One interesting storyline could be about the characters' exploration of a new, mysterious part of the Hollows. They might encounter strange creatures and have to use their unique abilities to survive.
The 'naruto king of hollows fanfiction' might be an interesting take on the Naruto series. It could be that the author wanted to explore a different aspect of Naruto's character by giving him the title of 'king of hollows'. This could lead to a whole new set of adventures for Naruto. He might have to deal with the politics and power struggles within the hollow world while still maintaining his ties to his friends and the Hidden Leaf Village. It could also introduce new characters from the hollow realm that interact with Naruto in unique ways.
I'm not sure specifically as there could be many different takes on it. It might be a fanfiction where Naruto somehow becomes related to the concept of the 'god of hollows', perhaps with new powers and adventures in a world that combines Naruto's universe with elements of hollows from other fictional concepts.
Most likely Naruto would be one of the main characters since it's in the title. But there could also be characters from the Naruto universe who are involved in his journey as the 'king of hollows'. Maybe Sasuke or Sakura might be there to support or oppose him depending on how the story goes.
In the 'naruto god of hollows fanfiction', Naruto is the obvious main character. However, antagonists are also important characters. There could be enemies who either want to steal Naruto's new powers as the god of hollows or are afraid of the power he now holds and try to eliminate him. Additionally, characters from Naruto's past, like his teachers like Kakashi, could be involved in helping or hindering Naruto's journey with these new powers, all of which would make them important characters in this fanfiction.
The Hollows Graphic Novel is probably centered around a set of events that take place in a distinct world. It might have a plot that revolves around solving mysteries or dealing with a looming threat. The characters in it may possess special abilities or powers. Through the graphic format, it can vividly depict the landscapes, the characters' expressions and the action - packed scenes.
I'm not very familiar with specific fanfictions similar to 'the hollows by kim harrison'. But you can try searching on fanfiction websites like Archive of Our Own. They have a large collection of fanfictions, and you might be able to find something similar by using relevant tags and keywords.
I'm not entirely sure as I haven't read it in full. But usually in such graphic novels, there would be a central character who drives the story forward. It could be a young hero or heroine with a unique ability or a strong will.