One frequent theme is the exploration of the unknown. The oc, being new to the world of the gods, gets to discover all kinds of things with Hephaestus. There's also the theme of acceptance. Hephaestus, who might be seen as an outcast among the gods, and the oc, who may not fit in in their own world, find acceptance in each other. It's a really heartwarming aspect that many writers like to explore in these fanfictions.
One place to find hephaestus x oc fanfiction is Archive of Our Own (AO3). Just search for 'hephaestus x oc' in the search bar, and you'll get a list of relevant stories. Some might be about the unique relationship between Hephaestus, the god in Greek mythology, and an original character (oc). Another option is to check out some fanfiction forums where users might share and discuss such stories.
One common theme is the exploration of their different powers. Hephaestus is the god of fire and forging, while Amphitrite is a sea goddess. Their union in fanfiction often explores how these two very different powers can coexist or even enhance each other. Another theme is the idea of an unlikely love. Given their different domains, it's an unexpected pairing, and many fanfictions play on this aspect of their relationship.
One common theme is self - discovery. Since the OC is a son of Hephaestus, they often have to figure out their unique powers and how to use them. Another theme is acceptance, both within the Hephaestus cabin and among the other demigods at Camp Half - Blood.
One common theme is the exploration of their rivalry. Given their different natures in Greek mythology, fanfictions often play with their competitive relationship. Another theme is the idea of redemption. Maybe Ares tries to make up for past wrongs against Hephaestus. And of course, there's the theme of unexpected love, as they seem like an unlikely pair at first glance.
Fanfiction.net might also have some 'aphrodite x hephaestus fanfic'. You can browse through different categories and use the search function. However, keep in mind that the quality can vary widely. Look for stories with high ratings and positive reviews. Some authors might also have their own blogs or websites where they post their fanfics, so it could be worth doing a general internet search for those as well.
In a 'aphrodite x hephaestus fanfic', one could expect to see a lot of emotional drama. Since Aphrodite was often associated with affairs and Hephaestus was her husband in some myths, the fic could delve into their marital issues. It might show how Hephaestus deals with Aphrodite's unfaithfulness or how Aphrodite feels trapped in a marriage with someone she doesn't fully love. The fic could also explore the idea of redemption and forgiveness in their relationship.
One plot idea could be the OC's struggle to live up to his father Hephaestus' reputation. He might face challenges in creating unique and powerful artifacts, while also dealing with the expectations of the other gods. Another could be a quest to retrieve a lost, powerful weapon made by Hephaestus that only his son can sense. The OC could also get involved in a love story where his skills as a son of Hephaestus play a role, like creating a special gift for his beloved.
One popular hephaestus x amphitrite fanfiction is 'Forgotten Bonds'. It explores their relationship in a unique way, with vivid descriptions of their encounters. Another great one could be 'The Unlikely Pairing', which delves deep into how their different natures interact. There's also 'A Different Love Story' that shows a more modern take on their relationship.
One great 'Percy Jackson OC son of Hephaestus fanfiction' is 'The Forged Hero'. It follows the story of an OC named Leo Jr., the son of Hephaestus. He has to face challenges in the Camp Half - Blood and prove himself worthy. Another interesting one is 'Hephaestus' Hidden Son'. It shows the OC's journey in discovering his powers and his place among the demigods.