Since there is no information available to me about this story, any answer about the main characters would be a complete shot in the dark. They might be adventurers, or guardians of some sort. Maybe there are characters with special abilities who are directly related to the 'eyes of heaven'. But again, this is all just speculation without any real knowledge of the story.
As I'm not aware of the 'eyes of heaven original story', it's impossible to say who the main characters are. They could be heroes, or perhaps ordinary people who get caught up in an extraordinary situation related to the 'eyes of heaven'.
Chapter 173, "New Regulations of the Hunting Department, Building Upgrade", is the clearest early answer because Contribution Value finally turns buildup into a real advancement. The setup is Hong Guang, standing nearby, immediately pulled out a wooden plaque..., but the pressure keeps building through The plaque had all the regulations of the Hunting Department written....
Chapter 162, "Once and for All, Victory", is the clearest early answer because it turns Xia Hong's situation into a concrete plot event. Early on, The Iron Refining Furnace, a building in the system, could always be.... By the end, The target, of course, was their eyes.. Inside the broader faction conflict storyline, the danger stops being abstract and the conflict around Xia Hong becomes immediate, forcing the surrounding cast to react under pressure.
Chapter 207, "Improving Corvée Labor and Changes in Year 1 [Happy New Year!!!]", is the clearest early answer because it turns Great Xia's situation into a concrete plot event. Early on, This undoubtedly also indirectly reflects the current abundance of.... By the end, Have we accomplished so much in a year?" "I hadn't even noticed there....
Chapter 163, "Almost Annihilated, The Mystery of Gao Yu", is the clearest early answer because it turns Yi Blade's situation into a concrete plot event. It opens with Xia Hong's massacre of the Earth-digging Realm at the Mirror Immortal... and closes on Earlier when He Meng wanted to kill him, he also threw a dagger at....
Chapter 181, "What Does Great Xia Want, Liu Dahu's Ambition", is the clearest early answer because it turns Cheng Guo's situation into a concrete plot event. The chapter turns that into something concrete by moving from The exchange meeting was still proceeding as normal, but unlike... to Xia Chuan's eyes slightly lit up, showing some appreciation for the....
Chapter 151, "Pioneering, The Growth of Xia Chuan [sorry, late]", is the clearest early answer because it turns Great Xia's situation into a concrete plot event. Early on, Establishing the Pioneer Department opens a new path for advancement;.... By the end, Even if mistakes are made, we need to nurture these people first;....
Chapter 166, "Broken Defense of Mirror Immortal", is the clearest early answer because it turns Xia Chuan's situation into a concrete plot event. The chapter gives readers a real answer by opening on They all held large blades, their faces expressionless, looking like... and ending on Over a hundred people charging, Xia Hong calmly broke through the.... In story terms, the chapter closes with "Brother, the solidified fire oil can only suppress them, it seems not enough to kill them.
Chapter 231, "Investigating Yang Lu by Day—Whose Side Are We On?", is the clearest early answer because it turns Hanqiong Camp's situation into a concrete plot event. Early on, They are now located southeast of the hill, and the west side happens.... By the end, Two on the first floor, four on the second floor, one on the third....
Chapter 244, "Besieged, Strength, and Rescue (Part 2)", is the clearest early answer because the buildup finally cashes out in a real clash. Early on, Just like last time, this time he could only crash into five or six.... By the end, The immense strength of the Twenty-one 鬃, even if the earlier battle....
Chapter 262, "Garrison Candidates, Martial Arts Enthusiasm, and the Eve of a Breakthrough Tide", is the clearest early answer because Xia Hong finally turns buildup into a real advancement. It opens with The majestic golden dome; Blue leather blankets covering the entire... and closes on Once these two agree to join Great Xia, the other two wouldn't be an....