In some fanfiction, there's a secret jutsu that enables Naruto to enter a different dimension where he can train and gain power at an accelerated rate. This jutsu is often used as a plot device to make Naruto much stronger than he is in the original series in a relatively short time.
Sure. There's a jutsu where Naruto can transform into a giant elemental beast made of all his chakra natures combined. This is a very powerful and unique jutsu that gives him an edge in battles against tough foes. It's not in the original series but makes for an exciting fanfiction concept.
In fanfiction, the reanimation jutsu might have extended or modified limitations. For instance, in the original, there were clear rules about the caster's control over the reanimated. But in fanfiction, a writer could create a scenario where the reanimated can break free of that control more easily. Also, the source of the sacrifice for the jutsu could be different. In the series, it was usually human sacrifices, but fanfiction might explore using other forms of energy or substances.
One interesting Naruto secret jutsu in fanfiction could be a time - traveling jutsu. It allows Naruto to go back in time and change certain events in the ninja world. This can lead to all kinds of new storylines and character developments.
A jutsu that allows the user to transform their chakra into a liquid form that can seep into the ground and then resurface anywhere within a certain radius as a surprise attack. Another could be a jutsu that uses sound waves to disrupt an opponent's chakra flow, like a high - pitched noise that throws off their concentration and ability to perform jutsus.
Maybe Sasuke. Although they are rivals, they also have a deep bond. Sasuke might have come across a unique jutsu during his travels and decide to teach it to Naruto so that they can both become stronger and better protect their village.
In the original series, Naruto mainly copied jutsu through observing and then mimicking the hand signs. In fanfiction, he might copy jutsu just by thinking about it or having a special power - up that allows him to copy jutsu without even seeing the full sequence of hand signs.
It could be a new form of Rasengan. Maybe Naruto discovers a way to combine different elements with the Rasengan more effectively, like adding lightning to it for a more powerful and faster attack.
To create jutsu in Naruto fanfiction, you can start with a concept based on real - world elements or natural phenomena. For instance, if you want to make a defensive jutsu, you could base it on the idea of a magnetic field that repels attacks. Then, give it a cool name related to the concept. And don't forget to consider how the jutsu is performed, like the hand signs and the amount of chakra required.
Fanfiction often takes the existing lore and expands it. For example, in the original Naruto, we know some basic information about the tailed beasts. But in fanfiction, writers can create entire new backstories for them, like how they came to be sealed in the first place and their interactions with each other before being separated and sealed into different hosts.
There's a fanfiction where the Shadow Clone Jutsu has a mind of its own. In this story, Naruto's clones start to develop their own personalities and desires. They begin to rebel against Naruto and try to take over his life. It's a really unique take on the jutsu as it usually just follows Naruto's commands.
Often, the unique feature is the expansion of the jutsu's capabilities. For example, in some fanfictions, the Shunshin no Jutsu can be combined with other elements like fire or water jutsus.