One possible plot could be that Harry is transported to the world of Greek gods. There, he finds out that the Greek gods have been observing the wizarding world for a long time. They believe Harry has a special role to play in saving both their worlds from a common enemy. So, Harry has to adapt to the new environment, learn about the powers of the Greek gods, and find a way to combine his magic with their divine powers to defeat the enemy. He might also make some friends among the Greek demigods and gods, and there could be a lot of interesting interactions between him and the well - known figures of Greek mythology like Zeus, Athena, etc.
In a 'Harry Potter is a Greek god fanfic', the plot could be that the Greek gods are in need of a powerful wizard to help them with a problem in their realm. They choose Harry Potter. Harry then embarks on an adventure in the world of Greek gods. He discovers that some of the spells and magic he knows in the wizarding world have parallels in the powers of the Greek gods. Along the way, he uncovers secrets about his own family's past that link them to the Greek gods. There could be a love interest, perhaps with a demigod. And as he tries to solve the gods' problem, he also has to deal with some internal conflict about whether he should fully embrace the ways of the Greek gods or stay true to his wizarding roots.
The plot could involve Harry being torn between the two worlds. He has his loyalty to Hogwarts and his friends there, but his Greek god side pulls him towards a different destiny. He could be on a quest to find out which Greek god is his father. Along the way, he might meet other demigods who help him understand his powers better. And he could use his combined knowledge of magic and godly abilities to defeat a great evil that threatens both the wizarding and Greek mythological realms.
Apollo could be Harry's father. Apollo is the god of music, poetry, and prophecy among other things. If Harry was Apollo's son, he could have an innate talent for divination that is far beyond what he showed in the original books. He might also be able to use music as a form of magic, perhaps charming his enemies or healing his friends with melodies.
One possible plot could be that Harry, as the daughter of a Greek god, discovers her true heritage during her time at Hogwarts. Maybe she starts to show powers beyond normal wizarding abilities, like being able to control the elements in a way that's more related to her Greek god side. This could lead to her having to face challenges from both the wizarding world and the Greek mythological realm, as she's a unique being that doesn't quite fit into either world fully.
Well, it could be about Harry Potter somehow getting involved with the power of the God of Destruction. Maybe he accidentally stumbles upon an ancient artifact that has the essence of the God of Destruction. This could lead to him having to control this new and dangerous power while still dealing with the threats in the wizarding world, like Voldemort or other dark forces.
Yes, it's a very unique concept. It could mean that in this fanfiction, Harry Potter might interact with Greek gods. For example, he could go on quests with them or learn magic from them which is different from the regular Hogwarts magic.
The plot might involve Harry being drawn into the world of Greek gods and goddesses. He could be on a quest to find out more about his mother, the Greek goddess. Along the way, he might meet other demigods or creatures from Greek mythology. His Hogwarts friends could be either helping him or being a bit confused by this new side of Harry. And he'd probably have to balance his life at Hogwarts with his new adventures in the Greek mythological realm.
Greek mythology can introduce new types of magic. For instance, the magic associated with the Greek gods like Aphrodite's love - inducing magic could be incorporated into a fanfic's plot. It might create a love triangle or some other relationship - based plotline in the Harry Potter setting. Another influence could be in the form of quests. Just as Greek heroes had to go on quests, characters in the fanfic could embark on a similar journey, perhaps to find a lost Greek magical artifact hidden in Hogwarts or the wizarding world.
You could write it by making Harry a chosen one in the Greek god world too. Maybe he has to stop an evil force that threatens both the wizarding world and the world of the Greek gods. He could get help from the Greek heroes like Hercules and use his magic to assist them in battles.
I'm not sure if there is an exact 'Harry Potter is a Greek god fanfic' specifically. Fanfics are all over the place on the internet, like on some big fanfic websites such as Archive of Our Own. You could try searching there using relevant keywords like 'Harry Potter' and 'Greek gods' to see if you can find one.
A possible plot could be that the God of Destruction arrives in the Harry Potter world as a result of a powerful, ancient magic spell gone wrong. This being has no understanding of the concepts of good and evil in the wizarding world. Harry, with his unique ability to see the good in people (and now beings), tries to communicate with the God of Destruction. Meanwhile, Voldemort sees this as an opportunity to either destroy the God of Destruction and gain its power or use it to destroy Harry. Harry has to use his wits, the knowledge he has gained from Hogwarts, and the loyalty of his friends to stop Voldemort and deal with the God of Destruction.