What could a 'Dumbledore hires Naruto' fanfic be about?

Yes, there might be. The Harry Potter and Naruto universes are both quite popular, and many fans like to create crossover fanfics. You can try searching on major fanfic platforms like FanFiction.net or Archive of Our Own. Just type in relevant keywords like 'Dumbledore Naruto crossover' and see what comes up.

The plot could be centered around Dark Naruto hiring Tsunade for a secret mission. He may need her to revive someone important to him, someone who could be used for his dark purposes. Tsunade would be conflicted as reviving the wrong person could have dire consequences. Meanwhile, as they work together, Tsunade starts to understand the root of Dark Naruto's darkness and tries to heal him from within, leading to a complex web of relationships and power struggles.

Well, it might be that the OC has a personal connection to an ongoing case. Hetty, being the shrewd character she is, hires the OC to use that connection to the team's advantage. Perhaps the OC has a past with a criminal organization that the NCIS LA team is currently investigating, and their inside knowledge could be crucial.

Sasuke could be a likely candidate in a sense. Given his skills as a ninja, his Sharingan which gives him an edge in combat and perception, and his past as a sort of 'rogue' ninja. He could be in a situation where Naruto has to hire him for a special mission that requires his unique abilities. Another possibility is Kakashi. He has a vast array of skills, is very intelligent, and could easily take on the role of an assassin if needed, even if it goes against his normal moral code slightly. He would do it for Naruto's sake.

One possible plot could be that Harry discovers a powerful and ancient magic that Dumbledore has been trying to keep hidden. Harry's newfound knowledge and power make Dumbledore fear that he will disrupt the delicate balance in the wizarding world. So, Dumbledore starts to act nervously around Harry and tries to subtly keep him in check.

There are several possible reasons. Maybe Harry discovers a powerful and dangerous magical artifact and starts toying with it without proper guidance, which Dumbledore sees as a huge risk. Or perhaps Harry spreads rumors or secrets that Dumbledore has entrusted to him, and Dumbledore feels the need to discipline him to protect the safety and stability of Hogwarts. Fanfic authors often use such situations to show the complex relationship between Dumbledore and Harry and how they navigate through difficulties.

Perhaps in the fanfic, there's a new plot device introduced. Maybe a dark magic influence has made Harry believe that Dumbledore is actually working against the greater good. This could be a new evil spell or a manipulative character who has poisoned Harry's mind against Dumbledore.

One possible plot could be that Harry discovers some dark secret about Dumbledore's past actions and decides to oppose him. For example, if he finds out that Dumbledore had some sort of deal with the Dark Arts that he hid from everyone. This would make Harry feel betrayed and drive him to defy Dumbledore.

Well, perhaps Harry discovers some dark secret about Dumbledore that makes him feel he must escape. It could be that Dumbledore is being controlled by some dark magic and Harry realizes he's in danger around him.

In this fanfic, Dumbledore might de - age Harry to give him a second chance at childhood. Harry had a tough childhood, and Dumbledore could think that by de - aging him, he can give Harry a chance to experience a more normal and happy childhood. This would lead to a lot of character development as Harry would have to deal with his past traumas while being in a child's body, and he might also discover new things about his magic along the way.