Yes, in fanfiction, Naruto can often be depicted as having the ability to copy bloodline limits. Fanfiction writers like to explore different scenarios and expand on the characters' capabilities, and Naruto's ability to copy jutsu makes it somewhat plausible in this fictional realm.
One implication is that it makes Naruto extremely powerful. He can gain access to unique abilities that were previously exclusive to certain clans. For example, if he copies the Uchiha's Sharingan powers, he could gain enhanced perception and the ability to use powerful genjutsu.
In some fanfictions, one of the bloodline limits could be something like a super-enhanced Sharingan-like ability. Another might be a power related to controlling natural elements in a unique way, for example, a more powerful form of water control. And perhaps a bloodline limit that gives Naruto the ability to instantly teleport short distances. However, different fanfictions can have very different interpretations of these six bloodline limits.
To create unique Naruto bloodline limits in fanfiction, you can start by mixing different elements. For example, combine the natural elements like fire and water in a new way that is specific to a bloodline. Another way is to think about unusual abilities related to senses. Maybe a bloodline limit that allows a character to sense emotions as a form of chakra.
One interesting concept could be the discovery of new and rare bloodline limits. For example, a fanfiction might introduce a bloodline limit that allows the user to manipulate time on a small scale, like slowing down an opponent's movements for a brief moment. Another concept could be the combination of existing bloodline limits. Picture a character with both the Sharingan and the Byakugan, creating a whole new set of abilities.
They can expand the limits by combining different bloodline traits. Let's say a fanfic combines the Nara's shadow manipulation with the Inuzuka's connection to animals. A character could use their shadow to control the movements of animals, which is a completely new and exciting ability. This not only breaks the existing limits but also creates unique storylines and character developments.
The bloodline limits can make Naruto even more powerful. He may become more confident as he realizes the extent of his new abilities. For example, if one of the limits gives him enhanced speed, he might be more daring in battles.
Sasuke is often a popular character in such fanfictions. His natural abilities and his connection to the Sharingan make him a prime candidate for exploring the concept of copied bloodlines. Writers might have him encounter situations where he has to deal with someone who has copied his bloodline or vice versa.
Kakashi is another character that might be popular. His Sharingan and his reputation as a skilled ninja make him a great addition to stories about bloodline copying. He could be a mentor figure to someone who is just starting to explore the world of bloodline copying, or he could be involved in a plot where his own Sharingan abilities are somehow enhanced or changed through the concept of bloodline copying.
The idea of characters using copied bloodlines to break the traditional power hierarchies in the Naruto universe is also quite engaging. They could use these abilities to challenge the established clans and their dominance, opening up a whole new set of power dynamics and political intrigue within the fanfiction.