Often, 'armin dies fanfic' will have a theme of remembrance. The characters will remember Armin in different ways, through flashbacks or by carrying on his work. This helps to keep his memory alive within the story. And sometimes there's a theme of revenge. If his death was caused by an enemy, the remaining characters might seek revenge for his death.
A common theme is grief. When Armin dies, the other characters have to deal with the intense pain of losing him. Another theme is the idea of sacrifice. His death might be seen as a sacrifice for a greater good.
Another theme is his relationships. His friendship with Eren and Mikasa is frequently explored in different ways. Some fanfics might focus on how his relationship with them changes as they all grow older and face different challenges.
Another theme could be the impact on relationships. Her being a girl would change the nature of her friendships and interactions. For example, in a story, her male friends might be more protective of her, or she might have different types of rivalries with other female characters. This can create a lot of drama and emotional depth in the fanfic.
One common theme is friendship. They both come from different backgrounds and have had different experiences, so exploring how they form a friendship is popular. For example, in many fanfics, they start off as just acquaintances and gradually become close friends through shared experiences.
Love and acceptance are also big themes. They come from different backgrounds and have different personalities. So, their journey to accept each other and fall in love is often explored. A lot of fanfics show how they break down the barriers between them to be together.
Another theme is trust. Given their different backgrounds and personalities, building trust between them is a big part of many fanfics. It's interesting to see how they overcome their initial doubts and form a strong bond. Usually, they start off not fully understanding each other, but as the story progresses, they learn to trust one another completely.
Another theme is the exploration of their contrasting personalities. Armin is often seen as the intelligent and more reserved one, while Reiner is the strong - willed and sometimes conflicted. Fanfics play around with how these differences can create an interesting dynamic between them, like in 'The Opposites Attract' fanfic where their differences actually draw them closer.
One common theme could be power dynamics. Since it involves a prince, there might be themes related to royalty, power, and the responsibilities that come with it.
Power dynamics is a frequent theme. The Female Titan has great physical power, while Armin has intellectual power. Fanfics often play with how these two types of power interact in their relationship. Another theme could be redemption. Maybe the Female Titan is seeking redemption through her connection with Armin. It could also be about understanding the 'other'. Armin tries to understand the Female Titan, who is different from him in many ways, and vice versa.
One common theme is self - discovery. As they interact, both Annie and Armin often discover new things about themselves. Another theme is the power of friendship. Their relationship, whether it's a budding romance or a deep friendship, is often shown to have a strong impact on their lives.
Grief is a very common theme. Since Catra dies, the other characters often have to deal with the pain and loss. They might go through stages of denial, anger, etc.