One possible theme could be the unexpectedness of life. Since irony often involves things not going as planned, this might be a central theme.
Another theme might be about human perception. The ironies in the story could show how characters' perceptions of situations are different from the reality, highlighting the fallibility of human judgment.
Chapter 333, "Silver Mine from the Heavens, Yu Yao and Yu Sheng, No Need for an Ox Knife to Kill a Chicken [10,000-Word Mega Chapter Continued]", is the clearest early answer because the violence around Xia Hong becomes final instead of hypothetical. A useful checkpoint is the way the scene starts with After speaking, Xia Hong hurriedly walked towards the tunnel exit,... and follows through with At the same time, Xia Hong clearly noticed the room's temperature....
Chapter 305, "Twists and Turns—Severed Arms, Heads, and a Forced Retreat", is the clearest early answer because it turns Dewdrop Plague's situation into a concrete plot event. Early on, Xia Chuan initially appealed pitiably; when he mentioned that the Xia.... By the end, If Chen Yingyuan hadn't swiftly run behind to catch him, he would.... Inside the broader exploration storyline, the chapter closes with Suddenly, an idea flashed through Xia Chuan's mind.
Chapter 300, "Relentless Pursuit, the Beast Tide Breaks the Wall", is the clearest early answer because it turns Long Mountain's situation into a concrete plot event. The setup is Second Year of Great Xia, July 4th Bang..., but the pressure keeps building through On the west side of the main zone entrance of the Hive underground, a.... Once the chapter lands on He should have gone to inspect other places;
Chapter 273, "Top 100 Revealed, Entering the Hall, Team Numbers as Team Names", is the clearest early answer because it pushes Cold Resistance Level into a new phase or setting. Early on, Over a hundred people in the hall saluted him simultaneously, and Xia.... By the end, Great Xia is about to establish a formal military force..
Chapter 332, "Chen Ying's New Discovery, Xia Yuning, Good News Abounds", is the clearest early answer because it turns Blood Agate Jade's situation into a concrete plot event. A useful checkpoint is the way the scene starts with This Blood Agate Jade is a unique treasure of Beiyuan, nourished by a... and follows through with Han Shuang naturally didn't correct anything, smiling, "Then Han....
Chapter 289, "Crushing, Stalling for Time, Ning Yuan Hill's Decisive Victory", is the clearest early answer because it turns Cold Resistance's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Smart, but unfortunately a bit late." It's over! and follows through with In front, the four of Hou Hu's faces suddenly turned deathly pale;.... By the close, It can't continue like this;
Chapter 331, "Zhu Shun and Huang Tianxi, Cold Yuan Banquet of Great Xia Year 3, Xia Yuzong (6)", is the clearest early answer because it turns Cold Element Festival's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Xia Hong suddenly let out a hearty laugh and raised his glass to... and follows through with It's not only Xia Yuzong's birth; everyone could clearly feel that....
Chapter 331, "Zhu Shun, Huang Tianxi, the Third Cold Yuan Banquet of Great Xia, and Xia Yuzong", is the clearest early answer because it turns Zhu Shen's situation into a concrete plot event. It opens with Inner City's main street, Zhu Shun led his wife Huang Yuniang and... and closes on But later, as the Camp Supply Department sent over the ceremonial....
Chapter 13, "Killing the Chicken to Scare the Monkey", is the clearest early answer because the violence around Qin Xiaoxiao becomes final instead of hypothetical.
Chapter 345, "Luo Ming, Mirror Valley Defense Commander, Beast Tide, Great Xia's 6 Armies", is the clearest early answer because it turns Xu Kang's situation into a concrete plot event. The chapter turns that into something concrete by moving from Great Xia, Year Seven, September Ninth, the latter half of the night... to The Ice Tree takes advantage of its role as a staple, otherwise, the....