One common theme is the crossover of their powers. Allen's anti - Akuma weapon and Soul's scythe - like weapon often get combined or compared in unique ways. For example, in some fanfictions, they might have to train together to master new combined abilities.
Another theme is the exploration of their different worlds. Since Allen is from D.Gray - man and Soul is from Soul Eater, the fanfictions might deal with how they adjust to each other's universes. They could be on a quest to save both worlds from a common threat. There are also often themes of friendship or even a slow - burn romance developing between the two characters as they get to know each other better.
Love is a very common theme. It could be a slow - burning love or a love at first sight between the reader and Allen. Another common theme is adventure, as Allen is often involved in dangerous and exciting situations, and the reader gets to be part of those. Also, friendship is a theme, as the relationship might start as friends and then develop into something more.
One common theme is the struggle between duty and love. They both have important roles in the Black Order, so many fanfictions explore how they balance their responsibilities with their growing feelings for each other.
Well, there are some Tumblr blogs dedicated to fanfiction. You might find some Allen Walker x Soul Eater fanfictions there. Look for tags like #AllenWalker #SoulEater #fanfiction. Some users share their own works or reblog interesting ones. However, it can be a bit of a hunt through all the posts.
One common theme is the development of their relationship from initial animosity to a deeper understanding. In the original story, they start off not getting along very well, and fanfictions often explore how they overcome their differences.
One common theme is friendship development. Given their relationship in the original work, many fanfics explore how their friendship could deepen and change over time. Another is adventure. Since they are often involved in battles and quests in the original story, fanfics might continue those adventures or create new ones for them.
Common themes include loyalty. They are likely to show loyalty to each other in many fanfictions. Also, the theme of self - discovery can be present. As they interact, they may discover new things about themselves. And of course, there's often an element of the supernatural, given the nature of the Soul Eater Not! universe they inhabit.
A common theme could be friendship development. Since they are both characters from Soul Eater, their relationship might start as acquaintances and grow into a strong friendship through various challenges. Another theme could be teamwork, as they might team up to face a common enemy in the fanfictions.
A common theme could be the exploration of their relationship dynamics. Given their characters in Soul Eater, the fanfiction might focus on how they interact, whether it's in a friendly way or something more complex.
Often, the theme of redemption plays a part, especially for Medusa. Also, the theme of loyalty and betrayal can be seen, as Crona's loyalty to Medusa is tested throughout the series. And there's the theme of self - discovery for Crona, with Medusa being a major part of that journey in many fanfictions.
One common theme is adventure. Since they are both in the world of Soul Eater which is full of battles and quests, fanfictions often involve them going on adventures together.