The theme of encountering different versions of characters is also prevalent. In time travel, demigods might meet their past or future selves, or other characters in different states. This can lead to interesting interactions, like when a demigod from the present meets a more naive version of a friend from the past and has to decide whether to reveal things about their future.
Another theme is changing the past or future. Demigods may try to prevent a tragic event from happening in the past or ensure a better future. This adds a lot of drama and tension to the story, as they have to deal with the consequences of their actions in the time - travel continuum.
One common theme is self - discovery. When demigods travel through time, they often learn more about themselves, their powers, and their place in the world. For example, they might discover a hidden ability that only becomes apparent in a different time period.
The theme of identity is also common. When demigods go back in time, they may have to hide their true identities to fit in or face challenges because of their different nature. Also, there's often a sense of adventure. They are in a new, yet old, world and they have to navigate through different cultures and situations, which makes for an exciting read in fanfiction.
One common theme is changing the past. Fans often write about characters trying to go back and fix things that went wrong in the original 'The 100' storyline. Another theme is the exploration of different time periods within the show's universe. This allows for new settings and character interactions.
In these fanfictions, a prevalent theme is the exploration of their heritage. They have to figure out who their demigod parents are and what that means for them. Another theme is the change in their relationships. For example, how they interact with other characters in the wizarding world and how the demigod community views them. Additionally, the theme of self - discovery is quite common. As demigods, they learn more about themselves and their capabilities, which is different from their self - understanding as wizards.
One common theme is the clash of two different worlds. The teacher represents the normal, mortal world, and the demigods are from a world full of magic and danger. Another theme could be the teacher becoming a mentor or a guide to the demigods, despite not having the same powers.
The theme of destiny is quite common. Ash may travel through time to fulfill a certain destiny that he was unaware of in his normal timeline. He could be the key to preventing a great disaster in the Pokémon world's past or future. Additionally, the concept of cultural differences in different time periods is explored. He experiences different training styles, values, and ways of life as he travels through time.
One common theme is changing the past. In these stories, characters often go back in time to prevent a tragic event in the supernatural world from happening. For example, they might try to stop a powerful vampire from being created.
One common theme is the use of modern military knowledge in historical battles. For example, a character might use advanced weaponry concepts from the present in an ancient war.
One common theme is redemption. Firestar often goes back in time to correct past mistakes, either his own or those of the clan. For example, he might try to prevent a wrong decision that led to a battle or the loss of a cat.
One common theme is self - discovery. As Castiel travels through time, he often learns more about himself, his purpose, and his place in the grand scheme of things. For example, in many fics, he realizes things about his past actions that he didn't fully understand before.
Power alteration is a frequent theme. When characters time - travel in Hellsing fanfiction, their power levels can change relative to the time period they are in. Also, the exploration of lost or forgotten Hellsing history is common. Time travel allows the story to dig into parts of the Hellsing lore that were previously unexplored. For instance, seeing how the Hellsing family started or what the first vampire slayers were like.