Well, there's the theme of fate. Time travel makes them question whether their relationship is fated or if they can change the course of their relationship through their actions in different time periods. There's also the theme of loss. As they move through time, they might lose people they've met in other time periods, and this affects their emotional state and their relationship. The theme of adaptation is also important. They need to adapt to the new environments and situations in different times, and this shows different aspects of their characters and how they interact with each other.
One common theme is self - discovery. When traveling through time, the characters often learn more about themselves. Another theme is the test of their relationship. Different time periods put stress on their bond, and they have to work through it.
The theme of changing the past or future is quite common. In many birdflash time travel fanfic, they try to correct something in the past or prevent a bad future. Also, the exploration of different historical settings is a big part of it. It gives a chance to show how the characters would fit into different cultures and time frames. For example, they might have to deal with the strict social hierarchies of a particular era. And all these themes interact with their relationship, sometimes strengthening it and sometimes putting it to the test.
One common theme is friendship. They often start as friends and then their relationship deepens. Another theme is adventure. They go on exciting adventures together.
One common theme is the struggle between love and duty. Since Flash might be a vampire hunter or have some obligation to protect humans from vampires like Bird, they often have to decide between their feelings and what they think is right. For example, in many stories, Flash has to fight his attraction to Bird because of what Bird is.
Another theme could be the power dynamics. Given that vampires often have enhanced abilities, it can create an interesting dynamic in their relationship with Birdflash. They might have to figure out how to balance their different levels of power.
One common trope is miscommunication. For example, one character might misinterpret the actions of the other, leading to jealousy. Say, Flash might see Bird interacting closely with another hero and jump to the wrong conclusion.
One popular birdflash time travel fanfic is 'Time's Tapestry'. It takes the characters on an exciting journey through different eras, exploring how their relationship evolves in various historical contexts.
A prevalent theme is adventure. Since they are often in a superhero - like setting, the fanfictions usually involve them going on various adventures together. Love and relationships are also common, especially how Fem Robin's relationships with Birdflash develop over time. This includes both platonic and romantic aspects.
Another theme is fixing the past or changing the future. They might go back in time to prevent a bad event from happening, like a villain's rise to power. Or they could travel to the future to see the consequences of their current actions and then come back to make changes in the present.
One common theme is changing the past. In 'bell time travel fanfic', the character associated with 'bell' might go back in time to prevent a certain event from happening. For example, to stop a disaster or save a loved one.
One common theme is self - discovery. When Sakura travels through time, she often has to re - evaluate who she is. For example, if she goes to a time when she was less confident, she realizes how far she has come. Another theme is changing the past or future. Sakura might try to prevent a tragedy in the past or ensure a better future for her village.
Common themes in 'Avengers time travel fanfic' include the preservation of the timeline. The Avengers are usually trying to make sure that the time - space continuum remains intact while still achieving their goals. Another important theme is the exploration of historical events within the Marvel universe. Writers like to send the Avengers back to important moments in history, such as the creation of the Infinity Stones, and show how they interact with those events. This not only adds depth to the story but also allows for creative reinterpretations of the established Marvel lore.