In some cases, Kakashi could be a main character. As Naruto's mentor, he might play a crucial role in guiding Naruto when it comes to dealing with the mystery of the black diamond. He could use his wisdom and experience to help Naruto understand the implications of this strange object.
Steven is often paired with Black Diamond in fanfiction. Their interactions can be really interesting as Steven has his unique way of approaching Gems and his powers. He might try to understand Black Diamond or even persuade her to change her ways if she's portrayed as a more antagonistic figure.
I don't know as I haven't read it, but it could be a diamond miner as one of the main characters.
Since I don't know the specific 'Black Diamond Story', I can't say for sure who the main characters are. They could be jewelers, thieves, or adventurers.
It depends on the specific 'Black Diamond Mystery Novel'. In some, it could be a detective like Inspector Blackwood who is obsessed with uncovering the secrets of the black diamond.
I don't know for sure as I haven't read it. It could be the person who gives the diamond gift and the one who receives it. Maybe there's a villain who tries to steal the diamond.
Well, it's likely that Steven would still be one of the main characters. He often plays a central role in any Steven Universe - related story. Alongside him, there could be new characters created specifically for this fanfic that are somehow connected to the Black Diamond. And of course, any of the existing main Gems from the show like Garnet, Amethyst, and Pearl might also be important characters in this fanfic, especially if they interact with the Black Diamond in some way.
Obviously Naruto himself. There might also be Sasuke, as he is Naruto's rival and friend. Sakura could be there too, maybe she is curious about Naruto's new identity. And Kakashi could play a role in guiding Naruto about his connection to the pink diamond.
There might be an original character created specifically for this fanfiction. This character could be from a long - lost clan that has a deep connection with black lightning. They could enter the Naruto world and cause a stir, either as an ally or an adversary, and their journey with black lightning would be a central part of the story.
Well, Naruto is obviously one of the main characters. And then there's the black fox. Depending on the fanfiction, other characters like Sasuke could also be important. They might interact with Naruto and the black fox in different ways, like Sasuke being suspicious of the black fox's motives at first.
Typically, Naruto is one of the main characters. He often gets involved in stories related to the black sand due to his adventurous nature and his power to overcome challenges. Another could be Gaara. Since he has control over sand, a story might explore his connection or reaction to the black sand, whether it's a new threat or a potential new power source for him.