If we consider Naruto as a crime lord in fanfiction, it could be a result of a time - travel or alternate universe scenario. Imagine Naruto seeing the future of the ninja world in ruins because of the actions of the so - called 'good' ninja villages. Disillusioned, he travels back in time and decides to take matters into his own hands, by creating a criminal organization that he believes will prevent the disasters he witnessed. This would completely change the dynamics of the Naruto universe we know, with Naruto being a complex anti - hero rather than the traditional hero.
The plot could start with Naruto being betrayed by the Hidden Leaf Village. This betrayal could push him to the edge and he decides to use his skills against the village. He starts building his own criminal empire, recruiting those who feel wronged by the village system. He could be involved in illegal trading of ninja tools and forbidden jutsus.
Draco Malfoy could be a likely candidate. He already has a sense of superiority and family influence. In fanfiction, he could use his family's wealth and connections in the dark wizarding world to start building a criminal empire. Maybe he gets tired of being in the shadow of Harry Potter and decides to take a more devious path.
Power struggle is a common theme. Naruto as a crime lord would constantly face challenges from other criminal groups or even the ninja villages. Another theme could be redemption. Even as a crime lord, he might still have some good in him and strive to atone for his actions. And secrecy, since he has to hide his true identity and motives from his former friends and allies.
Well, I haven't come across a particular 'Naruto is a crime lord' fanfiction myself. However, if such a fanfiction exists, it would be a really interesting twist on the original Naruto story. It would completely change the perception of Naruto, who is usually seen as a hero. Maybe in this fanfiction, Naruto turns to a life of crime due to some really dark and complex reasons in the story's alternate universe.
In such a fanfiction, it could be due to a misunderstanding. Maybe Naruto was forced into a situation where he had to act against the Yugioh world for the sake of his own village. For example, if there was a threat to Konoha that was somehow related to the Yugioh realm and he was given no other choice but to 'betray' them.
Well, it could start with Naruto coming across a strange Pokemon in his world. Maybe a Pikachu somehow gets transported to the Hidden Leaf Village. Naruto, being curious as always, is immediately intrigued by this cute yet powerful little creature. He starts to learn about Pokemon from the knowledge that comes with Pikachu, and gradually becomes a huge fan.
Well, one way could be through some kind of strange jutsu gone wrong. Maybe Naruto was experimenting with a new type of chakra manipulation and it accidentally combined with some sort of mutagenic energy, similar to what created the Hulk. And then, poof! He starts turning into the Hulk whenever he gets angry. Another possibility is that he encounters a villain who has the power to transform others and decides to use Naruto as his guinea pig to create a super - strong and uncontrollable Naruto - Hulk hybrid.
In some fanfictions, it could be due to a dark turn of events. Maybe Sasuke, still consumed by his thirst for power and vengeance, sees Naruto as an obstacle in his new, twisted path. Sakura, perhaps being manipulated by Sasuke, joins in. And Kakashi, unable to stop his students' descent into darkness, fails to protect Naruto.
Another possibility is that Naruto could defeat Kakashi if the latter was in a weakened state. Maybe Kakashi had just come out of a tough battle with other powerful enemies and was low on chakra. Meanwhile, Naruto was at his peak, full of energy and ready to fight. In this situation, Naruto's sheer determination and his own strong abilities could lead to his victory.
In a fanfiction scenario where Naruto is saved by a Jedi, it could be due to some sort of interdimensional rift. Maybe the Jedi sensed Naruto's distress from their own galaxy and used their Force - powered abilities to travel to the Naruto universe. Once there, they might use their lightsaber skills and Force powers to fend off Naruto's enemies.