A brooding vampire could be the main character. He has lived for centuries and has seen the worst of humanity. However, he decides to use his superhuman strength and speed to protect a small town from other supernatural threats that lurk in the night.
The obvious main characters would be the protector and the dark lord. But there could also be secondary characters like the dark lord's enemies or the protector's allies.
A young orphan could be the main character. They are lured into the dark woods circus by the promise of a family and a place to belong. But soon they realize the dark secrets of the circus.
It could be a wealthy businessperson who has become blinded by greed in the cut - throat corporate world. They are the main character and the 'light in the dark' could be a poor but wise employee who shows them the error of their ways.
Sasuke could also be a main character in such a fanfiction. Given his brooding nature and his search for power, the addition of dark angel powers could take his character in an even more complex direction. He might be more tempted by the dark side that comes with the dark angel powers.
Perhaps a young and inexperienced adventurer who discovers their hidden power while on the quest to slay the dark dragon. They grow throughout the story, learning new skills and becoming a true hero.
The main character could be a scientist who has been studying Pokemon and their habitats. They discover some unusual data that points to the existence of a powerful Pokemon that can safeguard the land and sea. Driven by their passion for knowledge and the well - being of the ecosystem, they set out to find this Pokemon and end up becoming the central figure in the story. They would use their scientific knowledge to understand the Pokemon better and to come up with strategies to protect it and the environment it is meant to safeguard.
Harry Potter himself could be the main character. Imagine him stumbling upon a dark keyblade and having to grapple with its power. He would have to decide whether to use it to fight Voldemort or risk being corrupted by its dark influence.
The main character could be a young artist. She is inspired by the night and the solitude it offers. The darkness is like a blank canvas for her, and dancing is her way of creating art. Every movement she makes in the dark is a form of self - expression, and she might be on a journey to find her true artistic identity through her love for dancing in the dark.
The Titans could be the main antagonists. Even though they have been defeated before, some of them might have found a way to return or their followers could be causing trouble. They see Artemis as a threat or a target for their revenge against the gods. Another possibility is a new group of powerful monsters that have banded together and are specifically targeting Artemis for her power and influence among the demigods.
A powerful mage could be a great main character. They could use their magic to either combat the Four Kings or try to understand the source of their corruption. Magic in the Dark Souls world is often mysterious and having a mage as the main character could allow for exploration of different spells and magical concepts in relation to the Four Kings.