To forge a great Harry Potter fanfiction, start with a unique concept. It could be a story set in a different era of the wizarding world, like during the Founders' time. You can also play with character relationships, such as exploring what would happen if Hermione had been sorted into Slytherin. The key is to let your love for the magic of Harry Potter guide your creativity.
Perhaps he realizes that the fanfiction is taking him in a direction that doesn't align with his true character. Harry is known for his integrity, and if the fanfiction was making him act out of character, he might give up.
Fred and George Weasley are beloved in fanfiction. In the context of the Goblet of Fire, they could be involved in some wild schemes related to the tournament, like creating their own magical items to help Harry or just causing general chaos and hilarity around the events of the Triwizard Tournament.
One interesting plot could be an alternate version of the Triwizard Tournament where the tasks are even more dangerous and magical creatures from other regions are involved. For example, instead of just a Hungarian Horntail, there could be a whole nest of them to face in the first task.
Well, 'Harry Potter Celestial Forge Fanfiction' could be about integrating the concepts of the Celestial Forge, which might involve some sort of powerful, perhaps magical or otherworldly crafting system, into the Harry Potter universe. It could be about a character using the Celestial Forge to create unique magical items, or it could deal with how the existence of the Forge changes the power dynamics and storylines within Hogwarts and the wizarding world at large.
It might imply that within the context of a Goblet of Fire - themed fanfiction, Harry Potter reaches a point where he can no longer continue. He could be tired of the events, or perhaps he realizes that the path he was on in the fanfiction was wrong. For example, if the fanfiction had him in a dangerous situation in the Triwizard Tournament that was getting out of hand, he might choose to give up to protect himself or others.
One possible reason could be Snape's sense of duty to protect Hogwarts students in general. Even though he dislikes Harry, he might put aside personal feelings to ensure the safety of a student in a dangerous tournament like the Triwizard Tournament. Another reason could be Dumbledore's influence. Dumbledore trusts Snape and may have asked him to keep an eye on Harry during this event.
In many of these fanfictions, Norbert's relationship with Hagrid is often explored further. For example, in some, Norbert misses Hagrid deeply after being sent away. Another interesting plot point can be Norbert's impact on the magical environment around Hogwarts. Since he's a dragon, his presence can cause all sorts of magical disruptions.
One great 'Harry Potter Norbert GOF fanfiction' is 'Norbert's New Adventure'. It explores what could have happened to Norbert after he was sent away in 'The Goblet of Fire'. Another interesting one is 'Norbert and the Forbidden Forest', which delves into Norbert's possible interactions within the Forbidden Forest.