Regret is a very common theme. Since the characters are going back in time, they often think about the things they did wrong before and try to correct them.
Well, self - discovery is also quite common. When characters go back in time, they often see their old selves in a new light. They might realize things about their personality, their values, and their relationships that they didn't before. This can lead to a journey of self - exploration and growth. In some fanfictions, the character may have forgotten who they really were in the past, and going back in time helps them to rediscover their true identity.
Another theme is redemption. By going back in time, characters get the opportunity to make up for their past misdeeds and become better versions of themselves. For example, in many stories, a character who was once a villain can turn into a hero by changing their actions in the past. It's also about second chances. Characters are given a new opportunity to live a different life or make different choices, which can lead to different outcomes for themselves and the people around them.
The theme of changing fate also frequently appears. Shirou going back in time means he has the opportunity to change the fate of his friends, his city, or even the whole world. He has to make decisions that could completely rewrite the future, and this struggle between his desire to change things and the potential consequences is often explored in these fanfictions.
One common theme is redemption. Naruto often goes back in time to right the wrongs of the past, whether it's saving a fallen comrade or preventing a great disaster. Another theme is self - improvement. He uses the knowledge from his future self to become a better shinobi faster.
Another theme is power. She may use her knowledge of the future to gain power or influence in the past. This could be political power, like influencing the decisions of the lords, or personal power, such as learning combat skills earlier. It's about how she can rewrite her own story with the advantage of hindsight.
One common theme is self - discovery. When Natsu goes back in time, he often learns more about himself, his powers, and his past. For example, he might find out things about his family or how he came to be who he is.
One common theme is redemption. Jon often goes back to correct past mistakes, seeking to atone for things he did wrong in the original timeline. Another theme is the butterfly effect. His actions in the past can have unexpected and far - reaching consequences in the future.
One common theme is redemption. Ichigo might go back in time to fix his past mistakes, like not being able to save someone. Another theme is power - up. Since he has the knowledge of the future, he can train differently in the past and gain stronger powers. Also, relationship repair is a theme. He could go back to mend broken relationships with his friends or family.
Some common themes could be time travel adventures. Natsu might go back in time to prevent a disaster in the Fairy Tail world. Another theme could be self - discovery. As he travels back, he learns more about his past and his true potential.
One frequent theme is changing the course of history. Since they are going back in time, they might try to prevent certain bad events from happening or make better choices for their group or the world they are in. Also, the theme of friendship and loyalty often comes up. They have to rely on each other in this new time - traveling adventure, which can strengthen their bonds.
One common theme is redemption. When Dean goes back in time, he often tries to right the wrongs of the past, whether it's saving someone who died too soon or preventing a bad event from happening. Another theme is self - discovery. By being in a different time, he gets to see himself and his relationships in a new light.
One common theme is redemption. Lucius, being a former Death Eater, often has a chance at redemption as he travels back in time with Harry. Another theme is the exploration of family history. They might discover things about their families that were previously unknown. For example, they could find out about old alliances or feuds.