Another option is an ancient evil that was once sealed away by the Diamonds long ago. But due to some recent events in the Steven Universe universe, it is starting to break free. This evil force could target Blue Diamond because of her past actions and Steven because of his potential to stop it.
There are quite a few out there. You can start by looking on popular fanfic platforms like Archive of Our Own. Some fanfics might focus on their unique relationship dynamics, exploring how Greg's down - to - earth nature could interact with Blue Diamond's complex character.
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.
The relationship in the lemon fanfiction might be a total departure from the canon. Steven, with his empathetic nature, could be the one to break through Blue Diamond's shell. Writers may use this relationship to explore themes like forgiveness and growth. They might create scenarios where Steven and Blue Diamond have to work together, leading to a development of a unique connection that we don't see in the original series.
One common theme is redemption. Blue Diamond has done some not - so - great things in the past, and in the fanfiction, her relationship with Steven often serves as a path to her redemption. For example, Steven's kindness and understanding can make her see the error of her ways.
Tumblr also has a lot of fan - made content including fanfics about them. You can search relevant tags like #greg x blue diamond or #steven universe fanfic. There are often fanfic writers who post their works there and you might discover some hidden gems.
One common plot element is the exploration of Blue Diamond's past through her interaction with Steven. Another could be a situation where they are forced to rely on each other in a difficult situation. For example, they might be stuck in an alien environment together.
In fanfiction, Black Diamond's story can be used to explore themes like redemption and forgiveness. If she was once a tyrant, her journey towards becoming a better being can be a powerful narrative. It can also show how the other characters in the Steven Universe world react to her change, whether they are skeptical or accepting. This can create interesting character dynamics.
In Steven Universe fanfiction, Black Diamond is often depicted as a very powerful and mysterious character. Some fanfictions might explore her past, her relationship with the other Diamonds, and how she might interact with the main characters like Steven. For example, she could be portrayed as a reformed villain who is trying to make amends for her past actions.
There's a fanfiction called 'The Meeting of Hearts' which is quite good. In this, Steven and Blue Diamond start to understand each other's perspectives in a more profound way. It shows how their interactions can lead to changes in the gem society as they both bring different values to the table. The writing is very descriptive, making it easy to picture the scenes in your head.