One key theme is often protection. Percy is usually portrayed as someone who wants to protect Hestia, and she in turn protects him in more of a spiritual or emotional way. For example, in many fanfictions, Percy will stand up to threats against Hestia's domain.
Another theme is the idea of a new beginning. Since Percy has had a lot of turmoil in his life, his relationship with Hestia can symbolize a fresh start. In some fanfictions, this is shown through Percy finding peace and a new purpose in being with Hestia.
One common theme is family. Since Hestia is associated with the hearth, which is a symbol of home and family, fanfictions often explore Percy's family relationships more deeply. Another theme could be protection. Percy, as Hestia's champion, might be tasked with protecting something or someone related to her domain.
One common theme could be the exploration of an unexpected love. Since Percy and Hestia are from different aspects of the fictional world, their love might be seen as something that defies the norms. Another theme could be the power of love to bridge differences, as they likely have different powers and roles.
The theme of protection is often present. Hestia protects Percy from various threats. Also, there's the theme of change. Percy's place in the demigod world changes as he is now associated with Hestia. This can lead to different relationships with other characters like the other demigods and the gods. He might be seen as an oddity at first but then respected for his unique upbringing.
One common theme is the idea of forbidden love. Since Hestia is a goddess and Percy is a demigod, their relationship often goes against the established order in the mythological realm. Another theme is the discovery of new emotions. Percy, who has been through so much, finds in Hestia a different kind of love and stability. Hestia, on the other hand, experiences a new - found excitement with Percy.
One common theme could be adventure. Given Percy's nature in the original story, fanfiction might continue his adventures but with Hestia involved in some way. For example, they might go on a quest together.
One common theme is the discovery of new relationships. Since Percy and Hestia come from different parts of the mythological world, their coming together often involves a lot of discovery about each other. Another theme is the idea of protection. Hestia being a goddess of the hearth often has an inclination to protect Percy in these fanfictions.
I really like the fanfic 'Percy and Hestia: A New Bond'. It starts with Percy seeking solace at Hestia's hearth and from there, a unique connection forms. It's filled with tender moments between them and shows how Hestia can be a source of stability in Percy's chaotic life. The descriptions of their interactions are very vivid.
The theme of family also comes up. Percy has a complex family situation, and Hestia can be seen as a mother figure in some fanfictions. This relationship can explore what it means to have a stable and loving family member in the chaotic world of Percy Jackson. It can also show how Percy responds to this new kind of family connection, perhaps growing and maturing as a result of Hestia's influence.
One common theme could be the exploration of an unexpected relationship. Since Percy and Hestia are not a typical pairing in the original source, fanfiction might focus on how they come together in a surprising way.
The exploration of Percy's role in the camp is also a common theme. If he's the son of Hestia, how does that change his standing in Camp Half - Blood? Does he have new responsibilities? Writers might also play with the idea of Percy being a symbol of hope and stability within the camp, much like Hestia is a symbol of the hearth and home in Greek mythology.