The theme of bats being nocturnal also plays a role. Their night - time activities can be a source of intrigue. In some stories, they are the only ones aware of what happens at night, and they hold secrets that are only revealed when the sun goes down. This gives them an air of mystery and power as they are in control of the night - time knowledge.
One common theme is adventure. Since Rouge is often depicted as a daring character, many fan fictions send her on exciting adventures. Another theme is self - discovery. As she is a complex character, fan fictions like to explore how she learns more about herself. And of course, there's the theme of loyalty, as she has to decide who she is loyal to in different situations.
A prevalent theme is the struggle between Terry's normal life and his life as part of the Bat family. It's about how he balances school, friends, and being a hero. Also, the theme of legacy comes up a lot. He has to deal with the huge legacy of Batman and the Bat family. There are also fanfics that explore his relationships with other young heroes in the Bat family, which is also a recurring theme.
Identity is a big theme. Nightwing has his own identity separate from being Robin or part of the Bat family, and fanfics often explore how he balances that. Also, redemption can be a theme in some cases, especially when dealing with his past mistakes or the mistakes of the Bat family as a whole. It's about making things right and growing as a character.
One common theme is moral ambiguity. Since it's about a 'criminal' bat clan, the line between right and wrong for the characters becomes blurred. Another theme is power struggles. Within the clan, different members may vie for power using criminal means. And secrecy is also a big theme, as they often have to keep their criminal activities hidden.
The theme of family also sometimes comes up. Bat Girl has her own family ties within the Batman lore, and Flash has his own set of relationships in Central City. Fanfictions may explore how their respective family situations affect their relationship with each other. For example, Bat Girl's connection to Batman might influence how she approaches team - ups with Flash, and Flash's friends and family could play a role in how he views his interactions with Bat Girl.
Another theme is discovery. Bat ponies may discover new powers or parts of the Equestrian world. In some fanfics, they might find hidden caves or ancient magic that only they can access because of their unique nature as bat ponies. This makes for exciting adventures.
There are several common themes in 'oc x rogue the bat fanfic'. One of the most prominent is the theme of acceptance. The oc may be an outsider in some way, and Rogue has to accept them or vice versa. There's also the theme of loyalty. They might face situations where their loyalty to each other or to their friends is tested. And of course, the theme of love, whether it's a slow - burning love or a more immediate attraction, is often explored in these fanfics.
One common theme is the clash of different power sets. Danny has his ghost powers while the Bat Family has their own set of skills and gadgets.
One common theme is the idea of being an outcast. Since bat ponies are often different from the regular ponies in MLP, they are sometimes depicted as outcasts in fanfiction, having to prove their worth.
One common theme is the idea of an outsider. Since the bat is not a typical character in the Hunter x Hunter world, it often represents an outsider looking in. Another theme is adaptation, as the bat has to adapt to the strange rules and powers in the world.