Since I haven't read 'mortal of the doom light novel' in detail, it's hard to name the exact main characters. However, in most light novels, there is a character with a special ability or destiny. This character is usually at the heart of the story, and there are other characters that surround them, some might be allies, some might be antagonists, all of which together drive the story forward.
I'm not sure about all the main characters specifically. But often in such novels, there is a central protagonist who is likely to be the one facing the challenges of the doom world. There may also be some side characters who play important roles in the protagonist's journey, like a mentor or a friend.
Since I'm not familiar with the 'Mortals of the Doom Light Novel', we can only speculate. There could be a main character who is a fighter, always on the front line against the elements of doom. There might be a healer type character as well, someone who tries to mend the wounds of the mortals both physically and emotionally. And perhaps there is a character with a mysterious past that holds the key to either the cause of the doom or the solution to it.
I don't know specifically since I haven't read it. But it could have a heroic protagonist who is the doom breaker. There might also be a sidekick or mentor character to help the main character on their journey.
Maybe it's the theme. The combination of'mortal' and 'doom' is not that common in light novels. Other light novels might focus on different things like fantasy adventures or school life.
Since I don't know the specific 'mortal immortal light novel', I can't say for sure. But it could be a protagonist who is in the process of becoming or is already an immortal while still having mortal qualities.
Well, I haven't read it in detail. But generally, the plot might be centered around the concept of mortality in a doom - like setting. Maybe it has characters struggling to survive in a desolate world.
Well, I haven't read it thoroughly yet. But usually, the character development parts are often interesting. For example, seeing how the main character overcomes difficulties and grows in the world of doom can be really engaging.
I'm not entirely sure who all the main characters are specifically. But there's usually a character who is the wielder or seeker of the sword of doom.
The main character in 'Sword of Doom novel' is Ryunosuke. He is a complex figure driven by his own dark desires.
I don't know as I haven't read the 'doom breaker novel'. It could be a lone hero or a group of diverse individuals.
There could be characters like Reed Richards. He is often in conflict with Doctor Doom. Richards represents the scientific and heroic side, which contrasts with Doom's more megalomaniac tendencies.