Since I'm not familiar with the 'the kings ring novel', the main characters could include the king himself, who is obviously central to the story because of his ring. There could be a loyal knight who helps the king protect the ring. And maybe there is a wise old wizard or advisor who knows the true power of the ring and gives the king counsel regarding it.
As I haven't read this particular novel, I can only speculate. The king would be a main character for sure. There might be a princess or a queen related to the king who plays an important role in the story, perhaps being involved in the protection or discovery of the secrets about the ring. There could also be a group of thieves or rebels who are after the ring, and their leader could be another main character.
I don't know as I haven't read the novel. But there would probably be the king as one of the main characters, since it's the king's ring. There might also be a villain who wants the ring.
I don't know as I haven't read the novel. It could be a king who is somehow related to the fake ring, a hero who tries to expose the truth about it, or a villain who wants to use the fake ring for their own gain.
Since I don't have details about 'the kings ring novel', it could be about a king's journey that is somehow related to the ring. Maybe the ring is a family heirloom that gets lost and the king has to embark on a quest to find it, facing all kinds of adventures and challenges along the way.
There's no way to be certain without reading it, but perhaps there's a female lead who is somehow connected to the ring. Maybe she has a special ability that is awakened by the ring, and there could be a male character who helps her on her journey with the ring. There could also be an antagonist who wants to steal the ring for their own malicious purposes.
I'm not sure specifically as I haven't read it. But it might be about a false or counterfeit king's ring, perhaps with a story of intrigue, power struggles, and mystery surrounding this ring.
I'm not sure specifically as there are many novels that could be called 'the ring novel'. But generally, there could be a protagonist who discovers the ring and gets caught up in its mystery. There might also be an antagonist who wants to use the ring's power for their own evil purposes.
Sadako Yamamura is a main character. She is the source of the curse, a figure full of mystery and horror.
Since I don't know the exact 'the magic ring novel', I can't say for sure. But usually, there would be a protagonist who discovers the ring.
Louis Wu is an important character in the 'Ring World Novel'. He is joined by other characters like Teela Brown. They each bring different skills and personalities to the story. Teela Brown has some unique traits that play into the events on the Ring World. There are also various alien characters that interact with them, and all of these characters together drive the plot forward as they face the challenges and mysteries of the Ring World.
As of now, there is no official 'Elden Ring' novel, so it's hard to say who the main characters would be. But if it followed the game, Tarnished could be a main character as they are central to the game's story.
Since I don't know the specific 'broken ring novel', I can't say for sure. But it could have a protagonist who is on a quest related to the broken ring, like a young person trying to understand the significance of the broken family heirloom ring.