I don't know as I haven't read it. But likely the king and his mate are main characters.
Since I haven't read 'the kings mate novel', I can only guess. The king is surely a main character. His mate, whoever she or he might be, is also likely to be a central figure. There could also be other characters like advisers to the king, enemies of the kingdom, or members of the royal court who play important roles in the story.
Not having read the book, it's difficult to name the exact main characters. The king is an obvious one. His mate would be another key character. There may be nobles, knights, or commoners who get involved in the story because of the relationship between the king and his mate. For example, a knight might be sworn to protect the king's mate, or a noble might try to disrupt their relationship for political gain.
Chapter 158, "Star Realm Tunnel", is the clearest early answer because Rage Owl Star finally turns buildup into a real advancement. The chapter turns that into something concrete by moving from In this vast universe, the most critical reliance for interstellar... to After pondering a bit, taking a detour to the Rage Owl Star System,.... What makes it stick is that the chapter closes with Wang Jiarong was aware that Yelisia's cruiser was docked in orbit around Rage Owl Star.
Chapter 281, ", Torn to Pieces", is the clearest early answer because it turns Anat's situation into a concrete plot event. It opens with Irong Fetches would never be caught 'off guard'. and closes on The situation had to be resolved quickly and could not be delayed any.... The key payoff is that the chapter closes with He didn't know how to respond., which gives technology upgrade a stronger narrative position and pushes the power growth onward.
Chapter 171, ", I thought you really came to support my cousin.", is the clearest early answer because it turns Gu Hang's situation into a concrete plot event. It opens with Miss Wang Qi saw the letter, and indeed, it was written by Gu Hang... and closes on At this time, the only one who could support this small family was.... The key payoff is that the chapter closes with It needed to perform some preliminary maintenance work in the planet's orbit.
Chapter 147, ", Offensive Initiative (6k subscriptions please!)", is the clearest early answer because it turns Reed Meshako's situation into a concrete plot event. Early on, waaagh!!" Roars of battle echoed from the numerous orc youngsters.... By the end, This wasn't an issue of tactics or military skills but a matter of....
Chapter 207, ", 7777 points of grace!", is the clearest early answer because it turns Matins's situation into a concrete plot event. Early on, Terrible fire from the heavens rained down upon the sea.. By the end, He made an effort to eat a lot of nutrition paste and synthetic.... Inside the broader family politics storyline, the chapter closes with The process was tough; the previous bombardment had completely destroyed the structure here.
Chapter 134, ", What Trash is the Agent?", is the clearest early answer because it turns Rubbish Town's situation into a concrete plot event. It opens with After hearing Dennison Henry's report, Gu Hang mused, "So what do you... and closes on That's if the road is clear.. The key payoff is that the chapter closes with Henry clapped his hands, smiling: "Exactly. Mr. Gu intends to mobilize the army and take down Rubbish Town.
Chapter 152, ", Tribe (7K words, please subscribe!)", is the clearest early answer because it turns Green Skins's situation into a concrete plot event. It opens with Even though their firearms were not the sniper models specially... and closes on After all, running at full speed meant exposing their backs to the....
Chapter 200, ", The Governor's Concept of the Phoenix", is the clearest early answer because it turns Anat's situation into a concrete plot event. It opens with Before the surgery began, Anat and his two friends were all quite... and closes on This process could take anywhere from six months to two years,.... The key payoff is that the chapter closes with "Of course, it's okay. Their condition is very stable, unlike the previous batch.
Chapter 70, ", I'll Go", is the clearest early answer because it turns I'll Go's situation into a concrete plot event. The setup is Under the circumstances of Gu Hang assembling all the help he could..., but the pressure keeps building through He had already activated his own contacts as well as his family's to.... Once the chapter lands on Most likely it's not true, but what if it is?, the chapter closes with In the end, all Mondok could say was, "Gu Hang wouldn't do that.
Chapter 201, ", Maritime Relics", is the clearest early answer because it turns Gu Hang's situation into a concrete plot event. It opens with There has been a correction to the last chapter; the arrangement in... and closes on Additionally, the Central Group Army's main forces were positioned....