One great Percy son of Demeter fanfiction is 'Percy's Green Thumb'. In this story, Percy discovers his Demeter - given powers in a really interesting way. He starts to be able to make plants grow at an extraordinary rate, which helps him in battles and also in creating beautiful gardens around Camp Half - Blood. It's a really cool take on the idea of Percy being Demeter's son.
One possible plotline could be Naruto discovering his true parentage as the son of Demeter. This could lead to a journey of self - discovery as he tries to understand his new powers related to nature. Maybe he has to hide this from his friends at first because he's not sure how they'll react.
In 'The Traitorous Demeter', there's a major plot twist where Demeter seems to turn against Percy. This goes against the normal mother - son type relationship expected. It turns out she has been influenced by an ancient evil, and Percy has to find a way to break that influence and save her, while also dealing with the chaos it causes among the demigods.
Well, there's Wattpad too. Although it has a broader range of content, not just focused on fanfiction like the others. But it's possible to come across 'Naruto Son of Demeter' fanfiction there. However, you need to be careful with the quality as it can vary a great deal. FanFiction.net and AO3 are usually more reliable in terms of having a dedicated fanfiction community that often vets and rates the stories.
One possible antagonist could be those who oppose the mixing of the Naruto world and the Greek mythology elements. They might see Naruto as an abomination because of his unique heritage as the son of Demeter. Another could be some of the traditional Naruto villains who now see Naruto as an even greater threat due to his newfound powers related to Demeter. For example, Orochimaru might be interested in Naruto's powers for his own evil experiments.
Well, one interesting idea could be how Naruto's powers might be influenced by Demeter's connection to nature. Maybe he could have the ability to control plant growth in a unique way, like creating giant vines for defense or using flowers to heal. Another idea might be how his relationship with the other characters in the Naruto universe changes due to his new heritage. For example, he could have a different bond with those who are also in tune with nature, like some of the ninja clans that have nature - based jutsus.
Well, it could be that Harry discovers his true mother is Demeter later in his life at Hogwarts. Maybe he starts to show some powers related to nature, like being able to make plants grow rapidly. He could use these newfound powers to help in Herbology classes or even during battles, creating thickets of thorny bushes to fend off enemies.
Chiron is also likely to be a common character. He would be the one to help Percy adjust to his new identity as a son of Demeter. And there could be antagonists too. Maybe some monsters that are specifically targeting Demeter's children because of their connection to the earth and its resources. They could be trying to disrupt the balance that Demeter's children help maintain.
One possible plot could be Percy discovering his new identity as the son of Demeter and struggling to adapt. He might have to learn new skills like controlling plant growth and communicating with nature spirits, all while still dealing with his normal demigod challenges.
Yes, there are quite a few. You can check out platforms like Archive of Our Own (AO3). There, you'll find a variety of fan - created stories that explore the concept of Percy Jackson as the son of Demeter. Some might focus on his new powers related to nature and agriculture, while others could delve into how his relationship with the other demigods changes due to this new lineage.