The theme of friendship also plays a role. Hermione's relationships with Harry and Ron may change as she takes on this new role. There could be some tension or newfound respect as she becomes a more physically and mentally strong figure in the fanfiction.
One common theme is the transformation of Hermione's character. She goes from a book - smart witch to a tough soldier, so her journey of self - discovery and growth is often explored.
One common theme is self - discovery. As Hermione travels through time and acts as a soldier, she often discovers new aspects of herself. Another theme is the alteration of history. Since she's a soldier, she may try to change certain events in the wizarding past for the better.
One common plotline could be Hermione using her skills as a trained soldier to defend Hogwarts. She might lead a group of students in a battle against dark forces, using her strategic knowledge. Another could be her being sent on secret missions outside of Hogwarts to gather intelligence or rescue captured allies. For example, she could use her intelligence and combat training to infiltrate a Death Eater stronghold.
One common theme is the clash between military order and supernatural chaos. The soldier has to use his military training to deal with unpredictable supernatural situations.
One common theme is heroism. Percy, as a soldier, is often shown bravely facing danger and saving his comrades. Another theme is adaptation. He has to adapt his demigod skills to military tactics and rules.
One common theme is loyalty. The soldier in the fanfiction is often loyal to his comrades and the cause he is fighting for, which is clearly shown through his reports.
One common theme is the struggle between Merlin's magic and the military structure. In most of these fanfictions, Merlin has to keep his magic a secret among the soldiers who may not be accepting of it. Another theme is loyalty. Whether it's his loyalty to his comrades as a soldier or his loyalty to his true self as a sorcerer. And of course, heroism. Merlin often becomes a hero in these stories, using his magic to save the day in the military situations.
One common theme is self - discovery. As Bella becomes a soldier, she discovers new aspects of herself, like her courage and tenacity. Another theme is friendship. She forms strong bonds with her fellow soldiers.
Another theme is sacrifice. They may sacrifice personal relationships or their own safety for the greater good, like saving their comrades or protecting civilians. This is often a central part of the emotional depth in these fanfictions.
One common theme is redemption. Since the Winter Soldier has a dark past, many fanfictions focus on him trying to make up for what he's done. Another is his struggle with identity, as he's been through so much that he often doesn't know who he really is.
One common theme is the power of magic in a military setting. Merlin's magic often provides an edge in battles or helps solve military - related problems.