Well, a frequent theme is the protection of the harem members by Edward. He's often portrayed as a strong and protective figure. Also, there's the theme of loyalty within the harem, with the members being loyal to Edward and each other. Additionally, some fanfictions explore the theme of Edward's growth as a person as he deals with the different personalities in the harem.
One common theme is the exploration of different types of love. There's often a mix of romantic love, friendship - like love, and loyalty among the characters in the harem. Another theme is the growth of Edward as a character as he deals with multiple relationships.
A theme that frequently shows up is the power of friendship evolving into something more. Edward and Scar start off as adversaries in the original story. In fanfiction, their relationship can develop in ways that show how they overcome their differences and form a deeper bond. This often involves themes of forgiveness and understanding. Also, there may be themes related to the misuse and proper use of alchemy, as it is a central element in their world.
One common theme is friendship development. They start from just knowing each other in the original story and in fanfictions, their friendship often deepens into something more meaningful. Another theme is adventure. Writers may create new quests or challenges for them to face together.
One common theme is the idea of trust. Since they come from different backgrounds and have different ways of doing things, building trust is crucial in their relationship. For example, in many fanfictions, Roy has to trust Edward's unorthodox alchemical methods, and Edward has to trust Roy's leadership and political maneuvers.
One common theme is the exploration of two different magical worlds colliding. Since Harry comes from the wizarding world and Edward from the world of alchemy, their interaction often involves comparing and contrasting their magical abilities. Another theme could be friendship or romance development between the two characters despite their different backgrounds.
Well, the theme of sacrifice is quite common. Edward and Alphonse have both sacrificed a great deal for each other in the original series, and fan fictions expand on this idea. Also, the exploration of their alchemy powers in relation to their relationship is a frequent theme. How their abilities are intertwined and how they use them to help each other is often explored. And of course, the theme of family, not just as brothers but also in a broader sense, like how they fit into the world as family members.
Another theme is redemption. Some fanfictions might explore the idea of whether Pride can be redeemed through its interactions with Edward. It could be a complex exploration of good and evil, where Edward's character might influence Pride to change or at least question its own existence and actions.
A common theme is the struggle against gender norms. Since Edward is male in the original, making him female in fanfiction often leads to stories about how she has to fight against the expectations placed on women in the world of alchemy. For example, she might face discrimination when trying to access certain alchemical knowledge or facilities.
One common theme is redemption. Edward often tries to make up for the wrongs done to the Ishvalans. Another theme is cultural exchange. Since they come from different backgrounds, there's a lot of learning about each other's cultures. For example, Edward might learn about Ishvalan traditions.
Another theme is the support system around him. In these fanfictions, his friends and family, like Alphonse and Winry, often rally around him. It emphasizes the importance of relationships in difficult times. For example, they might search for a cure or just be there to comfort him. This theme also helps to develop the other characters more deeply as they show their care for Edward.