Well, it could be about Percy traveling to different planets. Maybe he meets strange alien species on each planet and has to learn their cultures to survive.
Perhaps Percy is on a mission to find a lost artifact in the universe. Along the way, he discovers new forms of energy and has to battle space pirates who also want the artifact. He might team up with some friendly aliens to overcome the pirates.
In the 'percy explores the universe fanfic', it could start with Percy being accidentally transported to a far - off galaxy. He then explores various star systems, encounters amazing cosmic phenomena like supernovas and black holes. He could also befriend a group of telepathic beings who help him understand the secrets of the universe.
There could be an alien sidekick named Zorx. Zorx might be a small, furry creature with the ability to see in multiple spectrums, which helps Percy navigate through different planetary environments.
A possible plot could involve a character going back in time to the beginning of the universe. This character, perhaps a demigod with special powers, witnesses the formation of the cosmos. They see how the different elements of the Percy Jackson world, like the Underworld, Mount Olympus, and the various magical creatures, came into existence. It could also explore how the concept of demigods was first conceived during these early times.
In some fanfictions, new characters are introduced. For example, an alien princess who befriends Percy and helps him understand the ways of the universe. She could have unique powers and a different culture that clashes and then blends with Percy's Greek - influenced world. Another popular character could be a rogue demigod who has been living in the far reaches of the universe and has some dark secrets. He could act as an antagonist or an anti - hero in the story, adding a layer of complexity.
There might be a fanfiction where Percy Jackson gets transported to a parallel universe within the cosmos. In this universe, the gods have different forms and powers, and he has to quickly adapt to survive. He may meet alternate versions of his friends and enemies, and together they figure out how to get him back to his own universe while also facing a threat that is endangering both universes. It could involve a lot of action - packed scenes as Percy tries to use his skills in this new and strange setting.
One possible plot could be that Naruto discovers a new form of chakra that is linked to the energy in space. This allows him to survive in the vacuum and travel between planets. He could meet new alien races, some friendly and some hostile. His ninja skills would be put to the test in zero - gravity combat situations.
One possible plot could be Percy Jackson using his powers to create new realms within the universe. He might face challenges from ancient gods who feel threatened by his new - found ability to shape the cosmos.
It might be a story where Percy discovers he has some sort of connection to the Namekians. For example, he could have a hidden Namekian power within him. As he explores this, he teams up with a group of Namekians to defend their planet from an outside threat like a powerful space pirate group.
Maybe Percy uses his genius to solve complex mysteries within his fictional world. He could be outsmarting villains and coming up with brilliant strategies to save the day.
One possible plot could be Percy training to improve his combat skills. He might start working out to become stronger for an upcoming battle. For example, he could be preparing to face a new, powerful enemy. As he works out, he could face various challenges like overtraining and having to find the right balance between physical training and using his powers.
Another idea is that Percy discovers he has a long - lost vampire heritage. As he becomes a vampire, he starts to unlock memories and powers related to his vampire lineage. He could go on a journey to find out more about his vampire ancestors and the secrets they held, all while adjusting to his new vampiric existence which is full of both challenges and newfound abilities.