Well, it's possible. A lot of fanfiction writers like to explore unique concepts about their favorite characters. However, the specific 'Percy is immortal virgin' fanfiction might not be easy to find right away. You may need to dig deeper in the search results, perhaps try different combinations of related tags to narrow it down.
Percy is the central figure in 'percy is immortal fanfiction'. Other characters like Grover might play important roles too. Grover could be worried about Percy's immortality and try to help him come to terms with it. And of course, there could be new characters introduced who are also immortal and interact with Percy in different ways.
A major theme is the exploration of power. Since he's immortal, Percy may gain new powers or abilities, and the fanfiction often explores how he uses or controls them. Also, the theme of loss is present. He might lose his connection to his mortal life and the people in it. For example, in some stories, he has a hard time relating to his mortal friends anymore.
Well, a theme that might show up often is power. His immortality could be linked to some sort of power, and being a virgin might play into that in some way, like it's a part of a condition for his power. Also, themes of love and relationships could be explored in a different way. Since he's a virgin, his approach to love might be more naive or different from others, and his immortality could also affect how he views long - term relationships.
One idea could be that Percy discovers an ancient immortality spell hidden in the depths of Westover Hall. He has to face off against some dark forces that also want the spell for their own evil purposes. Maybe he teams up with some new friends he makes at the hall to keep the spell out of the wrong hands.
One great Percy Jackson and Immortal crossover fanfiction is 'The Immortal Demigod'. In this story, Percy discovers he has an immortal side due to some ancient magic. It's full of action and interesting character interactions. The author does a great job of blending the two worlds together.
It could be a group of dark wizards who see Percy and Harry's immortality as a threat to their own power - hungry plans. They might try to eliminate them to gain more control over the wizarding world.
One possible interesting plot could be Percy's struggle with immortality. He might face the loneliness of outliving his friends and loved ones. Another could be how he uses his immortality to protect the world in new and different ways, perhaps by being able to take more risks without the fear of death.
Well, in this fanfiction, Percy's immortality could lead to some really interesting character development. He may start to feel lonely as he realizes that he will outlive all of his friends. This could cause him to be more withdrawn at first. But then, as he interacts with the students at Westover Hall, he might find new meaning in his immortality. He could start to see it as a way to protect others not just for a short time, but for as long as he exists. He could also form deep and lasting friendships with those who accept him for who he is, regardless of his immortality.
One popular Percy Forced Immortal fanfiction is 'Immortal Trials of Percy'. It has an interesting plot where Percy is forced into immortality and has to face new challenges. Another could be 'Percy's Forced Immortal Quest' which delves into his journey in this new state.