A fanfic could focus on a character who is not naturally good at lightning jutsu but through intense training and determination, they manage to master it in a very unorthodox way. For example, they use their love for music to time their jutsu releases in rhythm, which gives their lightning jutsu a distinct and unpredictable nature.
Another idea is a fanfic set in a future Naruto world where the use of lightning jutsu has been restricted due to some accident. A group of rebels then tries to bring back the knowledge and practice of lightning jutsu, facing many challenges and enemies along the way.
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.
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.
A third idea for a Naruto poison jutsu fanfic could be a story set in a different era of the Naruto universe. In this time, poison jutsu is a highly respected and feared art. A young ninja, inspired by tales of Naruto, tries to master poison jutsu. However, they face many challenges, including a corrupt master who wants to use the ninja's skills for evil. The young ninja must then decide whether to follow the master or break away and use their skills for the greater good.
In fanfiction, the Lightning Dragon Jutsu can be extremely powerful. It can be depicted as a massive dragon made of pure lightning that can obliterate anything in its path. Another powerful one could be the Lightning God's Wrath, a jutsu that summons a bolt of lightning from the heavens with the power to level mountains.
He could develop a 'Lightning Clone Jutsu'. Instead of regular clones, these would be made of lightning. They could move at high speeds and deliver electric shocks on contact. Another jutsu could be 'Lightning Shield', where he surrounds himself with a layer of lightning for both offense and defense.
You could also write a fanfic that delves into the origin of the Oiroke no Jutsu. Maybe it was a technique passed down in the Uzumaki clan, and Naruto discovers some hidden aspects of it. This could involve exploring old scrolls or having a conversation with an elder who knew about its true nature.
One great fanfiction could be 'Naruto's Lightning Ascent'. In this story, Naruto starts his journey to learn the Lightning Jutsu under Kakashi. Kakashi uses unique training methods that involve Naruto facing his fears in a lightning - filled dimension. It's a really interesting take on how Naruto could master this powerful jutsu.
A 'Solar - Flare Rasengan'. Naruto could combine his wind - style chakra with some kind of solar - based energy he discovers. This jutsu would be like a super - charged Rasengan that emits a blinding light as well as powerful wind - based damage.
One idea could be a story where Naruto uses the Saimin Jutsu in a creative way during a crucial battle. Maybe he uses it to make the enemy see illusions of their worst fears, causing them to be paralyzed with fear and unable to fight back effectively.
One idea could be a fanfic where Naruto discovers a new and powerful summon that no one has ever seen before. This summon could have unique abilities that help Naruto in a crucial battle against a powerful enemy.
Another idea for a Naruto Lightning Jutsu fanfiction is to explore the training aspect. How does a character learn to master lightning jutsu? It could be through rigorous training under a strict sensei. They might have to endure electric shocks while trying to control the chakra flow for lightning jutsu. This can add depth to your characters and show their growth over time.