Well, a cool plot for Firebender OC fanfiction might be that the OC is a Firebender with a unique ability to control blue flames. This makes them a target as others either want to use their power or are afraid of it. They could then embark on a journey to find out the origin of their special ability. Also, the story could involve the OC befriending non - benders and having to protect them from the prejudice of some benders. Or perhaps the OC discovers an ancient Firebending scroll that holds the secrets to a powerful but dangerous technique and they have to decide whether to learn it or not.
A great plot for Firebender OC fanfiction could revolve around an OC who was born in a non - Firebending family but discovers they have the ability to bend fire. This causes a stir in their community as it's unheard of. They then have to seek out Firebenders to train them, but face many challenges along the way. For example, some Firebenders might not accept them because of their different background. Another aspect could be that the OC uses their new - found power to fight against a group of dark Firebenders who are misusing their bending for evil purposes. They could also form an alliance with other benders of different elements to defeat this common enemy.
One common plot idea is the journey of self - discovery for the firebender OC. They might start off not fully understanding their powers or their place in the world. As they travel, they meet different people and face various challenges that help them realize their true potential. For example, they could encounter a powerful waterbender who forces them to reevaluate their own firebending abilities and find new ways to use them. Another plot idea is the firebender getting involved in a political intrigue within the Fire Nation. Maybe they discover a conspiracy to overthrow the Fire Lord and have to decide whether to support it or oppose it based on their own beliefs.
One idea could be a Firebender OC who is a prodigy but struggles with the dark side of their power. They could be on a journey to master their abilities without succumbing to anger and aggression. Another idea is a Firebender OC from a small, forgotten tribe who discovers a unique form of Firebending that has been lost for centuries. This could lead to a story where they have to protect this knowledge from those who would misuse it.
Imagine an OC named Eira. She's a half - Fire Nation, half - Water Tribe firebender. This makes her an outcast in both societies. Her firebending is a blend of the passion of the Fire Nation and the fluidity of the Water Tribe. She has long, black hair and blue - tinted eyes. Eira has a pet dragonfly - bunny that she found as an abandoned baby. In her fanfiction journey, she tries to find a place where she belongs while using her unique bending abilities to help those in need. She can bend fire in a way that looks like water flowing, which is both beautiful and powerful.
Another plot could revolve around an OC who is a Spartan trainee that doesn't quite fit the mold. They have a different way of thinking and approaching combat. In Halo 4, they end up being the key to solving a mystery related to the Prometheans. Maybe they find a way to communicate with the Prometheans and convince some of them to stop fighting the humans.
One idea could be an Otsutsuki OC who comes to Earth not for conquest but to study the unique life forms here. They could befriend some of the local ninjas and learn about the concept of friendship, which is alien to the Otsutsuki. This would lead to a series of adventures where they have to protect their new friends from other more hostile Otsutsuki members.
One idea could be an OC who is a long - lost relative of Moana. This OC could have been separated from the family during a great storm years ago. They could have unique skills, like being able to communicate with a different type of sea creature that Moana has never encountered. This would bring new adventures as Moana and the OC try to figure out how this new discovery could help their island.
One idea could be exploring the origin of the OC in the covenant world. Maybe they have a special power that sets them apart from the regular covenant members.
One idea could be an OC who is a new Wolfblood in a pack and has to prove themselves. Maybe they have a unique power that the others don't have and they have to learn how to control it while fitting into the pack's hierarchy.
One idea could be an OC who is a long - lost relative of one of the main characters. They suddenly show up and cause a stir in the power dynamics. For example, if they are related to the main heir, they might have a claim to the inheritance as well, leading to all kinds of family drama and power struggles.
One idea could be an OC who is a brilliant but unorthodox medical student. They constantly clash with House in their diagnostic methods yet prove to be surprisingly accurate at times. For example, they might use a new technology or approach that House is initially skeptical about but later comes to respect.