There could be a prophecy that foretells of Naruto inheriting the Second Hokage's abilities. As Naruto continues his journey and grows in power, he starts to experience strange visions and dreams related to the Second Hokage. These are actually the start of the ability transfer. Slowly, he begins to understand and use the Second Hokage's signature jutsu. The process is not easy, as he has to overcome his own limitations and also face some opposition from those who fear the power he is about to inherit.
Perhaps the Second Hokage's spirit, seeing Naruto's potential and pure heart, decides to bestow some of his abilities on Naruto. This could happen during a near - death experience for Naruto, where the spirit appears and gives him a portion of his power. Or there could be a hidden training ground that the Second Hokage created. Naruto discovers it and by going through the trials there, he gradually inherits the Second Hokage's abilities, like his water - based jutsu proficiency.
He might inherit Naruto's shadow clone jutsu. This would be really useful for Markov. He could use the clones to gather information, fight multiple enemies at once, or even learn new skills faster by having the clones practice simultaneously. Also, Naruto's enhanced physical strength and speed, which come from his chakra, could be passed on to Markov, making him a formidable fighter in the fanfiction.
Perhaps Naruto has developed a special chakra - based concealment technique. This technique would not only hide his physical identity but also any chakra signatures or auras associated with the Hokage position. He might use it when he is out and about in the village, so that even the most perceptive ninja wouldn't suspect that he is the Hokage.
Iruka could be an interesting character to include. He has always been important in Naruto's life and could provide a different perspective on the Second Hokage's story. Hinata could also be part of it. Her gentle nature could contrast with the more battle - oriented characters. And Rock Lee, with his dedication to hard work and the ninja way, could be inspired by the Second Hokage's own determination and contribute to the story in his own unique way.
One plot idea could be Naruto discovers a long - lost jutsu created by the Second Hokage. He then has to master it to defeat a new, powerful enemy threatening the village. Another could be that Naruto travels back in time and meets the Second Hokage, learning valuable lessons about leadership and sacrifice from him. Maybe the Second Hokage's spirit appears to Naruto in a time of crisis and imparts some secret knowledge only he knew.
In this fanfiction, Hokage Naruto might take Naruto to a special training ground. There, he could teach Naruto some of his own unique jutsu combinations. For example, he could show Naruto how to combine the Rasengan with his Sage Mode more effectively. This would give Naruto a huge power boost and also make him more confident in battles against tougher opponents.
Sasuke could be an alternative. He has strong ninja skills and a deep understanding of the ninja world. His experiences have made him grow into a very capable person, and his Sharingan gives him an edge in combat and strategic planning.
Well, it could be that Naruto meets the Hokage in a different time - space. They might work together to change some important events in the history of the village. For example, preventing a great disaster or changing the fate of some important characters. And Naruto could learn a great deal from the Hokage's wisdom and leadership in this encounter.
There could be a focus on Naruto learning new forms of the Rasengan. Hokage Naruto, with his vast experience, could teach Naruto different ways to infuse the Rasengan with other elements more easily. Maybe Naruto would learn how to quickly switch between a Fire - Rasengan and a Wind - Rasengan during combat.
If Naruto were a Keyblade wielder, his physical strength and chakra control could enhance his Keyblade combat. His Shadow Clone Jutsu could be used in creative ways, like sending clones to distract enemies while he attacks with the Keyblade. Also, his determination, which is a big part of his character, would make him a formidable Keyblade wielder, never giving up in battles against the Heartless or other foes.
Well, if Naruto had 3 eyes in fanfiction, his visual perception would be greatly enhanced. He could potentially have a wider field of vision, like being able to see in more directions simultaneously. This might give him an edge in battle, as he could detect enemies coming from unexpected angles more easily.