Often, the theme of change is present in 'birthday boy sherlock fanfic'. His birthday could be a turning point in his life, either in terms of his relationships or his approach to solving cases. For instance, he might realize the importance of human connection more deeply on his birthday and start to change his aloof behavior.
One popular 'birthday boy sherlock fanfic' might be those that explore Sherlock's unique perspective on his birthday. Maybe it could be about his friends trying to plan a surprise for him, despite his usually detached nature.
Reflection is also a big theme. Castiel has a long history, and on his birthday, he may look back on all the things he has been through, the people he has met, and the choices he has made. This can add a lot of depth to the fanfic and make readers understand his character better.
Reflection is also seen. Bakugou may reflect on his past year, his achievements and mistakes. This helps to develop his character further and makes the birthday fanfic more meaningful as it's not just about celebration but also self - improvement.
The theme of self - worth also comes up a lot. Anderson's actions towards Sherlock can be seen as his way of trying to boost his own self - worth. He feels overshadowed by Sherlock and so he resorts to actions that might bring Sherlock down, as seen in 'The Search for Significance' where Anderson's every move against Sherlock is related to his own internal battle with his self - image.
Another theme is the mystery aspect. The fanfics usually involve some sort of mystery that both Sherlock and Irene are trying to solve. It could be a case related to Irene's past or something that Sherlock stumbles upon and Irene gets involved in. For example, in some fanfics, there are secrets about Irene's family that she and Sherlock have to uncover together. This adds an element of intrigue and keeps the story going.
One common theme is the exploration of power dynamics. When a scandal occurs in the Sherlock universe with an OC involved, it often shows how power shifts between characters. For example, an OC might be in a position where they have some power over Sherlock or Watson due to the knowledge of the scandal. Another theme is redemption. The OC might be a character who has made mistakes and is involved in the scandal, but then tries to make amends throughout the fanfic.
One common theme is change. Fall is a season of change, and often in these fanfics, the OC goes through some sort of transformation, just like the changing leaves. For example, they might change their view on Sherlock or their own detective skills.
One common theme is the clash of different ways of thinking. Sherlock's logical, scientific mind against the magical and somewhat superstitious world of Harry Potter. For example, in many fanfics, Sherlock tries to explain magic using his own methods.
One common theme is mystery-solving. Since Sherlock is known for solving mysteries and there are always mysteries in the Harry Potter world, like the secrets of the Hogwarts castle or the identity of certain dark wizards. Another theme is the clash of different worlds. Sherlock's logical, Muggle - based world colliding with the magical world of Harry Potter.
One common theme is friendship. Their relationship starts as a rather odd friendship between a brilliant detective and an ex - military doctor. Many fanfics explore how they grow to rely on each other more and more.