One interesting plot point could be the protagonist using their prior knowledge to change certain events in Sasuke's life. For example, they might try to prevent Sasuke from leaving the village earlier than he did in the original story.
Another plot point could be the way the reincarnated character adapts to Sasuke's skills and abilities. They may struggle at first to master the Sharingan or other ninja techniques that Sasuke is known for, which can create some exciting training arcs in the fanfiction.
Often, in such fanfictions, there is a plot point around relationships. The reincarnated character might have a different approach to Sasuke's relationships with Naruto, Sakura, or his family. They could try to improve or change the dynamics, like making Sasuke more open to Naruto's friendship from the start.
One interesting plot point could be the main character adjusting to Broly's immense power. For example, they might struggle at first to control the Saiyan's brute strength during battles.
Another plot point might be the relationships the reincarnated OC forms. They could have a different dynamic with Ash's friends like Brock and Misty. The OC might introduce new ideas or ways of thinking to the group, which could lead to some really fun and unexpected adventures.
One interesting plot point could be how Hiccup adjusts to his new dragon form. He might have to learn to fly and use his new abilities, like breathing fire or having enhanced strength. Another could be his interactions with other dragons. Since he was once a human, he might have a different perspective compared to regular dragons, which could lead to unique relationships.
One interesting plot point could be how the character adapts to the RWBY world with the help of the system. Maybe they use the system to unlock unique abilities or powers that are different from the regular characters in RWBY.
One interesting plot point could be the culture clash. Harry comes from the wizarding world with its own set of rules, traditions, and magic, while Sasuke is from the ninja world. Their different upbringings and the way they view things like loyalty, power, and family can create a lot of drama and also help them grow as characters.
One interesting plot point could be a different backstory for their rivalry. Maybe in the fanfiction, there's a secret reason that made them enemies even before the events in the original story.
The reincarnated OC might also change the relationships between the main characters. For example, they could become a close friend to Harry Potter and influence his decisions in a different way. They might introduce new ways of thinking about magic that make the other characters question their own beliefs and practices. This could lead to a whole new dynamic within the group and change the course of the story in unexpected ways.
Since I don't know the details of this new Sasuke novel, it's hard to say. But it could have plot points like Sasuke uncovering a long - hidden family secret or getting involved in a new power struggle within the ninja world.
Well, one interesting plot point could be how Sasuke and Sakura adjust to married life. Maybe they have to deal with Sasuke's past traumas affecting their relationship. Another could be Sakura's growth as a kunoichi while being a wife.
In such a fanfiction, an interesting plot point could be that Naruto's chakra starts to mix with the Sharingan's power in unexpected ways. This could lead to the creation of a new type of Sharingan or a new power altogether. Maybe Naruto's Uzumaki bloodline affects the Sharingan in a way that no one expected. Also, the power struggle within Naruto as he tries to balance his own values with the new power of the Sharingan could be a great source of internal conflict and an interesting plot point.