Power dynamics also play a role. Nasuada is a powerful leader and Murtagh has his own set of powers. Fanfictions may explore how their different positions of power affect their relationship, whether it creates tension or a sense of mutual respect.
One great place to find murtagh and nasuada fanfiction is Archive of Our Own (AO3). There are many well - written stories there that explore their relationship in different ways, from angsty reunions to adventures they might have together.
Saphira is often a popular character. Since she is Eragon's dragon, she can add a lot of depth to the story. Her unique abilities and her relationship with Eragon can influence the interactions between Eragon and Murtagh in the fanfiction.
The OC could be integrated into the story by having a shared past with either Eragon or Murtagh. Maybe they grew up in the same village as Eragon but were separated when the Ra'zac attacked. Years later, they reunite and the OC can offer some unique perspective or ability to the situation. Or, if the OC has a connection to the dragons in a different way than Eragon and Murtagh. For instance, the OC might have a special bond with a dragon that was thought to be lost. This would bring them into the story as they try to protect their dragon friend and get involved in the events related to Eragon and Murtagh. Also, the OC could be a trader who has information about the movements of the enemy forces. They could trade this information to Eragon and Murtagh in exchange for protection or some other favor, thus becoming part of the story.
There is definitely some out there. A lot of fanfiction writers are drawn to the potential of a relationship between Eragon and Nasuada. Some fanfics might explore how their different leadership styles could impact their relationship. For example, Eragon's more impulsive nature compared to Nasuada's calculated leadership. You might have to dig a bit to find the really good ones, but they're there.
Sure, there are some great pieces of fanfiction for this pairing. In some of these stories, they might be involved in political intrigue together, given Nasuada's leadership role. The fanfiction could also explore how their different upbringings and personalities interact, making for a really fascinating read.
A common theme is adventure. Since Murtagh is often involved in action - filled storylines, the OC usually joins him in his adventures. Another theme is romance. Writers might pair the OC with Murtagh in a romantic relationship, exploring their chemistry and how they grow together.
One great 'Harry Potter and Murtagh' fanfiction is 'The Unlikely Alliance'. It explores a scenario where Harry and Murtagh meet and have to work together against a common dark force. Their different magical backgrounds lead to some really interesting interactions.
There are some out there. Some of them explore the complex relationship between Eragon and Murtagh in a romantic way. They might delve into how their shared experiences could lead to a deeper emotional connection. However, the quality can vary, so it's best to read the reviews or summaries first.