Love is a very common theme. Their relationship, whether it's a budding romance or a deep, abiding love, is often explored. Another theme is heroism. Since both are heroic characters in their own right, their heroic deeds and how they support each other in that aspect is often written about.
Fate is also a common theme. Given the nature of their origin stories, how fate brings them together or tries to keep them apart is a popular topic. Redemption can also be a theme. For example, if one of them has made mistakes in the past, the other might be involved in their journey of redemption. It adds an interesting layer to their relationship and individual character arcs.
One common theme is the exploration of their different personalities. Shirou is often depicted as determined and self - sacrificing, while Jeanne is a strong and noble figure. Their interactions based on these traits are often explored.
One common theme is the exploration of their different ideals. Jeanne, being a saint, and Shirou, with his own sense of justice, often clash or come together in interesting ways. Another theme could be the idea of redemption. Maybe Shirou helps Jeanne in some way that makes her see a new side of herself or her purpose.
Adventure might also be a theme. They could go on various adventures together, facing challenges and growing closer as a result. For example, they might be on a quest to save their world or solve a mystery. Another common theme could be self - discovery. As they interact, they might learn more about themselves, their strengths and weaknesses, and how they fit into their world.
One of the themes is often the idea of heroism. Naruto is a hero in his own world, and Jeanne is a well - known figure of heroism in hers. In the fanfiction, they could either compete to be the greater hero or work together to achieve heroic deeds. Also, friendship or partnership is a theme. Since they are from different worlds, they have to learn to trust and rely on each other, which is a great theme to explore.
One common theme is the clash and eventual harmony of two different worlds. Naruto's ninja world and Jeanne's more religious and magical world can create interesting conflicts.
Love is a very common theme. Their deep and often complex relationship is explored in many ways, from the budding of new love to the strengthening of an already existing bond.
One common theme is self - discovery. As Shirou delves into swordsmithing, he often discovers new things about himself. Another is the pursuit of perfection. Since swordsmithing requires precision, Shirou is often on a journey to create the perfect sword. And there's also the theme of legacy, as his swords can leave a lasting mark on the world or on those who wield them.
One common theme is the relationship between them, whether it's a budding romance or a deep friendship. Another theme is their participation in the Holy Grail War, with how they strategize and support each other during battles. Also, their different personalities - Shirou's selfless nature and Tohsaka's more calculating side - often lead to themes of conflict and resolution as they interact and learn from each other.
One common theme is love. Their relationship is often explored in different ways, from a slow - burn romance to an instant connection. Another theme is loyalty. They are both loyal characters, and in fanfiction, this loyalty is often tested and reaffirmed.
A prevalent theme is the battle between his human morality and vampiric instincts. His previous moral code as a human might clash with the new, more primal urges of a vampire. This internal conflict can drive the plot forward in many vampire shirou fanfictions. Also, the idea of redemption or acceptance of his new state is also a common theme that runs through a lot of these stories.