In this fanfiction, the social implications of having a cannibal bloodline could be a major part of the story. How do other characters in the Naruto world react to someone with such a bloodline? Are they shunned? Or are there some who try to use the character for their own dark purposes? The character might have to constantly prove that they are not a threat, or they could be forced to embrace their darker side due to the treatment they receive.
A plot could revolve around a Naruto - like character with the Adamantium bloodline who embarks on a journey to find others with similar bloodlines across different hidden villages. Along the way, they learn about the origin of the Adamantium bloodline, which is tied to an ancient and powerful clan. This discovery leads to a conflict as other villages see this as a threat and try to stop the character from uniting these bloodline - bearers.
One interesting plot could be a character with the flame bloodline being exiled from their village due to fear of their power. They then have to journey to prove their worth and that they can use their power for good. For example, they might encounter other outcasts and form a unique group.
One idea could be a character having a bloodline that combines Naruto's Uzumaki chakra with Sao's game - like abilities. For example, they could have the Uzumaki's massive chakra reserves which they use to power up unique Sao - style skills in combat, like super - fast sword strikes enhanced with chakra. Another plot idea is a story where the bloodline causes a rift between different factions. Some see it as a threat while others as a new hope for their world. This could lead to all kinds of political intrigue and battles.
One idea could be a character with the wolf bloodline having enhanced senses that help them in tracking down powerful enemies in the Naruto world. They could use their wolf - like speed and agility to outmaneuver opponents in battles.
Maybe Kakuzu's bloodline has a hidden sealing technique. In the fanfiction, Naruto is trying to learn more about sealing, and Kakuzu, seeing potential in Naruto, decides to teach him this special bloodline - based sealing technique. However, the Akatsuki finds out and tries to stop them, thinking Naruto will use it against them. This leads to a series of battles and a race against time for Naruto to master the technique.
One interesting plot idea could be a story where a new character discovers they have a hidden Kaguya bloodline ability that has been dormant for generations. They struggle to control it at first, causing chaos in their village. Another could be a time - travel fanfic where a character goes back to the era of Kaguya and tries to change the course of history regarding the bloodline. Maybe they want to prevent the spread of the more dangerous aspects of the bloodline.
One idea could be a story where a young ninja discovers they have a hidden Otsutsuki bloodline power that gives them the ability to control gravity. This power sets them apart from their peers and makes them a target for both those who want to use their power and those who fear it.
One idea could be a story where a young ninja discovers they have the Kitsune bloodline and has to hide it from their village at first because of the superstitions surrounding it. They then gradually learn to control their powers with the help of an old hermit who has knowledge of the Kitsune's secrets.
In Naruto Kaiju Bloodline fanfiction, an interesting plot could be that the main character with the Kaiju bloodline is ostracized by the village at first. But as time goes on, they prove their worth when a massive, Kaiju - like enemy attacks. Their ability to understand the nature of the Kaiju allows them to find its weakness and defeat it. Additionally, there could be a sub - plot about the main character trying to find others with the same bloodline to form a sort of 'Kaiju Clan' within the village for mutual support and to share their knowledge of their unique powers.
One idea could be a story where a new character with the Hyoton bloodline arrives in Konoha. This character has to prove themselves to the villagers who are initially suspicious because of the power of the bloodline. Another plot could involve a character with the Hyoton bloodline being hunted by an evil organization that wants to use their power for bad. Or perhaps a story about a Hyoton bloodline user trying to master their abilities and accidentally discovers a new, powerful form of their ice - based jutsu.