Some common tropes in villain oc fanfiction include the 'seductive villain' trope. This is when the villain uses their charm or attractiveness to manipulate others. It can add an interesting dynamic to the story. The 'vengeful villain' trope is also quite common. They are seeking revenge for some past wrong done to them. And then there's the 'evil legacy' trope. The villain oc is following in the footsteps of an even greater evil from the past, and they are trying to live up to that reputation or complete some unfinished evil business.
Well, there's the trope of the 'outsider villain'. This is an OC villain who doesn't fit into the normal hero - villain dynamic in the 'Boku no Hero Academia' world. They might have a completely different view on how things should be. Then there's the 'sympathetic villain' trope. Despite being a villain, the writer makes the readers feel sorry for them because of their past or current situation. Also, the 'mastermind villain' who is always one step ahead of the heroes is a common one.
One common trope is the OC being a new student or outsider in the fanfiction world. For example, in a Harry Potter fanfic, an OC might be a transfer student to Hogwarts. Another is the OC having a special power or ability that sets them apart. They could be the only one who can communicate with a certain magical creature. Also, the OC might become a love interest for a canon character, like an OC falling in love with Sherlock Holmes in a Sherlock fanfiction.
One common trope is the 'forbidden love' between the OC and Dracula. The OC, whether human or vampire, finds themselves drawn to Dracula's dark allure despite the danger. Another is the 'newbie in the vampire world' trope, where the OC is a newly turned vampire trying to navigate the rules and power dynamics in Dracula's domain.
Well, in Gundam male OC fanfiction, you often see the 'Lost Legacy' trope. The male OC discovers that he has a connection to an ancient or forgotten part of Gundam history, like a lost Gundam technology or a long - dead hero. Another common one is the 'Redemption Arc' for a character who has made mistakes in the past. The male OC might have been on the wrong side of a conflict initially but then sees the error of his ways and tries to make amends. And there's the 'Outsider Who Becomes a Hero' trope, where the OC is not from the main group but ends up being crucial to their success.
One common trope is the 'forbidden love' angle. Since Thranduil is a king, there could be rules or social hierarchies that make a relationship with an OC difficult. Another is the 'outsider' trope, where the OC is not an Elf and has to navigate the Elven world while falling for Thranduil. The 'saving each other' trope is also popular. Maybe the OC saves Thranduil from a dangerous situation, or vice versa, which then sparks the romance. And there's often the 'slow - burn' romance, where their feelings develop gradually over time.
The 'slow - burn relationship' is also very popular. The OC bodyguard and Lelouch start off as just professional acquaintances but over time, feelings develop. This can be shown through small moments of kindness or shared secrets. Another trope is the 'protector in disguise' where the bodyguard has to pretend to be something else in order to better protect Lelouch, like a student at his school.
One common trope is the 'gamer - in - a - strange - world' concept. The OC, being a gamer, finds themselves in the Bleach universe and has to adapt. Another is the 'level - up' trope. Just like in games, the OC gains power and abilities as they progress through the story. For example, they might start as a weak character and gradually become a powerful Soul Reaper or Arrancar. The 'unique - ability - from - gaming' trope is also popular. This is where the OC has an ability that is related to their gaming skills, like being able to analyze an opponent's moves like it's a game strategy.
One common trope is the 'fish out of water' situation. For example, if the OC is from a different time or place than the canon world, like an OC from modern times ending up in Middle - earth in a Lord of the Rings 'oc x cannon fanfiction'. Another is the 'love at first sight' trope, where the OC and the canon character fall for each other immediately. It's often used to quickly establish a relationship in the story.
One often - seen trope is the 'oc with a special power'. This power can either be a threat or an asset to the Akatsuki. It creates interesting dynamics as the Akatsuki members might want to use the oc for their power or protect them from others who would. Also, there's the 'redemption arc' trope for the Akatsuki through the oc's influence. The oc might make one or more of the members question their actions and seek a different path.
One common trope is the mysterious stranger. He shows up in Mystic Falls out of nowhere and has a dark secret. Another is the heroic protector. He sees himself as the one to save the town from all the vampire and supernatural threats. There's also the love - struck fool trope where he falls head over heels for one of the female characters, like Elena, and will do anything to win her over.