In a Ben 10 and Naruto fanfic, there would be some epic battles. Ben's alien forms like Four Arms could have a great brawl with some of the strong Naruto characters like Rock Lee. Four Arms' brute strength against Rock Lee's amazing taijutsu skills would be a sight to see.
Well, they could go on adventures where their new - found feelings add an extra layer of tension. For instance, when they're in a dangerous situation, Ben might be more protective of Gwen because of his love for her.
In the 'Ben 10 is kidnapped' fanfic, his friends like Gwen and Grandpa Max would surely try to rescue him. They might use their own powers and knowledge to track down the kidnappers. Gwen could use her magic to find clues, and Grandpa Max has a lot of experience dealing with dangerous situations. So they would form a rescue team and start their mission.
In this fanfic, Ben and Gwen might have various adventures at the resort. They could discover a hidden part of the resort with some strange creatures. Ben might use his alien forms to deal with any problems that arise, like if there's a malfunctioning pool cleaner that turns into a mini - monster. Gwen could use her magic to help keep things in check and maybe they make new friends among the other guests or staff at the resort.
The 'A Day at the Spa' Ben 10 fanfic could focus on the relationships between the characters during a day at the spa. Ben might have a heart - to - heart conversation with Gwen while they're getting facials. Or Kevin could be trying to show off his strength in the sauna, much to the amusement of everyone else. It could also be a story about the spa being a front for some sort of villain's lair, and Ben and his friends have to figure out what's going on while still trying to enjoy their spa day.
In a Ben 10 and Naruto fanfic, their powers would be a great combination. Ben has the ability to transform into various alien forms, each with unique powers. Naruto has his chakra and his powerful jutsu. They could learn from each other. For example, Ben could teach Naruto about some of the alien technologies, while Naruto could teach Ben about chakra control and the ninja way.
Well, if Ben was kidnapped in fanfiction, his friends would probably start a huge rescue mission. Gwen would use her magic and Kevin his powers to track him down. They'd face all sorts of challenges along the way, like bad guys trying to stop them or traps set by the kidnappers.
Perhaps the 'lemon' is a key to unlocking different time portals. Ben and Gwen might discover this lemon - shaped key in an old attic or a mysterious cave. Every time they use it on a specific time - travel device, it takes them to a new and exciting era. They could end up in ancient Egypt and have to solve the mystery of a lemon - related curse that is affecting the pharaoh's tomb.
In the 'Ben and Mal's daughter stuck in the past fanfic', it's possible that she becomes a key figure in an important event in the past. She could use her knowledge from the future to help or hinder certain events. Maybe she gets involved in a battle that was crucial for the establishment of Auradon. Her presence could change the outcome in unexpected ways. She might also form new relationships with characters in the past that could have an impact on her family's future relationships.
If Naruto was the Juubi in the fanfic, there would be a lot of changes. First, his physical abilities would be off the charts. He could probably move at incredible speeds and have superhuman strength. His chakra reserves would be massive, which means he could perform powerful jutsu without getting tired easily. Also, the other characters in the story would probably be in awe or fear of him. His friends might try to help him control this new power, while his enemies would be even more determined to defeat him. It could also change the political situation in the ninja world, as having such a powerful being among them would disrupt the balance of power.
In the fanfic, Naruto might be in the hospital because of some strange illness that no one has seen before. The doctors in the hospital are trying all kinds of methods to cure him, and he might be feeling really frustrated lying in the bed all day. He could be thinking about all the things he wants to do once he gets better, like going on new missions or training harder.