What are some interesting plot ideas for a 'Naruto Soul King' fanfiction?

One plot idea could be Patty somehow getting transported to the Naruto world and using her Soul Eater abilities to fight alongside the ninjas. For example, her weapon skills could be a great asset in battles against the Akatsuki.

One idea could be a crossover where the Juubi's power somehow gets transferred to a character in Soul Eater and they have to learn to control it. Another could be Naruto getting lost in the Soul Eater world and having to adapt to their way of fighting and dealing with souls.

One idea could be that Naruto characters are transported to the Soul Eater world. Naruto's determination could be a great asset in the battle against Kishin Eggs. He might use his shadow clones to surround and overpower the enemies. Another plot could involve the weapons from Soul Eater trying to learn Naruto's ninjutsu. For example, Soul could be interested in the Rasengan and try to incorporate it into his fighting style. Also, Maka's strong sense of justice would blend well with the Naruto characters' values, and they could team up to take on powerful foes together.

One idea could be a crossover where Naruto characters gain the abilities of King of Fighters fighters. For example, Naruto could learn Kyo Kusanagi's fire-based moves and use them in his battles. Another plot could involve a tournament in the Naruto universe where the rules are based on King of Fighters. Characters from both universes would compete, leading to some epic battles and unexpected alliances. A third idea might be that Orochimaru is interested in the power of the Orochi from King of Fighters and tries to bring it into the Naruto world, causing chaos.

Perhaps Naruto, as the King of Monsters, has to deal with the prejudice from his own people who fear the monsters he commands. This could lead to a journey of self - discovery and proving that the monsters can be a force for good. He could start by using the monsters' unique abilities to help with village construction or resource gathering, slowly changing people's minds.

A cool plot could be that the entire village is under a dark spell, and only Hinata realizes that the demon king Naruto is the key to breaking it. So she embarks on a journey with him, facing various obstacles and enemies along the way, and during this journey, their relationship deepens.

A plot could involve a shamanic tournament in the Naruto world, similar to the one in Shaman King. Naruto, Sasuke, and other ninja characters participate, and Anna is brought in as a special guest or judge. Along the way, Naruto discovers new powers within himself that are related to shamanic energy, and he has to learn how to control them with Anna's help.

One idea could be that Naruto has Arthur's leadership skills and uses them to unite the ninja clans in a new way. He might also inherit Arthur's sense of justice and chivalry, which would make him approach battles and conflicts differently.

One possible plot could be that Naruto is somehow transported to the world where the Soul King exists. He discovers his new role as the Soul King and has to learn the rules and powers associated with it. He might use his ninja training to face the threats that come to the Soul King's realm.

Another plot could be that the reader is an outsider to the world of Soul Eater, perhaps from a different dimension. Soul accidentally discovers the reader and at first is suspicious. But as he gets to know the reader, he realizes that they are kind - hearted. They then have to deal with the challenges of the reader adapting to the Soul Eater world while also falling for each other.