A frequent theme is also the power dynamics. Magnus has his powerful magic, and Alec has his position in the shadowhunter world. How they balance this in their relationship is often explored. Also, the theme of family acceptance is common. Alec's family and their reactions to his relationship with Magnus are often part of the stories.
Many Magnus and Alec fanfictions explore the theme of sacrifice. They might have to sacrifice something, whether it's their own beliefs, a part of their identity, or a relationship with someone else for the sake of their love. Another theme is the exploration of their individual growth. As they are in a relationship, they both grow as characters, and this is often depicted in these fanfictions.
Another theme is the struggle against prejudice. Since they are from different 'worlds' in the story, they face a lot of judgment from others, and fanfictions often deal with how they overcome this. Also, the theme of self - discovery is quite common. Both characters grow and learn more about themselves through their relationship with each other.
Love is a very common theme. Their love story, how they overcame differences to be together. Another is the theme of acceptance, like Alec accepting Magnus' warlock nature and Magnus accepting Alec's Shadowhunter duties. And also the theme of family, as they both have different family backgrounds and how they merge their families in a way.
One common theme is acceptance. Alec has to come to terms with his feelings for Magnus in a world that may not always be accepting, and Magnus has to accept Alec's insecurities and growth. Another theme is sacrifice. They often have to sacrifice personal desires for the greater good of their relationship and the Shadowhunters world.
Well, in Magnus x Alec lemon fanfiction, a frequent theme is the discovery of each other's desires. Since they come from different backgrounds, Magnus being a warlock and Alec a Shadowhunter, there's a lot of room for exploring how they understand and fulfill each other's needs. Additionally, themes of acceptance, both within themselves and from their respective communities, are quite common. The 'lemon' aspect can sometimes be used to show the deepening of their bond and the breaking of barriers between them.
Love and acceptance are very common. Given that they are from different worlds (Shadowhunter and warlock), their relationship often involves them learning to accept each other's differences. Another theme is family. Alec has his Shadowhunter family and Magnus has his own kind of 'found family' among the Downworlders. Fanfictions often explore how their relationship affects and is affected by their respective families.
One more theme could be the struggle against the norms of their society. In some fanfictions, the alpha - omega dynamic might be strictly defined by society. Magnus and Alec could be fighting against these norms, whether it's about how omegas are supposed to behave or who alphas can be with. This theme allows for some interesting plot developments as they try to carve out their own path together.
One common way could be through using his magic in a subtle way. For example, he might use magic to create situations where Alec has no choice but to follow his lead. Maybe he makes it seem like the only option for Alec to protect his friends or family is to do what Magnus wants.
Another theme could be the power of music in bringing people together. Alec's music might be the initial connection between him and Magnus. Maybe Magnus is initially uninterested in the rock star lifestyle but gets drawn in by Alec's music and the passion behind it, which is a popular trope in such fanfictions.
Jealousy can also be a common element. In these fanfics, there might be instances where Alec is jealous of Magnus's past relationships or his popularity in the Downworld. Magnus, on the other hand, could be jealous of Alec's closeness to his Shadowhunter friends or family. Another aspect is fear of abandonment. Given their different natures and the challenges they face in their relationship, both characters may fear that the other will leave at some point.
One possible main theme could be love. Their relationship might be central to the story, showing how two different characters can come together and support each other.