I highly recommend 'Tali's Redemption'. In this fanfic, Tali faces a personal crisis after a mission gone wrong. It's a great read as it shows her vulnerability and her strength in overcoming it.
A unique OC concept can make it interesting. For example, if the OC has a special ability or background that interacts in an unexpected way with Tali's culture or her role as a Quarian. Maybe the OC is a biotic with a new form of power that Tali has to learn to work with.
Shepard and Tali's relationship in fanfiction can also take a more romantic turn. Writers might describe their growing feelings for each other, starting from their initial meetings and gradually developing into a deep love. This could involve tender moments between them, like sharing a quiet moment on the Normandy while looking out at the stars, and how they overcome the differences in their species and cultures to be together.
One common theme is the exploration of cultural differences. Since Tali is a Quarian and the OC is, well, an original creation, their different cultures can lead to interesting interactions. Another theme is adventure. They might go on quests together across the galaxy.
One of the things that make 'Mass Effect Tali fanfic' interesting is the exploration of her quarian heritage. Tali is a quarian, and her people have a complex history and culture. Fanfic can explore how this heritage affects her decisions and actions. Additionally, the 'Mass Effect' series has a large and passionate fan base. This means that there are many different interpretations of Tali in fanfic. Some may focus on her as a love interest, while others may focus on her as a warrior or a scientist. This variety of perspectives keeps the 'Mass Effect Tali fanfic' genre fresh and exciting.
There are fanfics that focus on Tali's relationships within the Mass Effect universe. For example, some explore her friendship with Shepard in a more in - depth way, showing their conversations and how they support each other during difficult times.
There's a great one that focuses on their interactions during the war. It shows how they both struggle with their identities in the context of the conflict between the quarians and the geth. It's really interesting to see how they find common ground.
One idea could be a story where Tali and Legion are forced to work together on a mission to decrypt an ancient geth code that holds the key to saving a colony. Along the way, they start to understand each other's cultures better.
Well, often in fanfiction about Tali being pregnant in Mass Effect, it can add a whole new layer of drama. Her pregnancy could be a symbol of hope for the future, especially considering the state of the galaxy in the game. It might also lead to some great character development, not just for Tali but for those around her. Maybe her friends on the Normandy would have different reactions, some being overly protective while others might be a bit more cautious due to the uncertainties that come with an inter - species pregnancy if that's the case in the fanfic.
There are some great ones out there. You can start by looking on fanfic platforms like Archive of Our Own. Some fanfics might focus on Jack's relationship with the main character in new and interesting ways, or they could explore Jack's backstory more deeply within the context of the Mass Effect universe.