A possible plot could involve a mystery surrounding an ancient power that only Blue Diamond and Pink Diamond together can unlock. It could start with strange events occurring in their realms that seem to be connected to this power. Also, a plot about them swapping places for a day and learning about each other's responsibilities and the challenges they face would be interesting. There could also be a story where they discover a hidden prophecy that involves their fates being intertwined in a way they never expected.
A plot could involve Jasper having flashbacks of her time with Pink Diamond. These memories could be bittersweet, like the times they fought side by side in battles. Jasper could then be on a quest to find out more about Pink Diamond's secrets, which leads her to interact with other gems who knew Pink Diamond in different ways.
One idea could be that Pink Diamond, using her gem powers, helps Naruto in a battle against a powerful new enemy in the Naruto universe. Maybe she can create barriers or illusions to confuse the foe. Another plot could involve Naruto teaching Pink Diamond about the concept of friendship and ninja values, which are so different from her gem world. And perhaps they team up to stop a common threat that endangers both the ninja world and Pink Diamond's realm.
One idea could be that Steven discovers a hidden memory of Pink Diamond that changes his perception of her. Maybe it reveals a side of her that was never known before, and he has to come to terms with this new understanding while also dealing with the reactions of the other Crystal Gems.
One idea could be a story where Blue Diamond and Yellow Diamond have to team up to face a new threat from a far - off galaxy. They put aside their differences and combine their powers in unique ways.
Well, perhaps there could be a plot where Greg is somehow transported to the Gem homeworld. Blue Diamond finds him there and is initially hostile as he is a human. But as Greg shows his gentle and creative side, Blue Diamond's perception of him changes. They could then embark on a journey across the Gem homeworld together, with Greg introducing Blue Diamond to human concepts like family and love in a more in - depth way, and Blue Diamond protecting Greg from the perils of her world. This journey would strengthen their relationship and lead to a unique form of connection between them.
Well, obviously Blue Diamond and Pink Diamond are the main characters. But there could also be their attendants. For example, Blue Diamond might have a loyal Pearl who is always by her side and has some influence on her decisions. And Pink Diamond could have her own set of followers like the Rose Quartz that were associated with her. Sometimes, other high - ranking gems from their courts might also play important roles, like Sapphires or Rubies.
One idea could be that Steven tries to understand Blue Diamond's past traumas and helps her heal. Maybe he uses his unique powers of empathy to break through her cold exterior.
One interesting idea could be the cultural exchange between Pink Diamond and Steven. Since they come from different backgrounds within the Gem world, their meeting might lead to a sharing of unique abilities and knowledge.
There's also the 'secret relationship' trope. Considering their status in the Diamond Authority, a relationship between them might have to be kept a secret at first. Fanfictions might explore the challenges and thrills of keeping such a relationship hidden from the other Diamonds and the rest of the Gem society.
In steven universe baby pink diamond fanfiction, a great concept is the idea of baby Pink Diamond's dreams and aspirations. Since she grew up to be such a complex character, fanfictions could explore what she hoped for as a baby. Did she dream of ruling over planets? Or was there a part of her that always desired something different? Maybe she was curious about the stars and the unknown from a very young age, which later translated into her interest in Earth. Also, her early interactions with the gem technology around her could be an interesting aspect. How did she learn to use her gem powers? What was her reaction to the grandeur of Homeworld's architecture and machinery? All these elements can make for very engaging fanfiction stories.