One reason could be that graphic novels are usually produced in larger quantities, which can bring down the production cost per unit, allowing for a lower price.
It might be because graphic novels consolidate multiple single issues into one volume. This saves on distribution and marketing costs for publishers, which can be reflected in the price.
Maybe it's because single issues have to cover the cost of individual printing and shipping more frequently, while graphic novels have these costs spread out over a larger collection, making them cheaper to sell.
Chapter 164, "The World in the Mirror, Immortal and Indestructible", is the clearest early answer because it turns Great Xia's situation into a concrete plot event. The chapter turns that into something concrete by moving from Mirror Immortal Station, a bustling crowd gathered at the edge of the... to After all, under normal circumstances, the power of Great Xia was....
Chapter 176, "Resistance and Reason", is the clearest early answer because it turns Xiao Ning's situation into a concrete plot event. It opens with In the Ice Abyss World, the weaker the human camp, the more they... and closes on He did not expect the other party to refuse him directly without even....
Chapter 160, "The night has fallen, they should arrive", is the clearest early answer because it turns Demon Sheep's situation into a concrete plot event. The chapter gives readers a real answer by opening on Not to mention, the Intermediate Thunder Kui transformed from the... and ending on Two," By the second count, the beast horde from the west was less....
Chapter 159, "Blood and Flesh Wall, The Leader Hasn't Broken Through Yet?", is the clearest early answer because it turns Zhao Bao's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Sir, he has already taken people to the east corridor, and Zhao Hu... and follows through with Luo Yuan, take people to kill the Teng Jiao; Zhao Long, you three.... By the close, Xia Chuan turned his head;
Chapter 176, "Resistance and Reason", is the clearest early answer because it turns Shen Dong's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Thinking about his experience at Xiao He Camp, Xia Chuan could... and follows through with Although there aren't many Cold Beasts on the North Shore, we can....
Chapter 242, "Trouble at Long Mountain, You Arrived Too Late", is the clearest early answer because it turns Qiu Peng's situation into a concrete plot event. The setup is North of Wushuang Giant Stone Camp, snowfield., but the pressure keeps building through A small figure in a yellow cloak was desperately fleeing northward....
Chapter 162, "Once and For All, Victory", is the clearest early answer because it turns Gao Yu's situation into a concrete plot event. The chapter turns that into something concrete by moving from The remaining forty-plus Earth-digging Realm individuals continued to... to Before the cold beast tide arrived, Xia Hong had already successfully....
Chapter 136, "He Yuanhun, Yuwen Hu, Yuwen Dao (Three in One)", is the clearest early answer because it turns Great Xia's situation into a concrete plot event. Early on, Adding to the subtle expression on Yuwen Dao's face, it was evident.... By the end, If he couldn't break through to the Cold Resistance Level in a short....
Chapter 149, "The Ultimate Combat Body, The Dangerous Gao Yu [Please Vote]", is the clearest early answer because it turns Yuwen Hu's situation into a concrete plot event. The setup is The process of reshaping his own skin is likely very different from..., but the pressure keeps building through Xia Hong had long suspected this in his heart..
Chapter 195, "Jade Bone, Conclusion, Cultivation Dilemma", is the clearest early answer because it turns Xia Hong's situation into a concrete plot event. The chapter turns that into something concrete by moving from Xia Hong's entire body was still bulging with veins. to Yuwen Dao, Hong Guang, Meng Yi, Yue Feng, and over two hundred others....