Maybe there are ordinary people who become main characters when they stumble upon the spectral horrors. They could be locals of a haunted town or travelers who unknowingly enter a cursed place. Their reactions to the horror, whether it's disbelief at first and then sheer terror, could be what makes them the main characters. Also, there could be characters who have a connection to the past events that led to the horror, like descendants of those who wronged a spirit long ago.
I'm not sure as I haven't read it. But it could be common horror story characters like the brave hero who tries to face the horror, or the innocent victim who gets caught up in the spooky events.
Chapter 587, "Has He Also Become a Part of the Play?", is the clearest early answer because it turns Crown Prince's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Zhao Lang said "thank you," but his eyes reluctantly glanced at Jiang...
Chapter 500, "Nearing Home Brings More Fear", is the clearest early answer because it turns Gu's situation into a concrete plot event. Early on, The room, white and gleaming, was filled with a faint smell of.... By the end, Truth be told, it would be a lie to say he wasn't scared..
Chapter 478, "Someone Comes to Bully Me?", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event. The chapter turns that into something concrete by moving from However, before Jiang Yan's axe could descend, he heard a rustling...
Chapter 819, "Invitation", is the clearest early answer because it turns Jiang Shixu's situation into a concrete plot event. The chapter turns that into something concrete by moving from What Yu Li said is something these prominent families often do. to Lin Manru's studio also resumed work..
If you want the clearest chapter reference, go to Chapter 16. Early on, Just as the words fell, Jiang Shixu swiftly cast his eyes downward.; later, the chapter leans on His eyelashes were very long; when they fell, they could cast a small....
Chapter 817, "Killed by Me", is the clearest early answer because the violence around Jiang Mingchuan becomes final instead of hypothetical.
Chapter 620, "The Journey to Find a Brother", is the clearest early answer because it pushes Shang Shuyue into a new phase or setting.
Chapter 549, "Is This How You Be a Brother?", is the clearest early answer because it turns Is's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Jiang Li led her group deeper into the island.
Chapter 751, "Even if both perish, he must pay the price!", is the clearest early answer because it turns Shu Yan's situation into a concrete plot event. The chapter turns that into something concrete by moving from She cried out for heaven and earth, but her beloved was just...
Chapter 598, "She Blew Up Your Family's Lake!", is the clearest early answer because it turns Gu Shengrong's situation into a concrete plot event. It opens with Have you all fallen silent?] [I've fallen silent as well.] [Some say...