Well, to be honest, it's hard to say for sure. Maybe it started from real incidents and was then elaborated into a story, or it could be pure imagination from the author's mind.
It depends. Yara could be based on real events but with some fictional elements added, or it could be completely made up.
The truth about Yara being a real story or not is unclear. Sometimes stories are a blend of reality and fiction, and it's possible that's the case with Yara.
Chapter 38, "Pretending to be a Top Student? You Must Have Forgotten Your Own College Entrance Exam Score!", is the clearest early answer because it turns Cao Cao's situation into a concrete plot event.
Chapter 284, "Astonishing Training Results, the Peepers", is the clearest early answer because it turns Cold Beasts's situation into a concrete plot event. The chapter turns that into something concrete by moving from Second Year of Great Xia, June 25 Snowy night, west of Wushuang,... to But at this moment, the situation seemed peculiar..
Chapter 328, "An Unexplainable Unease, Jade Dew Stone, Li Xuanling's Panic", is the clearest early answer because it turns Xia Hong's situation into a concrete plot event. It opens with After the first wave of arrow rain all landed on the North Slope of... and closes on After waiting for over ten minutes, when Yangyuan Peak had shrunk to.... The key payoff is that the chapter closes with This White Dew Gu evidently possessed a significant amount of information.
Chapter 304, "The Defeated Longyou Army, Xia Army Cannot Escape, Holy Tripod", is the clearest early answer because Solidified Fire Oil gets a payoff that changes the stakes. The setup is Xia Chuan realized this point earlier than the others, so as soon as..., but the pressure keeps building through This was also a retreat route he had prepared in advance..
Chapter 298, "Hou Jing Defects, White Abyss Falls, Zhaoyang's Banner Changes (2)", is the clearest early answer because it turns Hou Jing's situation into a concrete plot event. The chapter gives readers a real answer by opening on Hou Hu naturally believed that he deserved the position of leader,... and ending on For the remaining over fifty thousand people in Zhaoyang, I haven't....
Chapter 68, "She finally managed to win a round back!", is the clearest early answer because it turns Kang Bazi's situation into a concrete plot event. The chapter gives readers a real answer by opening on Jiang Li carried the noodles straight out of the kitchen and came to...
Chapter 290, "Bountiful Harvest—Store Land or Store People", is the clearest early answer because it turns Thousand Forged Level's situation into a concrete plot event. Early on, Entering the Wushuang Realm, realizing that Long Mountain could no.... By the end, Even Xia Hong couldn't help but have a momentary daze in his gaze..
Chapter 252, "A Thousand Gold for a Steed’s Bones, Yang Li Surrenders", is the clearest early answer because it turns Cold Resistance Level's situation into a concrete plot event. The setup is Li Hu peered inside and saw the crimson blood in the bag., but the pressure keeps building through The familiar wild scent made his voice instantly excited..
Chapter 280, "The Vanished Beast Tide and Tenfold Marching Speed (Part 2)", is the clearest early answer because it turns Arrow Bamboo Forest's situation into a concrete plot event. It opens with Moreover, as the iron ore at the camp becomes increasingly abundant,... and closes on After Wushuang takes a break for two days, Peng Bo will lead the way....
Chapter 240, "An Offer You Can't Refuse, Narrow Escape (Part 2)", is the clearest early answer because the buildup finally cashes out in a real clash. Early on, Qiu Peng paused here, held up three fingers, and continued: "Firstly,.... By the end, How would they feel after hearing it?" The three conditions were:....