It could be about an old man in the Naruto universe who lives in the mountain and has some sort of special power or knowledge. Maybe Naruto stumbles upon him during a mission and the old man imparts some wisdom or a new jutsu to him.
I'm not sure of a specific 'Naruto Old Man of the Montain' fanfiction off the top of my head. But you can try searching on fanfiction - related websites like FanFiction.net or Archive of Our Own. They usually have a wide variety of Naruto - themed fanfictions that might include what you're looking for.
Yes, there might be such fanfictions. Many fanfic writers like to explore different timelines and scenarios for their favorite characters. In a 'naruto is an old man' fanfic, Naruto could be having adventures that are different from his youth, perhaps mentoring the new generation with his years of wisdom.
I'm not entirely sure specifically as 'lemon' in fanfiction often implies some sort of romantic or slightly risqué content which may vary greatly. It could potentially be about an older male character in Naruto in some sort of unusual or unique relationship scenario, but without reading it, it's hard to say for sure.
Well, in many 'godlike old man Naruto fanfictions', the character of Naruto has usually overcome great challenges to reach this state. His god - like status could be the result of a long - term evolution of his abilities, or it could be due to some extraordinary event. These fanfictions often play with different concepts of power, wisdom, and legacy in the Naruto universe.
He could also interact with the new generation of ninjas in his own village who might see him as a relic of the past at first. But as they get to know him, they learn valuable lessons from his experiences. He could train them in unique ways that combine his old - school ninja techniques with the new knowledge and abilities that the new generation has developed.
One possible theme could be legacy. Naruto, as an old man, might be thinking about the legacy he's leaving behind. Another theme could be change. The ninja world has changed over the years, and Naruto has to adapt to it. Also, friendship could still be a theme. His old friends are still important, and they might support each other in their old age.
Well, obviously Naruto and Logan are the main characters. Naruto brings his ninja skills and positive attitude, while Logan has his mutant abilities and a lot of life experience.
One common theme is the passing of the torch. Since the old man Naruto is godlike, he has a lot to teach the younger generation. Another theme is redemption. Maybe Naruto has made some mistakes in his life and in his old age, he tries to make up for them with his newfound power.