Well, without having read the novel specifically, in most light novels there is often a central character who has some sort of special ability or destiny. There could be an antagonist as well, someone who opposes the main character's goals. And then there are usually other supporting characters like mentors, who offer wisdom and guidance to the main character, or other characters with their own sub - plots that are intertwined with the main story.
I'm not entirely sure as I haven't read the 'Principles of Heaven Light Novel' in detail. But typically in a light novel, there would be a protagonist who drives the story forward. There might also be a sidekick or a group of friends who support the main character in their adventures.
Since I don't have the exact knowledge of the 'Principles of Heaven Light Novel', generally speaking, in a light novel, the main character is usually someone the reader can root for. They may be an underdog at the start. There could be characters from different races or backgrounds in the story. For example, there might be a wise old sage - like character, a strong warrior - type character who teams up with the main character, and perhaps a female character with her own set of skills and motives that play important roles in the overall narrative.
The themes might include a journey of self - discovery. The characters in the 'Principles of Heaven Light Novel' could be on a path to find out who they really are. There may also be a theme of fate versus free will, like whether the characters are bound by some pre - determined destiny or if they can shape their own lives through their choices. Additionally, the theme of good versus evil is likely to be present, with the characters having to take sides and fight for what they believe in.
I think the protagonist is often the most interesting. They usually have a unique backstory and goals that drive the story forward.
Dio is surely one of the main characters as the title implies. There might also be characters like Jotaro Kujo who often has conflicts with Dio in the JoJo's universe. They could be involved in battles and power struggles in this light novel.
The protagonist is surely one of the main characters. He is the one driving the story forward with his quest for the heaven - defying sword. Then there's his mentor, who plays a crucial role in his early development and provides him with important knowledge and guidance.
I'm not sure exactly as I haven't read it fully. But usually in such light novels, there is a central protagonist who drives the story forward.
One possible main theme is the concept of power and how it is used or misused. In many light novels, power dynamics play a crucial role, and this one might be no different. Characters may strive for power, and the story could show the consequences of their pursuits, whether it's for the greater good or for personal gain.
There could be archangels as main characters. They are often powerful figures in the heavenly hierarchy and would likely play significant roles in the war, either leading the battles or making crucial decisions.
Since I don't know the specific '7th heaven novel', I can't say for sure who the main characters are. They could be angels, humans on a spiritual journey, or some other fantastical beings.
I'm not sure specifically without reading it, but it could be angels or other celestial beings. There might be a protagonist who is trying to restore peace or uphold a certain order in heaven during the war.
The main character is usually a young hero with great potential. I can't recall his exact name right now, but he has a strong will and is determined to master the 'Sword of Heaven' for some noble cause.