The theme of isolation is also quite common. The Dursleys isolate Harry from the outside world, and in fanfics, this often leads to him having a hard time adjusting when he finally enters the wizarding world. Also, there's the theme of revenge in some fanfics, where Harry wants to get back at the Dursleys in some way.
A major theme is the idea of healing. Many fanfics show Harry's journey to overcome the trauma of the Dursleys' abuse. This can involve making new friends, finding a sense of family in the wizarding world, and learning to love and trust himself again. It's a long and often difficult process that these fanfics explore in different ways.
One great fanfic on this topic is 'The Boy Who Lived in Darkness'. It really delves into how Harry's time with the Dursleys shaped his personality and his view of the wizarding world. The author does an excellent job of showing his internal struggles.
One consequence could be that Harry becomes withdrawn. He's so used to the abuse that he doesn't trust people easily. He might have nightmares often, reliving the moments of abuse. For instance, if Vernon has hit him before, he could have flashbacks in his sleep.
In the 'the dursleys abuse harry fanfiction', the abuse can be multi - faceted. Physically, Harry could be pushed around or hit by Vernon. Emotionally, Petunia might constantly compare him unfavorably to Dudley, which is really damaging to Harry's self - esteem. And socially, they might prevent him from having any friends over, making him feel completely alone in the world.
Common forms include verbal abuse. The Dursleys may call Harry names like 'freak' or 'worthless orphan' constantly. Another form is making him do all the chores in the house while Dudley does nothing.
One common theme is Harry's resilience. Despite the abuse, he often shows great strength and determination in these fictions. For example, he might be secretly practicing magic to protect himself or finding ways to outwit the Dursleys.
One common theme is redemption. The Dursleys, who were initially cruel, find a way to redeem themselves and start loving Harry. Another could be the power of family. It shows that even in a family as dysfunctional as the Dursleys and Harry's, love can still develop.
One common theme could be the exploration of the Dursleys' pent - up hatred. In these fanfictions, they finally act on the deep - seated dislike they have for Harry. Another theme might be the consequences in the wizarding world. For example, how the wizarding community reacts to Harry's death at the hands of muggles.
Well, family unity is often a theme. Since the Dursleys love baby Harry, it creates a more harmonious family environment. This is different from the original story where Harry was mistreated. Also, the exploration of how this love affects Harry's magical abilities and his relationship with the wizarding world is common. For instance, he might be more open about his magic to the Dursleys, and they in turn support his journey in the magical realm.
One interesting fanfic could be where the Dursleys are secretly magical but have been suppressing it. Maybe in this fanfic, Vernon Dursley has a hidden ability to communicate with magical animals, which he has always feared and tried to hide. This would completely change the dynamic of how they treat Harry as they are also hiding their own secrets.
It could be because the authors want to emphasize Harry's difficult upbringing and show how he overcomes adversity. Also, it makes the contrast with the magical world more pronounced.