One popular theme is the exploration of fear. Since Scarecrow is the master of fear, fanfictions often delve deep into how different characters, especially Batman, experience and overcome fear. Another theme is the battle of wits. Batman is a brilliant detective and Scarecrow is a cunning adversary, so their mental duels are a big draw.
Redemption can also be a theme. Some fanfictions might explore the idea of Scarecrow having a change of heart or seeking redemption, and how Batman would react to that. It could add an interesting layer to their relationship. Additionally, the theme of Gotham's future often comes up. Writers may show how the actions of Scarecrow and Batman can shape the city, either for better or for worse.
The theme of psychological trauma is quite common too. Given Batman's past with his parents' death and Scarecrow's ability to manipulate the mind, fanfictions may explore how Batman's trauma can be both a weakness and a strength in his encounters with Scarecrow. And how Scarecrow might use that knowledge to his advantage.
Fear is the most common theme. Since Scarecrow is all about inducing fear, it's often central in these fanfictions. Writers explore how Batman overcomes or is affected by the extreme fear that Scarecrow creates.
One common theme is the psychological battle between Batman and Scarecrow. Since Scarecrow is all about fear, fanfictions often explore how he uses fear against Batman in a more personal or intimate way in a slash context.
One common theme is Scarecrow's fear toxins and how they affect different characters in the Batman universe. For example, seeing how Batman overcomes his worst fears induced by the toxin.
One popular theme is friendship. In many fanfictions, Dorothy and the Scarecrow's relationship deepens into a strong bond of friendship. They support each other through various adventures in Oz. Another theme could be self - discovery. The Scarecrow, who is always seeking a brain, might find that through his interactions with Dorothy, he's actually quite intelligent in his own way. And Dorothy, in turn, discovers more about her own courage and leadership skills. Also, there are fanfictions that explore the idea of home. Dorothy misses her home in Kansas, and the Scarecrow becomes an important part of her journey to either get back home or create a new sense of home in Oz.
One popular theme is Harley's redemption. Many fanfictions explore how the environment of Arkham City could be a catalyst for Harley to break away from the Joker's influence. For example, in some stories, Batman helps her see the error of her ways.
Romance is also a big theme. Many fanfictions explore the relationship between Batman and Black Canary. It could be a slow - burn romance where they gradually fall for each other while working together, or a more passionate, instant connection type of story. There are also fics that deal with the challenges they face as a couple, like Batman's brooding nature and Black Canary's independent streak.
One popular theme could be redemption. Maybe a character like Forgottenone Nick has done something wrong in the past and is seeking redemption within the Batman universe. Another theme might be identity. With Batman having his own secret identity, and Forgottenone Nick perhaps having a complex or hidden identity as well. And the theme of friendship or alliance could also be prominent, like how Nick might form an unexpected alliance with Batman or other characters in Gotham.
One popular theme is the exploration of their complex relationship. Fans often write about how Batman and Superman, with their different ideologies, come to understand and respect each other on a deeper level. Another common theme is the two heroes teaming up against a greater threat that neither could face alone. It could be a super - villain who has found a way to neutralize their individual powers. And sometimes, the theme of friendship turning into a more intense emotional bond is also explored in these fanfictions.
One popular theme is the clash of their ideologies. Batman is often portrayed as a dark and brooding figure who works in the shadows, while Arrow is more of a vigilante with a slightly different moral code. Their different approaches to justice can lead to some interesting confrontations in fanfiction. Another theme is team - ups. Writers like to explore what would happen if they joined forces against a common enemy, like a super - powerful villain. And of course, there's the classic battle theme, where fans want to see who would come out on top in a physical fight between the two.
In some fanfictions, Scarecrow is often depicted as a formidable foe to Batman. His fear toxins play a major role. Batman has to constantly overcome the extreme fears that Scarecrow induces. For example, in certain stories, Scarecrow may target Batman's deepest traumas, like the death of his parents, and use that to try and break him. This creates a very intense dynamic where Batman has to rely on his willpower and detective skills to outwit Scarecrow.