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.
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.
A practical answer is Chapter 100, because it turns the idea into a concrete scene. The chapter opens with The barrage was about to die of laughter., adds pressure through Who would dare write a script like this!], and ends on Her eyes flickered slightly as she grabbed the hand..
The best chapter pointer here is Chapter 96, "Can't Easily Forgive the Scumbag!". It opens with Jiang Li's words seemed absurd, yet there also seemed to be a trace of... and closes on Xu Ling couldn't contain her soft sobbing, "How could this happen?.
Look to Chapter 93 for the clearest answer. It begins with Jiang Li looked back and saw several aunties linking arms, walking up the..., keeps building through The leader was indeed the aunt to whom she had read fortunes this morning., and lands on I did the same when I was young, and when my dad.
A practical answer is Chapter 98, because it turns the idea into a concrete scene. The chapter opens with Jiang Li listened to the end and didn't have much of a reaction, only..., adds pressure through Several shirtless men were seen sitting around a table, playing cards and..., and ends on That's.
A practical answer is Chapter 108, because it turns the idea into a concrete scene. The chapter opens with In a glamorous Michelin three-star restaurant, Su Yinwan and Shang..., adds pressure through Jiang Yan, "...." Did he chew 20 times just now?, and ends on Hey, I've been waiting for you for.
Chapter 47 is the strongest chapter-level answer because it starts from Qi is actually second???] [Did the production team make a mistake? and follows through on Qi is so excellent and only got 17, yet Jiang Li comes in with 22?.
The best chapter pointer here is Chapter 121, "Jiang Li Gains 5 Points for His Meritorious Rescue!". It opens with Seeing that Wen Jiaojiao's condition had improved significantly, Director... and closes on You're supposed to be a man who conquers mountains!] Experienced and....
The best chapter pointer here is Chapter 110, "The Plow Ox CP didn't even start before it ended". It opens with Jiang Li, carrying a wooden basin, walked over to the well. and closes on My parents died, and fortunately, Daddy found and took me in..
If you want the clearest chapter reference, go to Chapter 81. Early on, Qi Tianyu, who chose curry beef rice, received a piece of curry and a...; later, the chapter leans on Shu Yan was relatively lucky, she got a bundle of noodles and a bag of....
Chapter 49 is the strongest chapter-level answer because it starts from My phone!!!" Jiang Yan's roar echoed continuously through the mountains in... and follows through on Thinking this, Jiang Yan marched forward, pulled Jiang Li down from her....