What are some interesting plotlines in Naruto Black Blade fanfiction?

Perhaps in the 'black blade naruto fanfic', the black blade has a connection to an ancient and forgotten clan. Naruto, being the main character, then delves into the history of this clan, uncovers secrets, and uses the knowledge and power associated with the blade to protect the Hidden Leaf Village from a looming threat that only he with the black blade can face.

One possible plotline could be how the characters in Naruto deal with the sudden outbreak of a Black Death - like disease. Maybe Naruto himself tries to find a cure using his shadow clones to search far and wide.

One interesting plotline could be the main character's journey to discover their true heritage within the world of 'the black heir fanfiction'. They might face challenges and make new alliances along the way.

A possible plotline is Naruto using his unorthodox methods to solve ANBU - related problems. His creativity and ability to think outside the box could lead to new strategies for the ANBU. He might come up with a new way to gather intelligence or take on a powerful enemy that the traditional ANBU methods couldn't handle.

One interesting plotline could be Naruto using his unique experiences as a former student to develop new and unorthodox teaching methods. For example, he might incorporate his own journey of learning difficult jutsus into his lessons, making it more relatable for his students.

One interesting plotline could be Kaguya's return and her attempt to make amends for her past actions. Naruto, being the protagonist, could be the one to help her in this journey of redemption. This would show a different side of both characters and how they grow together in this new situation.

Another plotline could be Tsunade's role in rebuilding the village after a major battle. It could show her leadership skills, her decision - making process, and how she works with other characters to bring the village back to its former glory. This would involve aspects like rebuilding infrastructure, training new ninjas, and restoring the village's economy.

Perhaps Naruto discovers a new medical jutsu that combines his chakra control with traditional medical knowledge. This could revolutionize the medical field in the Naruto universe. He might use it to heal previously incurable diseases or injuries, and in the process, gain the respect of the medical community. This could also lead to some interesting interactions with other medical ninja, like Shizune or Tsunade.

One interesting plotline could be Naruto dealing with the complex political landscape of the Hidden Leaf as an adult. He might have to make tough decisions regarding alliances and the future of the village.

One possible plotline could be that Naruto, as a billionaire, uses his wealth to improve the lives of the villagers in Konoha. He might fund new training facilities, better housing, and advanced medical care for the shinobi and their families.