One common theme is redemption. Both characters have a lot of darkness in their pasts, and in some fanfics, they find a way to redeem themselves through their relationship. For example, they might encourage each other to move away from their villainous ways.
Well, there's 'Fusion of Powers' in the 'dabi x shigaraki fanfic' genre. This one is cool because it imagines what would happen if they combined their powers. It's a very creative take on their relationship. And 'Unexpected Comrades' is also worth reading. It shows their journey from being just acquaintances to something more, with some really heart - touching moments.
You can try Archive of Our Own (AO3). It has a large collection of fanfics, including many 'dabi x shigaraki' ones. Just use the search function on the site.
Another theme is the exploration of their differences. Shigaraki represents chaos and destruction while Deku represents hope and heroism. Fanfics usually explore how these two opposing forces interact and influence each other. For example, in some fanfics, they start to understand each other's perspectives better as they spend more time together.
One popular shigaraki x dabi fanfic is 'Fractured Bonds'. It delves into their complex relationship within the context of the My Hero Academia universe. The story shows how their different personalities and backstories interact and create a unique dynamic between them.
One common theme is the idea of redemption. Dabi, with his troubled past, often has a journey towards redemption in these fanfics, and Deku can be a big part of that. Another theme is the exploration of power dynamics. Deku has his own unique power, and Dabi has his, and how they interact with each other in different situations is often explored.
In a 'dabi x deku fanfic', the backstories play a huge role. Dabi's tragic past as a Todoroki and Deku's journey from being quirkless to a hero are often interwoven. It creates a contrast and also a connection between them. Also, the development of their relationship, whether it's a friendship or something more, is a central part. It usually starts with distrust and slowly evolves as they get to know each other better.
One great 'Shigaraki x Deku' fanfic is 'Unlikely Bonds' which explores a unique friendship-turned-something -more between them. It delves deep into their complex characters and how they might interact in different scenarios outside of the main plotline.
Typically, one key element is the dynamic between the alpha - like Dabi and the omega Deku. There's often a push - and - pull relationship. Another element is the exploration of Deku's omega traits, like his nurturing side or his vulnerability. And of course, the development of their relationship, from initial distrust to something more affectionate.
One popular 'dabi x deku fanfic' is 'Unlikely Bonds'. It explores an alternate universe where Dabi and Deku have to team up against a common enemy. Their relationship starts off rocky but gradually develops into an interesting dynamic with great character development.