Create a plot where a Nephilim character has the ability to see the future, but only in fragments. This Nephilim has a vision that involves Percy Jackson and the end of the world. They seek out Percy to try and prevent this catastrophe. But along the way, they face interference from both sides - those who want the prophecy to come true and those who are afraid of the power they could gain if they stop it. This creates a complex web of alliances and betrayals.
A unique plot could involve a Nephilim who is cursed. The curse causes chaos in the Percy Jackson world, and Percy has to figure out how to break it. The Nephilim's powers are warped by the curse, and Percy has to learn about Nephilim magic in order to help. As they work together, they uncover secrets about both their worlds that were long buried, and in the end, they not only break the curse but also change the relationship between the two worlds forever.
You could start with a mystery. For example, Nephilim artifacts start showing up in the Percy Jackson world. Percy and his friends suspect foul play and begin to investigate. As they dig deeper, they discover a connection to the Nephilim. This leads to a journey into the Nephilim realm where they must navigate different rules and powers.
A unique plot could involve a prophecy that links Percy Jackson and a character from 'Rough Lemon'. The two have to team up to fulfill the prophecy. Along the way, they face many obstacles. They have to learn about each other's cultures and powers. Percy has to teach the 'Rough Lemon' character about the Greek gods, and the 'Rough Lemon' character teaches Percy about the magic of their world.
Well, you could start by thinking about the two universes you want to cross. For example, if it's Percy Jackson and Star Wars. Maybe Percy gets transported to the Star Wars universe. He could use his powers in unique ways, like using water manipulation to deal with the desert planets. His demigod abilities would be seen as a strange and new force in that galaxy.
They could be used as a form of mind control. Maybe there's a villain who has the power to make the tentacles attach to people and influence their thoughts. Percy has to resist this control while also trying to free his friends who have been affected. This creates a unique challenge as he not only has to fight the physical threat of the tentacles but also the mental manipulation they bring.
I've read one where the lemon is actually a disguised god. Percy and Sally don't realize it at first, but as the story progresses, they discover the true nature of the lemon - god. It's a really unique take on the Percy Jackson universe and the relationship between Percy, Sally and this strange entity.
You can start by combining different traits of existing monsters. For example, create a character that is part minotaur and part mermaid. This hybrid would have the strength of a minotaur and the aquatic abilities of a mermaid. It could have a unique backstory like being an outcast from both minotaur and mermaid communities.
One way is to make their tattoos a part of their backstory. Maybe a character has a tattoo that was given to them by a mythical creature they once saved. The tattoo has a special bond with that creature, and it gives the character an advantage in certain situations. For instance, if the tattoo was from a centaur, it could give the character enhanced speed and archery skills when they touch the tattoo. This kind of unique connection to their tattoo helps create a distinct character in the Percy Jackson fanfiction world.
You could create a character who is a descendant of an ancient being associated with the Styx. For example, a half - human, half - river spirit. This character could have unique abilities like being able to manipulate the waters of the Styx in ways that Percy can't. They could also have knowledge of the river's deepest secrets, which would be useful in the story.
Perhaps a story where a Nephilim is sent to the Percy Jackson world to learn about different forms of power. This Nephilim could initially be a bit of an outcast in their own world due to their unique abilities, and in the Percy Jackson universe, they discover new ways to use their powers and form unexpected friendships.
First, you need to think about their powers and how they relate to their godly heritage. But also think about the limitations. A character who is a child of Poseidon can control water, but maybe they can't do it well when they're really tired. Then, think about their relationships with other characters. A character who has a rivalry with another demigod can add a lot of drama. Their appearance can also play a role. A character with bright red hair who is a child of Hephaestus might stand out. Their goals and dreams are important too. A demigod who wants to prove themselves to their absent godly parent will act differently than one who doesn't care about that. By combining all these elements, you can create unique and believable characters.
Another way is by combining different elements from various mythologies or even from modern concepts. They could merge a Greek monster with an idea from Norse mythology or add a modern - day scientific concept to the monster's nature. This can result in a truly unique monster character. For instance, a monster that has the ability to manipulate technology in a world where the demigods are used to dealing with more traditional threats. This not only makes the monster stand out but also adds a new layer of complexity to the story.