Another option is to check out some Percy Jackson fan communities on social media platforms like Reddit or Tumblr. Fans often share and recommend their favorite fanfictions in these communities. You can post a request asking for 'Percy Defeats Gaia' fanfictions, and chances are, you'll get some good suggestions from fellow fans.
You can start by looking on popular fanfiction websites such as Archive of Our Own (AO3). It has a large collection of fanfictions from various fandoms, and you're likely to find some great 'Percy Defeats Gaia' stories there. Just use the search function and type in relevant keywords.
Fanfiction.net is also a good place to search. There are many Percy Jackson - related fanfictions on this site. Browse through the Percy Jackson category and look for titles or summaries that mention Percy defeating Gaia. However, be aware that the quality can vary, so you might need to do some sifting.
A practical answer is Chapter 78, because it turns the idea into a concrete scene. The chapter opens with He Yun, too, tidied up and walked over to rest in the shade of a tree., adds pressure through That weed whacker is obviously mine!, and ends on [HAHAHA, is it just me or does Movie Emperor He.
Look to Chapter 94 for the clearest answer. It begins with Jiang Li really has some skills, being able to figure that out." "Can the..., keeps building through I always feel my boyfriend is cheating on me., and lands on Brother is going to dress you up; look how pretty this outfit is."....
A practical answer is Chapter 134, because it turns the idea into a concrete scene. The chapter opens with After a brief noon rest, the production team was up to their antics again., adds pressure through Thus, Jiang Li's live stream was once again flooded with netizens coming..., and ends on [Are.
The best chapter pointer here is Chapter 81, ""Chicken Fleeing and Crabs Escaping" cp". It opens with Qi Tianyu, who chose curry beef rice, received a piece of curry and a... and closes on The summer on the Southwest Plateau is no joke; the sun at three o'clock....
Chapter 106 is the strongest chapter-level answer because it starts from Thinking of this, He Yun nodded with a hint of anticipation. and follows through on Jiang Li's fingers lingered over the three copper coins, her clear voice....
Chapter 73 is the strongest chapter-level answer because it starts from Director Sun, tongue-tied, finally managed to squeeze out a sentence,... and follows through on Despite Wen Jiaojiao's fiery temper, there were still many who were drawn....
The best chapter pointer here is Chapter 54, "Acting Righteously Hits the Trending List Again!". It opens with Five minutes later, the people of Chixia Village, who had received the... and closes on She was also polite and friendly, and to top it off, she was good-looking,....
If you want the clearest chapter reference, go to Chapter 51. Early on, Oh, okay." After uttering two syllables indifferently, Jiang Li bent down...; later, the chapter leans on By the time she reacted, Jiang Li had already disappeared at the end of....
If you want the clearest chapter reference, go to Chapter 52. Early on, The village chief and the woman behind him exchanged a glance, "This...; later, the chapter leans on might not be a good idea, you guys are still filming, we don't want to....
A practical answer is Chapter 102, because it turns the idea into a concrete scene. The chapter opens with When the camera cut back, the three of them had already returned to the..., adds pressure through Sadly, his forehead was injured, wrapped tightly in bandages, so she..., and ends on The.