You need to create a unique set of rules and laws for the subterranean society. Make it different from the surface world. Also, think about the environment and how it shapes their way of life.
To write a subterranean society in fantasy fiction, start by imagining the physical layout and resources available. Then, develop the social structure, including classes and power dynamics. Add some mysterious elements to make it intriguing.
Well, for a subterranean society in fantasy, you could focus on the lighting and how it affects their daily activities. Also, come up with unique creatures or races that are adapted to that underground setting. Don't forget to give them a rich history and culture.
Chapter 65, "Jiang Li Missing?!", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. It opens with Several minutes later, the room remained silent. and closes on What's the deal with these two?.
Chapter 306, "Helplessness, Shifting Loyalties, Total Annihilation and New Territory (Part 3)", is the clearest early answer because it turns Cheng Guang's situation into a concrete plot event. It opens with Who goes there!" Just as Jiang Ping, Li Xuanhong, Cheng Guang, and... and closes on Meng Ying, after a fifty-meter chase, saw the person to the southwest....
Chapter 308, "Shocking Turn, Grave Injuries, and Restless Hearts", is the clearest early answer because it turns Yanhan Blade's situation into a concrete plot event. It opens with But the Li Xuantiang in front of him was different. and closes on Looking at the fissuring forehead of Li Xuantiang, the Yanhan Blade.... The key payoff is that the chapter closes with Finishing off Wu Lin, Xia Hong's face had turned extremely pale, with four wounds on his body still gushing blood;
Chapter 207, "Keep these thirty points for yourself, I don't need them", is the clearest early answer because it turns Su Yinwan's situation into a concrete plot event. Early on, After finishing, Sister-in-law Lan quickly took out the Good....
Chapter 306, "Rebel Collaborators, Chaos and Opportunism, Long Mountain Changes Hands", is the clearest early answer because it turns Xia Army's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Go notify the leader, have him quickly bring the main forces back to... and follows through with Your Li Family is unlucky, producing these two little beasts who let....
Chapter 308, "Shocking Turn, Grave Injuries, and Restless Hearts", is the clearest early answer because it turns Xia Hong's situation into a concrete plot event. A useful checkpoint is the way the scene starts with How is your strength possible..." The moment Wu Lin collided with Xia... and follows through with The initial assault by Han Jiuli's group of five seemed to be of....
Chapter 166, "Daniu Gets Jealous!", is the clearest early answer because it turns Daniu's situation into a concrete plot event.
Chapter 14, "She Looks So Cool Dancing with a Gun", is the clearest early answer because it turns National Guardian General's situation into a concrete plot event.
Chapter 277, "The Terrifying Hundred-Eyed Demon Sheep (Part 2)", is the clearest early answer because it turns Demon Sheep's situation into a concrete plot event. The chapter turns that into something concrete by moving from Luo Yuan and the seven others might have escaped, Chen Yingyuan... to Unfortunately, as Peng Bo had mentioned earlier, none of them could....
Chapter 302, "Signs of Defeat Emerge, Snow Bamboo's Backup Plan", is the clearest early answer because it turns Great Xia's situation into a concrete plot event. Early on, Xia Chuan's roar and the teasing from Yuan Cheng and the other Cold.... By the end, Furthermore, as he kept pushing outward horizontally, the breach....