In a crossover with 'One Piece', Luffy would be an interesting addition. His carefree yet determined nature could inspire the kids from The Promised Neverland. He could also use his rubber powers to help them in their escape or fight against the demons. Another great character would be Light Yagami from 'Death Note' if we consider a different kind of crossover. His intelligence and strategic thinking could be a huge asset to the kids, though his morally ambiguous actions would also add an interesting dynamic.
For a crossover with 'Fairy Tail', Natsu would be a great character to include. His fire - based magic and his never - give - up attitude could be a big boost to the kids. He could burn down any obstacles in their way. And in a crossover with 'Code Geass', Lelouch could bring his strategic genius and his Geass power. The kids could learn from his ability to manipulate situations to their advantage in their fight against the demons and the system that imprisons them.
One interesting 'the promised neverland crossover fanfiction' could be a crossover with 'Attack on Titan'. It might explore how the kids from 'the promised neverland' would handle the Titans and the post - apocalyptic world of 'Attack on Titan'. They could use their intelligence and survival skills in a whole new and extremely dangerous environment.
One idea could be a crossover with 'Attack on Titan'. The children from The Promised Neverland could find themselves in the world of Titans. They'd use their intelligence and survival skills to figure out how to deal with the Titans, perhaps even finding a way to communicate with the abnormal Titans. Another plot could be a crossover with 'Fullmetal Alchemist'. The alchemical knowledge in that world might offer new solutions to the problems in The Promised Neverland, like finding a way to create a safe haven using alchemy.
Emma and Naruto would be an interesting combination. Emma's leadership and determination combined with Naruto's power and optimism could lead to some great adventures. They could both inspire those around them and work towards a common goal, whether it's saving the kids in 'The Promised Neverland' or protecting the village in 'Naruto'.
You could write a fanfiction where the children, after escaping, decide to go back to the orphanage to rescue the younger kids who are still there. This would involve them facing new challenges and enemies. They might also have to deal with their own traumas from the first escape while trying to save the others.
The theme of family or found family also persists. In a crossover with 'Fairy Tail', the guild in 'Fairy Tail' is like a big family. The kids from 'the promised neverland' could be integrated into this family - like environment. They would experience the warmth and support of a proper family while still having to deal with the threats from their original world or new threats in the 'Fairy Tail' world. This theme of family gives an emotional depth to the crossovers.
Emma is definitely a popular choice. Her courage and leadership make her a great centerpiece for many fanfictions. Ray is also often featured as his intelligence and strategic thinking add a lot to the story. Norman too, especially in fanfictions that explore alternate scenarios where he survived or had different abilities.
One idea could be exploring what would happen if the kids found a secret passage in the orphanage that led to a different world, one not controlled by demons. Another could be a story where Emma and Ray make an alliance with a friendly demon who helps them rescue all the children at once. Maybe a fanfiction where they discover a way to reverse the demon's need for human flesh through some ancient magic.
Well, if it's a crossover with Pokémon, Ash Ketchum would be a great addition. He could travel with the Smile Precure girls and help them catch some Pokémon to use in their battles against the dark forces. His knowledge of Pokémon and their abilities could complement the Precure's powers.
Jake himself is of course very interesting. His leadership and bravery are key elements. Captain Hook is also a great character to include. His schemes and his rivalry with Jake make for great drama. The mermaids, like Marina, can add a touch of magic and mystery. And don't forget Izzy. Her smarts and her ability to fly with her pixie dust can really spice up the story.
Emma is a very kind - hearted and brave girl. Norman is highly intelligent and strategic in their escape plans. Ray is also intelligent and often more cynical. These three characters play crucial roles in the 'the promised neverland graphic novel'. They are the ones who first discover the truth about the orphanage and then drive the story forward with their determination to escape and save all the children.