Perhaps in the 'ichigo travels back in time bleach fanfiction', Ichigo travels back to the time when the Soul Society was in a more fragile state. He could use his knowledge from the future to help strengthen the Soul Society against upcoming threats, like Aizen's plans. He might train the younger versions of the Soul Reapers and form new alliances that would change the future battles.
Ichigo's character may develop by becoming more confident in his powers. In the past, he has a chance to redo things and learn from his mistakes. He could become more strategic in battles, using his transcendent abilities more effectively.
One interesting plot could be Ichigo going back in time and preventing certain tragedies that happened in the original story. For example, he might stop the death of a beloved character, which would then change the entire course of events and relationships in the Bleach universe.
I can recommend you a novel that travels back to ancient times. It's called " The Peerless Beauty in Ancient Times." This novel was about a modern girl who accidentally traveled to ancient times and became a beautiful woman. She experienced all kinds of tests and challenges in ancient life and finally obtained her own happiness and achievements. The plot of the novel is full of twists and turns, the characters are vivid, and the language is beautiful. It is the best choice for you to read.
One common theme is self - discovery. When Rey travels back in time, she often learns more about herself, her powers, and her place in the galaxy. For example, she might find out about her family's past in a different era.
Well, in such a fanfiction, a key plot point could be Ichigo's discovery of his new transcendent powers in the past. Maybe he has to face old enemies with his enhanced abilities. Another point could be how his presence in the past alters the future he came from. For example, his interactions with past characters might change their fates, which in turn could have a butterfly effect on the overall Bleach universe.
Well, of course, Ichigo himself is the central character. But Rukia also often plays an important role. Since she was the one who initially transferred her powers to Ichigo, in the time - travel scenarios, she might be involved in different ways. Maybe Ichigo goes back in time to save her from some danger she faced in the past.
Another theme is self - discovery. By going back in time, he sees his past self and realizes how much he has changed or how some of his core values have remained the same. It's like a journey of understanding his own identity better.
In some fanfictions, Naruto might go back in time and try to save his parents. He could alter the events that led to their deaths. This would not only change his own life but also have a huge impact on the entire ninja world as his parents were very powerful ninja.
One great 'rey travels back in time fanfiction' is 'Rey's Time - Journey Back'. It shows Rey going back to the days of the Old Republic and her adventures there. She meets some iconic Jedi and Sith and has to navigate through the complex politics of that era.