A third theme could be reminiscing. Sasuke has a complex past, and in his alone time, he may remember the good times he had with Naruto, Sakura, and Kakashi. This can add a touch of sentimentality to the fanfiction and also show his growth as a character over time.
One common theme is solitude and self - discovery. Sasuke is often portrayed as using his alone time to understand himself better, to figure out his true goals and desires away from the influence of others.
Sasuke's alone time in fanfiction could involve him training intensively. He might be in a secluded forest, practicing his new jutsu. His Sharingan could be glowing as he focuses on perfecting his moves, lost in his own world of self - improvement.
One common theme is redemption. For example, Sasuke might go back in time to right his past wrongs. Another theme is the alteration of destiny. They might try to change certain events to create a better future for the ninja world. Also, self - discovery is often present as they learn more about themselves through their experiences in different time periods.
One common theme is redemption. For example, Hinata might travel back in time to try and save Sasuke from his darker path. Another theme is the exploration of alternate relationships. Since Hinata and Sasuke don't have a major relationship in the original Naruto series, in these fanfictions, their relationship gets explored in new and interesting ways.
Another theme is self - discovery. By going back in time and seeing their past selves, they learn more about who they are and how they've changed. Naruto might realize how much he's grown in terms of his ninja skills and his relationships. They also understand their roles in the grand scheme of things better.
One common theme is the chance to rewrite history. Since it's time travel, Sakura or Sasuke often get the opportunity to change events that they regret in their original timeline. For example, Sakura might try to prevent Sasuke from leaving the village in the past.
One common theme is redemption. Sasuke often has a chance to right his past wrongs during the time travel. For example, in some stories, he can prevent certain tragedies that he was involved in before.
There are many great Sasuke fanfictions out there that focus on his growth, his relationships with other characters like Naruto in a more positive and non - inappropriate way. For example, some fanfictions might explore his journey to redeem himself after his time with Orochimaru. Another type could be about his training and how he hones his skills further.
One common theme is self - discovery. When Naruto is alone, he often has time to think about who he is and what he wants. Another theme is inner strength. He has to rely on his own abilities and not depend on others. For example, in many fanfictions, he overcomes great difficulties alone using his own skills.
One common theme is self - discovery. When Percy is alone, he has to look inward and figure out who he really is without the influence of his friends. Another theme could be survival. He has to fend for himself and use his skills to stay alive in various situations.
Loneliness and isolation are big themes. These fanfics often explore how Harry feels being alone, the emotional turmoil he goes through. Also, the theme of inner strength is present. Harry has to dig deep within himself to find the strength to face whatever comes his way while alone.