One possible fanfiction could be about Lapis and Peridot fusing during a time of great danger on Earth. They fuse to protect their friends and the planet from a new, powerful enemy. Their combined powers create a unique and beautiful form that has abilities neither of them had alone.
The real doll in such stories can be based on various elements. It could be based on a character's desires or fears, or it might symbolize certain qualities or emotions. Sometimes, it's just a random creation to add an element of mystery or fantasy.
Yes, there are many. You can start by looking on fanfiction.net or Archive of Our Own. Just search for 'Steven and Peridot love' and you'll find a variety of stories with different takes on their relationship.
In fanfics, Peridot is often depicted as highly intelligent. She brings her tech - savvy knowledge from Homeworld and uses it in various situations on Earth. For example, she might use her understanding of Gem technology to fix something that the Crystal Gems are having trouble with.
Some fanfictions might focus on the anticipation and excitement of new life. They could explore Peridot's dreams and hopes for the future with her unborn child, and how she prepares for motherhood. It could also involve her learning new things about herself and growing as a character during this pregnancy journey, which is often more than just the physical aspect but also an emotional and spiritual growth.
Friendship is a very common theme. They often start as friends or comrades and the fanfic may explore how their friendship evolves. For example, in many fanfics, they support each other through difficult times.
One interesting story could be about Peridot and Lapis exploring a new planet together. They might encounter strange creatures and have to use their unique powers to survive. For example, Peridot's technical skills could help them build a shelter while Lapis uses her water powers to find a water source.
Well, one aspect could be the unique relationship between Peridot and Steven in the fanfic. Peridot is such an interesting character with her growth and development throughout the series, and when paired with Steven, there can be many new storylines. Maybe it focuses on their friendship deepening into something more, or perhaps it's about them going on adventures together that are different from the main plot of the show.
One common theme is redemption. Jasper, who was initially an antagonist, might be on a journey of redemption and find love and acceptance with Peridot. For example, in some stories, Jasper realizes the error of her ways through her relationship with Peridot.