One idea could be a fanfic where a young ninja discovers a unique way to combine lightning jutsu with other elements like water, creating a new and powerful technique. This could lead to him being sought after by different clans for his knowledge.
A good 'lightning naruto fanfic' often has unique interpretations of Naruto's powers related to lightning. For example, it might give him new jutsu that are different from the canon ones.
In some fanfics, Naruto might learn to use Black Lightning through special training with a master who has knowledge of this unique ability. Maybe he discovers an ancient scroll or meets a hidden shinobi who teaches him the secrets behind it.
Naruto himself is often a popular character in such fanfics. Since he has a natural affinity for different types of chakra, it's interesting to see how he would adapt to the lightning sage powers. Another could be Sasuke. His sharingan and his quest for power could be combined with the lightning sage abilities in an exciting way.
Another element is the battles. Since it's a powerful technique, it's often used in fights. So, the fanfic will describe in detail how Naruto uses the lightning rasengan against his enemies, like how it cuts through defenses or surprises opponents. It also might include how he combines it with other jutsus for maximum effect. For instance, using it with his flying raijin jutsu to quickly close the distance and then strike with the lightning rasengan.
Friendship is also a big theme. Naruto is known for his ability to make friends, and in these fanfics, his relationships with characters related to lightning often involve forming strong bonds. For example, he might befriend a lightning - style ninja and they support each other through various challenges.
In 'naruto lightning blade fanfic', a significant theme is the exploration of the limits of the technique. Writers often focus on how far the lightning blade can be pushed in terms of power, speed, and versatility. Another important theme is the connection between the wielder and the blade. It could be a spiritual connection or one based on sheer determination. And of course, the theme of heroism is present, as those who wield the lightning blade are often seen as heroes or anti - heroes in their own right, fighting for what they believe in within the Naruto world.
Well, it could be a fan - made story that combines elements of Naruto and the concept of a lightning dragon slayer. Maybe it features Naruto with new powers related to slaying lightning dragons, or perhaps it's set in a world where Naruto has to face such dragon - like creatures that are made of lightning. It might also include new characters that are part of this dragon - slaying narrative.
First, do research on all the existing lightning jutsu in Naruto. This will give you a solid base for your fanfic. Then, create unique characters with their own relationships to lightning jutsu. For example, a character who fears lightning but has to learn lightning jutsu to protect their loved ones.