The theme of power dynamics is also quite common. Blue Diamond is extremely powerful, and the reader is usually much weaker in comparison. Fanfictions often play with this dynamic, showing how the relationship can develop despite the vast power difference. It can be about the reader challenging Blue Diamond's power, or Blue Diamond learning to respect the reader's unique qualities in spite of their lack of power.
One common theme is the exploration of an unlikely relationship. Since Blue Diamond is such a powerful and complex character, it's interesting to see how she interacts with an ordinary reader - insert. Another theme is the redemption arc. Sometimes Blue Diamond is portrayed as having a change of heart through her relationship with the reader.
One common theme is loyalty. Blue Pearl is extremely loyal to Blue Diamond in the original show, and fanfictions often explore the depths of that loyalty and how it could develop into a deeper relationship.
One common theme is their relationship repair. Given their complex relationship in the show, fanfictions often explore how they might overcome their differences and become closer. For example, some stories might have them having heart - to - heart conversations and understanding each other better.
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.
Emotional exploration is quite common. Since they are complex characters, fics might look at their hidden emotions, like love, envy, or respect. For example, a fic could show how they struggle to understand their feelings for each other. Friendship or a deeper relationship is also a theme that comes up a lot in these fics.
One popular theme is redemption. Since Blue Diamond was initially an antagonist, many fanfictions explore her journey towards redemption through her interactions with Steven. Another theme could be friendship. Steven has a way of befriending almost everyone, and his relationship with Blue Diamond in fanfics can show a unique kind of friendship.
One common theme could be the exploration of differences. Since Blue Diamond is a powerful gem and a human is, well, a human, the story might focus on how their natures, abilities, and cultures are different. Another theme could be acceptance. As the story progresses, they may come to accept each other's existence and even form a bond. Also, redemption can be a theme. Maybe Blue Diamond has some past actions she regrets, and the human helps her find a way to make up for it.
Many Blue Exorcist x Reader fanfictions also explore the theme of redemption. Maybe the reader character has a past they're not proud of, or they encounter a character from the show who is in need of redemption. It can be a really interesting way to develop the story and the relationships between the characters. Also, the theme of loyalty is common. The reader character might have to prove their loyalty to their friends or the exorcist order, and this can lead to some great character - driven storylines.
Power and responsibility is also a theme. Given that Steven has unique powers and Blue Diamond has her own vast power and influence. Fanfictions often explore how they use or should use their powers and the responsibilities that come with them. In some stories, they work together to solve problems that require both of their powers and the right mindset to take on the associated responsibilities.
One common theme is adventure. The reader often gets caught up in Blue Beetle's exciting superhero world. Another is romance, as the relationship between the reader and Blue Beetle is a central focus. And there's also the theme of self - discovery, where both the reader and Blue Beetle might learn something about themselves through their interactions.
One common theme is the development of a romantic relationship between Karma and the reader. It often involves the two getting to know each other, facing challenges together, and falling in love. Another theme could be adventure, where they go on some sort of journey together, whether it's in the world of the anime or in a completely new setting.