It's hard to say for sure. Some elements might be inspired by real events or people, but it's mostly a work of fiction and myth.
The Gilgamesh poem is more of a symbolic and allegorical work than a direct account of true events. It uses fictional elements to convey deeper meanings and themes.
Chapter 105 is the strongest chapter-level answer because it starts from But this did not elicit any sympathy from the woman on the phone; on the... and follows through on However, the next second, things took a turn..
Look to Chapter 115 for the clearest answer. It begins with Jiang Yan was woken by a loud crowing noise., keeps building through Annoyed, he opened his eyes and saw that the hen, which should have been..., and lands on [Pure bystander, wasn't Jiang Yan known as a notorious playboy?.
Look to Chapter 88 for the clearest answer. It begins with She wanted to refuse, but didn't have the courage to do so., keeps building through The Chen'an Entertainment she worked for was currently the largest..., and lands on Let's go," Jiang Li said in a soft voice..
Look to Chapter 53 for the clearest answer. It begins with Night had fallen over Chixia Village, eerily void of any human sounds., keeps building through Jiang Li followed the village chief's wife down a narrow path leading to..., and lands on Wait, did this kid accidentally fall into the water?].
If you want the clearest chapter reference, go to Chapter 73. Early on, Director Sun, tongue-tied, finally managed to squeeze out a sentence,...; later, the chapter leans on But isn't it due to your production team's lack of consideration?.
Chapter 117 is the strongest chapter-level answer because it starts from Fragrant and cloyingly sweet potatoes and corn were out of the pot, and Qi... and follows through on Since entering puberty, his mother had exerted strict control over his....
The best chapter pointer here is Chapter 106, "The Beginning of the Butterfly Effect". It opens with Thinking of this, He Yun nodded with a hint of anticipation. and closes on Jiang Li's fingers lingered over the three copper coins, her clear voice....
A practical answer is Chapter 111, because it turns the idea into a concrete scene. The chapter opens with The main room's door was pushed open just a crack, and the head of the..., adds pressure through Alright, those who think they're the king can step forward!" As soon as he..., and ends on.
The best chapter pointer here is Chapter 83, "Can Actually Carve Flowers?!". It opens with When they received the task, the three of them were already sharpening... and closes on Since all the guests were staying at Uncle Zhao's cabin, Director Sun....
The best chapter pointer here is Chapter 74, "Ordinary People". It opens with Having seen Jiang Li's ID before, he knew that this person named Shiguang... and closes on The man's phoenix eyes narrowed slightly, he looked at the girl sitting....