Well, loyalty is a big theme. The assassin may have loyalty to their organization or their master, but then they start to question it as they encounter different situations. Another theme is the use of unique supernatural abilities. For example, they might have the ability to teleport or control minds in order to carry out their assassinations. Survival is also a common theme. They are constantly in dangerous situations and have to fight to stay alive. And sometimes, there's a theme of revenge. Maybe someone wronged them in the past, and they use their skills as an assassin to get revenge.
In 'supernatural fanfiction', a frequent theme is the alternate universes. Writers like to imagine different versions of the 'Supernatural' world, where things happened differently. Romance is also a big theme, whether it's between the main characters or new characters introduced in the fanfic. Also, the origin stories of the supernatural beings are often explored, giving more background and depth to the existing lore.
One common theme is redemption. Since Tony is often portrayed as an assassin, which is a morally ambiguous role, many stories focus on his journey to redeem himself. Another theme is secrecy. He has to keep his assassin identity hidden from his friends or the public.
One common theme is redemption. Harry might see being an assassin as a way to atone for past mistakes or the chaos of the wizarding war. Another theme is secrecy. He has to keep his new identity and activities hidden from his friends and former allies. Also, there's often the theme of power and how he uses his assassin skills, whether it's for good or gets corrupted by the power.
Friendship or camaraderie can be a common theme as well. Even though assassins are often solitary characters, in some fanfictions, they form alliances or friendships with other players. This helps them in their quests and also adds an emotional depth to the story. And of course, the overarching theme of survival is always there. They need to survive the challenges, enemies, and traps in the game world.
One common theme is the struggle between good and evil. The assassin may be initially seen as a dark figure but might have a moral code that challenges the traditional view. Another theme is identity. The assassin might be trying to figure out who they are within the context of the Twilight universe.
Well, a major theme is power. Merlin already has magic, which is a form of power, and as an assassin, he has another kind of power. How he uses these powers together or separately is often explored. Also, the theme of betrayal is common. As an assassin, he might be betrayed or he might have to betray others. And there's the theme of survival. In the dangerous world of being an assassin, Merlin has to find ways to survive. This could involve using his wits, his magic, or his assassin skills.
One common theme is power struggle. Abaddon is a powerful demon, so many fanfictions explore her battles for power, either against other demons or the Winchesters. Another theme is her backstory. Writers often delve into her past to give more depth to her character.
One common theme is forbidden love. Maybe a vampire falling in love with a werewolf in the academy, which goes against the norms of their species. Another is the underdog rising to power. A student who is initially underestimated but then discovers some great power within themselves.
One common theme is redemption. Since Adam had a rather rough deal in the show, a lot of fanfictions explore his journey towards redemption. Another is family. How he fits into the Winchester family dynamic, whether it's forming a bond with Sam and Dean or finding his place in the larger family of hunters.
One common theme is redemption. Cassiel has made some mistakes in the show, and in fanfictions, writers often explore his journey to redeem himself. For example, he might try to make up for his actions by helping Sam and Dean in a more selfless way.