Horror is a common theme. Since 'the magnus archives' is a horror - based story, when it crosses over with other works, that horror element often remains dominant. For example, in crossovers with other horror - themed shows or stories, the sense of dread and the unknown is amplified.
Survival is another theme. Characters from different works often find themselves in new and dangerous situations in the 'the magnus archives' world. They have to figure out how to survive the threats posed by the entities, whether they are used to such threats or not. For instance, a character from a non - horror world suddenly has to face the terrors of the 'the magnus archives' and find a way to stay alive.
One great 'the magnus archives crossover fanfiction' is the one where it crosses over with 'Welcome to Night Vale'. It combines the eerie atmosphere of both worlds really well. The characters from both stories interact in a very interesting way, like how Cecil from 'Welcome to Night Vale' reacts to the entities in 'the magnus archives'.
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.
One common theme is love. Magnus' relationships, especially with Alec, are often explored. Another is power. His magical powers and how they are perceived by the Shadowhunters are frequently a part of the stories. Also, acceptance. Magnus being a Downworlder, his fight for acceptance among the Shadowhunters and the mortal world is a common theme.
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.
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.
One common theme is friendship. Their relationship is often explored in depth, showing how they become close friends and rely on each other. For example, in many fanfictions, they help each other out during magical battles.
One common theme is isolation. Magnus might be isolated due to his unique powers or past traumas, which causes him pain. For example, in some fics, his immortality makes him feel alone.
One common theme is vulnerability. Since Magnus is often seen as a powerful warlock, these fics explore what happens when that power is stripped away, even if just temporarily, due to injury or emotional pain.
Another theme is self - discovery. In human fanfictions, they might be on a path to find out who they are without the trappings of their original magical or shadowhunter identities. They learn about their strengths and weaknesses as normal humans.
One common theme is his magic and power. Writers often explore how Magnus uses his magic in different situations. Another theme is his relationships, like his romantic relationships or friendships. His backstory also features a lot, especially his experiences growing up as a warlock.