Rock Lee can be a popular character in Naruto ki user fanfiction. His focus on physical strength and hard work can be combined with Ki in interesting ways. For instance, he could discover that Ki enhances his already formidable Taijutsu skills. Hinata is also a favorite. Her gentle nature and Byakugan ability can be linked to Ki in some fanfictions, perhaps she discovers a way to use Ki to enhance her Byakugan's range or power.
Naruto is obviously a very popular character in these fanfictions as the series is named after him. He is often the central figure in stories that involve Ki. Another popular character is Sasuke. His natural talent and brooding nature make him a great candidate to either be an ally or a rival in stories that incorporate Ki. Kakashi is also popular, as his wisdom and experience can be used to guide characters in understanding and using Ki.
Sasuke is also a likely popular character in such fanfiction. His natural talent and thirst for power make it interesting to see how he would interact with the jinton. Maybe he would seek to steal the knowledge of the jinton from someone or be in a rivalry with another character who uses it.
In Naruto bug user fanfiction, Shino Aburame is often a popular character. Since his clan already has a strong connection with bugs, fanfiction writers like to explore his character further. They might give him new bug - related abilities or put him in unique situations where his bug skills are put to the test in different ways.
Sasuke could be a popular character in such fanfictions. His natural combat skills and his drive for power would make him an interesting character to be paired with a gun. He could use his Sharingan to enhance his aiming and reaction time when using a gun.
Naruto himself is often a popular character in such fanfiction. Writers like to explore how he would interact with the concept of a force user, perhaps learning from them or even becoming one himself in some alternate storylines.
Often, Naruto himself can be a popular character in these fanfics, especially when interacting with the spear user. The spear user character, whether an original creation or a less - known character from the Naruto universe given more spotlight, is also popular. Additionally, Sasuke might be involved as he is a strong and complex character. His rivalry or friendship with the spear user can add interesting dynamics to the story.
One interesting Naruto ki user fanfiction could be about a new character with a unique Ki ability who teams up with Naruto. They might go on a journey to discover the origin of this Ki power and how it relates to the Ninja world's chakra. This could lead to new adventures and battles, as they face off against enemies who are also intrigued by this new power.
Naruto himself is often very popular. Since he's the main character in the original Naruto series, it's natural that fans like to see him with stand abilities. Sasuke is also a favorite. His cool and brooding nature combined with stand powers can make for some exciting storylines.
There might be a mentor - like figure who helps the main character in their ki - mastering journey. This character could be someone with deep knowledge of both Naruto's world and the concept of ki, perhaps an old hermit or a powerful but reclusive ninja.
One popular character is Alex, an OC in a fanfiction where he uses a unique force to fight crime in Gotham. He has a tragic backstory which makes him relatable and his force powers are a blend of telekinesis and energy manipulation. Another is Lily, whose force - based abilities allow her to communicate with animals in the DC universe. She often teams up with Batman to solve cases that involve animal - related mysteries.
It's hard to say for sure without reading it, but likely Naruto would still be one of the main characters. And then there would probably be the bug user characters who play significant roles.