Well, Naruto is surely one of the main characters since it's in the title. He's the one who's supposed to be the master of silent killing in this fanfiction.
There might also be Sasuke. Given their relationship in the original Naruto series, Sasuke could be involved in some way. Maybe he's initially skeptical of Naruto's new skills but later comes to respect them. And Kakashi could also be there. He's Naruto's teacher and might play a role in guiding Naruto in this new area of combat or even be surprised by his growth.
It's possible that new characters are introduced as well. For example, a rival who also specializes in silent killing techniques and challenges Naruto. This would create a great dynamic as Naruto has to prove his superiority in this area. Or perhaps a character who has a connection to the origin of the silent killing techniques that Naruto is learning.
Often, Naruto himself can be involved. He might learn the art of silent killing to add a new dimension to his combat skills. Sasuke is also a likely candidate as his stealthy and powerful nature would fit well with silent killing techniques.
Well, Naruto is surely one of the main characters as the title implies his mastery of killing intent. There might also be Sasuke, as he is Naruto's long - time rival and friend. Sakura could be there too, as she is part of Naruto's main group. And perhaps some of the older characters like Kakashi or Jiraiya might make an appearance to guide Naruto in his journey related to the killing intent.
It could be characters who are also masters of killing intent and oppose Naruto for various reasons, perhaps power struggles or ideological differences.
In this fanfiction, it could be that Naruto's silent killing skills are a result of training with a mysterious mentor. This mentor could have a hidden agenda, and as Naruto progresses in his skills, he discovers the true intentions behind the training, which adds a layer of mystery and intrigue to the plot.
The Silent Killing Technique in Naruto fanfiction often serves as a plot device. It can be used to create tense and unexpected moments. A character might suddenly use it to take out an enemy without warning, adding an element of surprise. This can change the course of a battle or even an entire story arc.
Typically, in 'Naruto Silent Killing' yaoi fanfiction, there will be a focus on male - male relationships within the Naruto universe. The 'Silent Killing' aspect might be incorporated into the plot in various ways, perhaps as a unique fighting style or a mystery element related to a character. It may also explore the emotional and psychological aspects of the characters in these relationships more deeply than in the original series.
Often, it's depicted as a very stealthy move. Writers might show the character moving so quietly that the enemy doesn't even notice until it's too late. For example, the character could blend into the shadows and then strike with the Silent Killing Technique without making a sound.
Well, Naruto himself could be one of the main characters. Since it's a Naruto fanfic, he is likely to be involved. And of course, the silent guardian would be a main character too. Maybe it's a new character created specifically for this fanfic, someone with a mysterious past and a strong sense of duty.
Obviously Naruto is going to be a central figure. Other important characters might include his mentors like Jiraiya. Jiraiya could offer guidance to Naruto during this time when he's feeling like he has no real mastery. Then there are his comrades like Shikamaru who might use his intelligence to try and figure out what's wrong with Naruto. And of course, villains from the Naruto world might also be involved, seeing Naruto's vulnerability as an opportunity to cause chaos in the ninja world.
Well, aside from Naruto, there could be some original characters created specifically for this fanfiction. Maybe there's a mysterious figure who is an expert in stealth and becomes Naruto's guide or adversary. And of course, Kakashi Sensei could also be involved. He could be the one who initially notices Naruto's potential in stealth and encourages him to develop it further, guiding him through various training exercises and missions related to stealth.