Well, in 'babies are for keeps harry fanfiction', it could be that the story focuses on how babies change the lives of the characters in the fan - made Harry Potter world. It might explore the emotional, social, and family - related aspects that come with the presence of babies. For example, a character might have to balance their magical duties with raising a child, or there could be a plot around protecting a baby from some sort of danger in the wizarding world.
Since it's a Harry Potter fanfiction, it could involve the main characters from the original series like Harry, Hermione, and Ron. Maybe they are the ones dealing with the situation of the babies being 'for keeps'.
In this fanfiction, perhaps Harry might face many challenges while trying to keep Norbert hidden. He could be sneaking around Hogwarts, making sure Norbert is fed and taken care of without getting caught by the teachers. Maybe he enlists the help of his friends like Ron and Hermione to create a secret hiding place for Norbert.
One reason could be to explore a different side of Harry's character. In the original books, he's very much a social character in some ways, but by having him keep to himself, the author can show his more introverted and introspective side.
Well, 'fenrir keeps harry just for children fanfiction' could potentially be a story where Fenrir has some sort of relationship with Harry that is centered around children. Maybe Fenrir is protecting Harry for the sake of children in the story's universe. Or it could be that Harry is in Fenrir's care for reasons related to the well - being of children in that fictional world. However, this is all speculation without actually reading the fanfiction.
Obviously, Harry Potter is one of the main characters. He is the one who is trying to keep Norbert. And Norbert himself is also kind of a main character in a sense, as the whole story revolves around Harry keeping him. Hagrid might also be an important character as he was the one who brought Norbert to Hogwarts in the first place.
Well, perhaps it could be about their families being friends, so they are introduced as babies. Then as they grow up, they have a special bond that's different from others around them.
Fanfiction about babies can be really cute. You could start by thinking about the world you want to place the baby in. For example, if it's a fantasy setting, perhaps the baby has some special powers. Spell might refer to the magic spells in such a world that could affect the baby's life. You need to develop the plot, characters, and the overall story arc for your fanfiction.
Obviously, Harry Potter is one of the main characters as the title implies he is the one who keeps the Deathly Hallows. Hermione Granger and Ron Weasley are likely to be important as well, as they are Harry's closest friends and would probably be involved in whatever adventures or challenges come with Harry having the Hallows.