Perhaps a fanfiction where some of the Naruto characters are actually clones themselves, like in The Clone Wars. Naruto could be a special clone created with a combination of chakra and the Force. His purpose could be to bring peace between the two universes. Hinata could be a healer in this new world, using her gentle nature and Byakugan to sense injuries and use the Force to heal them. This would mix the two universes in a unique way and create a lot of new storylines.
One idea could be a crossover where Thor somehow ends up in the Star Wars universe during the Clone Wars. Maybe he's on a mission from Asgard to find a powerful artifact that has been lost in this strange new galaxy. He could team up with the Jedi, and his god - like powers would be a huge asset in the battles against the Separatists.
A more complex fanfic could involve characters from both universes being transported to a new world. Harry Potter characters could find themselves in the middle of the Clone Wars and have to adapt. Hermione might use her knowledge to help the Jedi understand new ways of combat or magic, while the Jedi could teach her about the Force. And Anakin could be intrigued by the magic of the wizarding world and try to incorporate it into his fighting style.
One idea could be that Naruto is somehow transported to the Star Wars universe during the Clone Wars. He could use his ninja skills, like his shadow clone jutsu, in unique ways on the battlefields. For example, his clones could be used to create diversions while the Jedi try to outmaneuver the Separatist droids.
Another concept could involve characters from Star Wars being brought into the Naruto universe during the time when Dark Naruto exists. For example, a Jedi like Obi - Wan Kenobi could try to understand and potentially redeem Dark Naruto, seeing similarities between the dark side of the Force and Naruto's own inner darkness. This could lead to an interesting dynamic as Obi - Wan tries to use his Jedi teachings to reach Naruto.
One idea could be to have Naruto characters in the Star Wars Rebels universe. For example, Naruto could be a Jedi - like figure with his chakra being similar to the Force. He could use his shadow clone jutsu in battles against the Empire, creating distractions and overwhelming opponents. Sasuke could be a Sith - like character who is initially on the wrong side but later sees the light.
Another fanfiction concept could involve Jedi and Sith being reincarnated on Earth. They'd have to adapt to modern society while still holding onto their powers and the eternal struggle between the light and dark side. For example, a young Jedi might discover their powers in a world full of distractions and temptations, and they'd have to learn how to use them for good.
Well, you could have a fanfiction where the clones from The Clone Wars are sent to the Harry Potter universe. Imagine them having to adapt to a world without blasters and droids, but with wands and magical creatures. They might be enlisted by the Ministry of Magic to fight against a new dark force that is a combination of the Sith's evil and some dark magic that has been awakened. It would be really cool to see how they'd interact with the Hogwarts students and teachers.
Perhaps Sasuke could be like a Sith - like character in this fanfiction. He is drawn to the dark side of the Force due to his own inner turmoil and thirst for power. His Sharingan could have some interesting interactions with the Force - related abilities, like being able to sense the presence of other Force - users more acutely.
One idea could be a story where a Naruto - style ninja becomes a bounty hunter in the Star Wars universe. Maybe they use their chakra - based abilities in combination with Star Wars technology to track down bounties.
One idea could be to have Sekirei characters possess unique Force abilities. For example, a Sekirei might be able to use the Force to enhance their physical combat skills in a way similar to their natural powers in the Sekirei universe. They could be part of a new Jedi order or Sith group in the Star Wars galaxy.