One interesting headcanon could be about the backstories of the Servants. For example, there might be a headcanon that a certain Servant had a secret friendship in their past life that influenced their character in the game. Another could be related to the magic system in the Fate Grand Order universe, like a unique way of casting spells that isn't shown in the main story.
One common theme is her search for knowledge. Since she is an archaeologist in the original series, many fanfictions expand on her thirst for learning about the world's history. For example, stories might have her discover long - lost civilizations.
Yes, there might be some popular ones. 'Robin's Forbidden Love' could be considered popular in some fanfic circles. It may deal with a relationship that is somehow forbidden for Robin, and within that context, there are lemon - like moments that add to the tension and passion of the story.
They are also both key members of the Straw Hat crew. In fanfiction, their relationship can be explored in different ways. For example, Luffy's unwavering trust in Robin and Robin's respect for Luffy as the captain can be the basis for many stories. Their combined abilities, Luffy's physical strength and Robin's knowledge of the world, can lead to exciting adventures in fan - created stories. Also, the mystery surrounding Robin's past and Luffy's dream of becoming the Pirate King provide rich material for fanfiction writers to build on.
Well, finding a good 'nico robin pregnant fanfic' can be a bit of a challenge. First, you need to make sure the platform you're using has a section for One Piece fanfics (since Nico Robin is from One Piece). Some fanfic writers might explore this idea in a creative way, perhaps delving into how her character would handle pregnancy within the context of the One Piece world, with its unique challenges and adventures. However, it's important to approach fanfic with an open mind as the quality can range from excellent to not so great.
One common theme could be the exploration of how Nico Robin's character changes during pregnancy. Given her complex backstory in One Piece, it might focus on her dealing with new emotions and insecurities. Another theme could be the reactions of her crewmates, like how Luffy and the others support her through this new phase of life.
Another theme is the exploration of Robin's past. The OC can be used as a tool to dig deeper into Robin's history as an archaeologist and her experiences growing up. They could go on quests to find more about her lost heritage or the secrets of the Poneglyphs. This adds more depth to Robin's character.
Well, 'A Scholar's Bond with Robin' is another great one. The OC in this is a fellow archaeologist who shares a deep intellectual connection with Robin. They explore ancient ruins together, and the story is filled with interesting historical references and character development that fans of Nico Robin would surely enjoy.
A different approach could be a fanfic where Nico Robin discovers she's pregnant first, and Nami later. Robin could be more calm and collected about it initially, while Nami is a bit more panicked. But as time goes on, they both grow into their new roles as future mothers. The story could also explore how their pregnancies change their relationships with the other crew members and their own personal goals.