Well, you could write a fanfiction where Percy gets transported to an alternate universe where the gods are different. Maybe they're more benevolent or more cruel. He would have to figure out how to survive in this new world. Also, a story about Percy having to train a new demigod who has powers that are completely opposite to his own could be really cool. It would be interesting to see how he adapts his teaching methods.
Chapter 84, "Is it Just About Having Hands?", is the clearest early answer because it turns Princess Wen's situation into a concrete plot event. It opens with When the villagers tasted his curry beef one by one, their faces...
Chapter 309, "Gamblers at the End of the Road, Li Family's Swan Song", is the clearest early answer because it turns Great Xia's situation into a concrete plot event. The chapter gives readers a real answer by opening on The disciples of the Li Family, upon hearing these words, immediately... and ending on Why would they risk everything to gamble with you?" Li Xuanping,....
Chapter 34, "Official Recording!", is the clearest early answer because it turns Shining Transformation Trip's situation into a concrete plot event. It opens with Seeing that the public sentiment wasn't quite right, Su Yinwan felt...
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 Ox Knife becomes final instead of hypothetical. The chapter turns that into something concrete by moving from North Slope of the mountain wall, Xia Hong followed behind Chen Ying,... to However, the tunnel wasn't uniformly narrow throughout its length;....
Chapter 313, "Preparations for Migration, Population Surge, and Placement of Cold Resistance Level (Part 2)", is the clearest early answer because Xia Hong finally turns buildup into a real advancement. A useful checkpoint is the way the scene starts with Without the Xia Family, I've already inquired; Leader Xia has no... and follows through with Of course, recruiting these eleven was one of his tasks as well..
Chapter 289, "Crushing, Stalling for Time, Ning Yuan Hill's Decisive Victory", is the clearest early answer because it turns Hou Hu's situation into a concrete plot event. The chapter turns that into something concrete by moving from The tactics of the White Dew Gu are indeed too strong; if we allow it... to The thirteen came from the southwest, presumably departing from Long....
Chapter 196, "I am the one with the most potential!", is the clearest early answer because it turns Huo Ziyang's situation into a concrete plot event. The chapter gives readers a real answer by opening on Wen Jiaojiao was on the verge of a breakdown.
Chapter 61, "Young Master Before vs After Going to the Countryside", is the clearest early answer because it turns Director Sun's situation into a concrete plot event.
Chapter 309, "Gamblers at the End of the Road, Li Family's Swan Song", is the clearest early answer because it turns Li Xuanling's situation into a concrete plot event. A useful checkpoint is the way the scene starts with The disciples of the Li Family, upon hearing these words, immediately... and follows through with Peng Bo, Liu Yuan, and Yuwen Dao, those eleven people, Xia Hong now....
Chapter 346, "Mighty Soldiers, One Against Three, The Cause of the Beast Tide", is the clearest early answer because it turns Beast Tide's situation into a concrete plot event. The chapter gives readers a real answer by opening on five million!" "Silver is just one of the main materials used in the... and ending on Among the Six Armies, the first batch to rush up are all the....