves.
One popular theme is adventure. Since both are from the world of demigods, fanfiction often has them going on quests together while their love blossoms. Another theme could be friendship turning into love, as they start off as comrades and then develop deeper feelings.