Yes, there are likely some fanfictions with that theme. You can try searching on fanfiction websites like Archive of Our Own or FanFiction.net. There are many creative fans who might explore the idea of Harry Potter being a friend to goblins, perhaps delving into different plotlines and character interactions that didn't occur in the original books.
Sure. Fanfiction is a vast world, and the concept of Harry Potter being a friend to goblins has potential for interesting stories. Some fanfictions might focus on how this friendship could change the power dynamics in the wizarding world. For example, goblins have their own culture and magic in the Potterverse, and a friendship with Harry could lead to new alliances or ways of dealing with the wizard - goblin relations that were often strained in the official stories.
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 89, "Brother He, how can you be so unreasonable too?!". It opens with Director Sun took a step back, "What's the rush? and closes on If anyone should be mocking her, it should be me.] Wen Jiaojiao stood to....
Look to Chapter 140 for the clearest answer. It begins with In the evening, the setting sun was like blood, dyeing the entire earth a..., keeps building through Although there had been a cool breeze in the mountains in the afternoon,..., and lands on I was just joking, just joking." Seeing that.
The best chapter pointer here is Chapter 153, "Word Spreads, Director Sun Takes the Lead in Shipping the CP!". It opens with Wisps of smoke gradually rose from the small kitchen. and closes on After leaning in, he saw Jiang Li and Zhao Lang inside the kitchen..
If you want the clearest chapter reference, go to Chapter 133. Early on, Watching Jiang Li and the others finish their meal and tidy up the table,...; later, the chapter leans on But when he went to the firewood shed to find a convenient wooden tub, he....
The best chapter pointer here is Chapter 108, "Without accumulating virtue through words, calamities of bloodshed will only increase, not decrease.". It opens with In a glamorous Michelin three-star restaurant, Su Yinwan and Shang...
If you want the clearest chapter reference, go to Chapter 131. Early on, Just around mealtime, Director Sun came over pushing his small food cart.; later, the chapter leans on There was a loudspeaker tied to the top of the cart, which was....
If you want the clearest chapter reference, go to Chapter 126. Early on, Wen Jiaojiao initially wanted to cause trouble.; later, the chapter leans on But when her gaze swept around and landed on Jiang Li, who was standing at....
A practical answer is Chapter 80, because it turns the idea into a concrete scene. The chapter opens with Jiang Yan and Wen Jiaojiao, one so smug he was almost ascending to the..., adds pressure through There's abalone, eels, crabs, isn't that tycoon enough?" "Hang on." Shu..., and ends on.