One common theme is self - discovery. Albus often has to figure out who he is apart from being Harry Potter's son. Another is friendship, like how he forms deep bonds with his peers at Hogwarts.
The theme of overcoming challenges is very common. Albus faces difficulties such as bullies, difficult classes, and magical threats. Also, the idea of belonging is present. He sometimes feels like an outsider, but then finds his place within the Hogwarts community. Magic itself can be a theme, with new spells and magical concepts being introduced in the fanfic world that are unique to Albus's story.
One common theme is the struggle with identity. Given his famous family name, Albus Severus often has to find his own place in the wizarding world. For example, in some fanfics, he tries to break free from the expectations set by his father.
Friendship is a very common theme. Since they come from families with a history of enmity, their friendship is a central point. It shows how they can look past their family legacies and be friends.
Another theme is self - discovery. Both characters are on a journey to figure out who they are within the wizarding world. In many fanfics, they help each other in this process, learning about their own strengths and weaknesses through their interactions with each other.
Family heritage is a common theme. Since they are Potters, many fanfics explore how they deal with the legacy left by their parents and ancestors. Another theme is friendship. They form new friendships at Hogwarts and these relationships are often central to the story.
One common theme is the pressure he feels to live up to his family name. Being a Potter comes with a lot of expectations, and in these fanfics, that can be overwhelming for him and lead to his depression.
Friendship is a very common theme. Given their family backgrounds, their friendship is often explored as something that has to overcome initial prejudices. They come from families that were once enemies, so the fanfics usually show how they build a bond in spite of that history.
A sense of regret is also common. The idea that things could have been different between them, that they made mistakes that led to their separation or enmity. It's often a sad and poignant theme in these fanfics. And then there's the theme of destiny. Whether their paths were fated to cross and then diverge is explored in different ways.
One common theme is self - discovery. Since he's neglected, Albus often has to figure out who he is on his own.
A common theme is family. Since they are Potters, their family history and relationships play a big role. Another theme is friendship. They often have to rely on their friends in the stories.
Power and magic are also common themes. In many of these fanfictions, Albus discovers new magical abilities or has to deal with powerful magic that he hasn't encountered before. For example, in some, he might come across ancient and extremely powerful spells. Also, friendship and alliances play a big role. He forms new friendships with characters from other stories and they team up to face challenges together. This often leads to interesting character dynamics.