Well, there's 'The Forgotten OC' in Mass Effect 3 fanfiction. It tells the story of an OC who was overlooked but turns out to have some amazing abilities that could change the course of the war. 'OC in the Shadows' is quite good too. This one shows an OC working in the background, using stealth and intelligence to help the main characters. Also, 'OC's Alliance' where an OC forms an unexpected alliance with different species to take on the Reapers.
There are several good ones. For example, 'The Mysterious OC' in Mass Effect 3 OC fanfiction. This fanfic has an OC with a mysterious past that gradually unfolds as the story progresses. It adds an element of intrigue to the already rich Mass Effect 3 universe. Then there's 'OC's Struggle'. It details the hardships an OC faces in a world full of danger and powerful enemies. And 'OC's Destiny' which follows the OC as they try to fulfill what they believe is their pre - ordained role in the fight against the Reapers.
A great fanfiction idea could be a US Marine OC who forms an unlikely alliance with an alien race. This alliance is formed out of necessity, as they both face a common enemy. The Marine has to overcome initial prejudices and learn to trust the alien counterparts, and together they fight against a powerful foe that threatens the peace in the Mass Effect galaxy.
One interesting fanfiction could be 'The Geth and the Outsider OC' which explores the relationship between a unique OC and the Geth in a post - Reaper War scenario. Another might be 'OC's Alliance with Geth X' which focuses on how an OC forms an alliance with Geth X against common enemies. There's also 'Geth X and the Mysterious OC' which delves into the mystery surrounding an OC's connection to Geth X.
One interesting 'Mass Effect' Godlike OC fanfiction could be about an OC with superhuman combat skills. They might be able to single - handedly take on entire groups of enemies. Another could focus on a Godlike OC with psychic powers that are far beyond what is normal in the Mass Effect universe. For example, they can control the minds of multiple species at once.
One great Mass Effect OC Soldier fanfiction is 'Soldier's Journey'. It follows an original character as they rise through the ranks in the military. The story has really engaging combat scenes and character development.
One interesting Mass Effect Phantom fanfiction could be about a Phantom's origin story. It might explore how they are trained, what their lives are like before being deployed in the field. Another could focus on a Phantom's unexpected alliance with a group of Shepard's crew, leading to a series of adventures that change the course of the main story. There are also fanfictions that might put a Phantom in a situation where they have to question their loyalty to the Cerberus or whoever they serve.
One interesting 'Mass Effect' lemon fanfiction could be those that explore the romantic relationships between different species in the 'Mass Effect' universe in a more detailed and emotional way. For example, a fanfiction about Shepard and Liara might delve deeper into their connection beyond what the game shows.
Some fanfictions might center around a Geth's relationship with a particular character. Maybe a Geth forms an unlikely alliance with a Krogan. The story could detail how they overcome their differences and work together towards a common goal, while also exploring the unique nature of the Geth's thinking process.
Some fanfictions could focus on the origin of vampires in the Mass Effect universe. It could be a result of some ancient experiment gone wrong, or perhaps they are an alien race that has evolved in a way that gives them vampiric traits. This could tie in with the existing lore of Mass Effect and create a really engaging story.
One interesting 'Mass Effect' baby fanfiction could be about the main characters having to protect a baby with special powers in the Mass Effect universe. Maybe the baby has some unique biotic abilities that draw the attention of both the good and bad forces.
One interesting 'Mass Effect and Naruto' fanfiction could be where Naruto characters are integrated into the Mass Effect universe. For example, Naruto's ninja skills might be used in the context of Mass Effect's combat and exploration. Another could involve the sharing of chakra being a new form of biotic power in the Mass Effect world. There are also likely fanfictions that explore what would happen if Shepard met Naruto and they had to team up to fight a common enemy.