Dudley could start to view Harry in a more empathetic way. Fanfiction might show Harry dealing with emotional struggles that Dudley can relate to, like feeling lonely or misunderstood. Through these stories, Dudley might see that Harry is not so different from himself in some ways, which could change his view from one of annoyance or envy to one of understanding.
Harry might become more open and less guarded. Since he now has a brother in Dudley, he might feel more at home in the Muggle world. Dudley, on the other hand, could become less of a bully. The knowledge that he has a wizard for a brother could make him more humble and empathetic.
Well, it changes their relationship in that they become closer. Dudley's overprotective nature means he starts to see Harry as someone precious to him. This could lead to them sharing secrets. Harry might tell Dudley more about the wizarding world, and Dudley could confide in Harry about his insecurities. They might even team up against common enemies, like those who look down on both of them for different reasons. Overall, it makes their relationship more complex and interesting.
His confidence usually skyrockets. Since he has access to powerful techniques from the Forbidden Scroll, he feels more capable in combat and in dealing with difficult situations. For example, if he learns a powerful healing jutsu, he might be more willing to take risks in battles knowing he can heal himself or others quickly.
Perhaps Dudley finally stands up to his father's cruel treatment of Harry. Maybe he realizes that Vernon's behavior towards Harry is wrong and uses his own physical strength or some clever ruse to get Harry out of a difficult situation Vernon has put him in.
The learning trunk might offer him a more personalized learning experience. For example, if he's struggling with a certain spell, the trunk could provide a step - by - step guide or even a magical tutor in the form of a spell - casted projection. Also, it could give him the opportunity to study at his own pace without the distractions of a classroom. He can focus on the areas he's most interested in or needs to improve on, like advanced transfiguration or advanced defense against the dark arts.
Well, Harry and Dudley's relationship would change drastically. Harry, by adopting Dudley's child, is taking on a huge responsibility. Dudley might initially be in denial about the whole situation, but as time passes, he realizes that Harry is providing a better life for his offspring. This could lead to a thaw in their long - standing animosity. Harry might start to view Dudley as someone who has made mistakes but is also trying to do right by his child in his own way. And Dudley could start to view Harry as a real family member, someone he can rely on.
Harry could become more relaxed. After all the battles and traumas of his youth, as an adult he might be more at peace. He could be less impulsive and more calculating. Dudley, having matured, might lose his bullying nature completely. He could be more empathetic, especially after experiencing some hardships in his own life that made him realize how his actions affected others.
It could completely transform their relationship. If they have a positive reunion, they might become friends. They could start to support each other in different ways. Harry could use his magic skills to help Dudley out in small ways, like fixing something around his house without Dudley knowing it was magic. Dudley, in return, could offer Harry some insights into the Muggle world that Harry might not be fully aware of.
In some Dudley Protects Harry fanfictions, Dudley's character development often starts with a significant event. For example, he might witness the true danger Harry is in from the wizarding world. This makes him realize that his previous bullying was petty. He then begins to feel a sense of responsibility towards Harry. He may start to learn about the wizarding world to better protect Harry, gradually changing from a bully to a protector. This transformation can also be influenced by his own growth in understanding family and loyalty, as he finally sees Harry as more than just the 'freak' he once thought him to be.
It could lead to a big change. Maybe Harry and Dudley would learn more about Severus and develop a different relationship with him.