There are many great ones. For example, 'Rarity's Fashion Fiasco' is a humorous fanfiction where Rarity's latest fashion collection has some unexpected glitches. It's really funny to read how she tries to fix them. 'Rarity and the Unicorn's Curse' is a more serious one, where Rarity has to break a curse that is affecting her magic. And 'Rarity's New Friend' tells the story of how Rarity befriends a new pony who has a very different style from her own.
One great 'My Little Pony Rarity OC fanfiction' is 'The Fashionable Adventure of Rarity's OC'. It shows how Rarity's original character interacts with the existing MLP world in a very stylish way.
Well, there's a fanfiction called 'Rarity's Secret Helper'. It's about Spike secretly helping Rarity with her fashion shows without her knowing at first. And 'Spike's Big Surprise' is also good. In it, Spike plans a huge surprise for Rarity that involves her favorite things like beautiful fabrics and jewels.
One interesting story could be about Rarity and Spike going on an adventure to find a rare gem for Rarity's new collection. Along the way, they face various challenges and learn more about their friendship.
The relationships of Nightmare Rarity in fanfiction are also quite fascinating. She could have a complex relationship with Twilight Sparkle, for example. Maybe they were once friends but now are enemies because of Nightmare Rarity's new form. Fanfiction writers play with these dynamics to add depth to the story.
One great 'My Little Pony Rarity and Fancy Pants' fanfiction is 'A Fashionable Encounter'. It beautifully depicts their interactions in the glamorous world of Equestria fashion. The story has Rarity getting a chance to collaborate with Fancy Pants on a huge fashion project. Their different styles blend in an interesting way that makes for an engaging read.
One popular fanfiction could be 'A Dash of Rarity' which explores their friendship in an interesting adventure. It has great character interactions.
Well, self - discovery is also a common theme. Rarity often has to learn more about herself, her talents, and her limits in fanfictions. Sometimes she might face a situation where she has to question her values in fashion or friendship. Also, magic can be a theme. As a unicorn, her magic is an important part of her character, and in some fanfictions, she might have to use it in new and unexpected ways to solve problems.
One popular MLP Rarity and Spike fanfic is 'A Tale of Two Friends'. It beautifully explores their unique friendship, with Rarity's elegance and Spike's loyalty. Another one could be 'Rarity's Little Helper', which shows Spike assisting Rarity in her fashion projects in a very endearing way. And there's also 'The Bond of Rarity and Spike', which delves deep into how they support each other through various challenges in Ponyville.
One common theme could be how Rarity's friends support her during her pregnancy. In the My Little Pony world, friendship is very important, so her friends like Twilight, Applejack, etc. might be there for her, bringing her food, helping with her work, and just being there emotionally.
Some common themes are loyalty and trust. Given their relationship, fanfic writers like to play with the idea of how far they'll go to trust and be loyal to each other. For example, in some stories, Spike has to keep Rarity's secrets even when it's difficult. Also, the theme of growth is popular. As Spike grows up, his relationship with Rarity changes, and this can be a rich area for fanfictions to explore. They might also face some sort of danger together, which tests their relationship and leads to new developments between them.