Dumbledore often makes an appearance in such fanfiction. He might be the one who gives Harry and Hagrid their special tasks or provides guidance. Another popular character could be Hermione. She could be the one who helps Harry and Hagrid with research or comes up with clever solutions when they are in a bind. Ron might also be there, adding some humor to the story and being Harry's loyal friend as usual.
The exploration of the wizarding world is also common. Since Hagrid has a deep connection to the wilder parts of the wizarding world, fanfictions may use their relationship to show readers more about the Forbidden Forest, magical creatures, and other aspects of the magical realm that we don't see as much in the original books.
Friendship is a very common theme. Given Hagrid's role as a sort of father figure to Harry, many fanfictions explore the depth and growth of their friendship over the years. It's about how they support each other through difficult times at Hogwarts.
In certain Harry and Hagrid lemon fanfiction, a plotline could revolve around Hagrid teaching Harry more about the care of magical creatures in a very hands - on way. They might spend days in the forest, observing and interacting with different beasts. Another possible plot is that Harry discovers Hagrid has a special connection to an ancient magic that he wants to learn about. So they embark on a quest to uncover the secrets of this magic. There could also be a plot where they are both involved in protecting Hogwarts from a new and unknown threat, with Hagrid using his strength and Harry his quick thinking and magical abilities.
There are some fanfictions that delve into Hagrid's backstory and how it intersects with Harry's journey. For example, there might be stories where Hagrid's family history or his time at Hogwarts as a student is explored in relation to Harry's experiences. This can create really interesting storylines that give new perspectives on their relationship.
One common theme could be exploring a different kind of relationship between Harry and Hagrid. It might involve a deep emotional bond that is taken to a romantic level. Another theme could be the idea of an underdog relationship, as Hagrid is often seen as an outcast in some ways and Harry has his own struggles. However, it should be noted that this is not in line with the original story's intentions.
It depends. While some 'harry potter and hagrid slash fanfiction' might be written in a way that is more innocent and focuses on friendship aspects that are misinterpreted as something else, a lot of it is likely to have adult - themed content. The original Harry Potter books are for a general audience, but slash fanfiction often veers into territory that is not appropriate for kids or those who prefer to stick to the original tone of the story.
In some fanfiction, Hagrid might be the one to finally reveal to Harry all the secrets about his parents that Dumbledore had been holding back. This could lead to a whole new set of adventures for Harry as he tries to come to terms with this new information. Also, there could be stories where Hagrid and Harry team up with some of the other Hogwarts professors to fight a new dark force that is emerging, with Hagrid using his knowledge of magical creatures to their advantage.
One interesting fanfiction could be about Hagrid taking Harry on a secret adventure in the Forbidden Forest before he starts at Hogwarts. They might discover a new magical creature that has been hidden there for centuries.
Then there is 'PotterFanFictionPro'. This author is good at adding new twists to the relationship between Harry and Hagrid. They might write a story where Hagrid accidentally casts a spell on Harry that gives him a temporary ability to understand the language of all magical creatures, and they explore how this new ability affects their relationship and the adventures they go on together.