One great 'Avatar The Last Airbender Zuko Fanfiction' is 'The Phoenix and the Dragon'. It delves deep into Zuko's inner turmoil and his journey of redemption. The author does an amazing job of portraying Zuko's complex character, showing his growth from a bitter, angry young man to someone who is more understanding and compassionate.
Well, kind of. In the series, Zuko and Katara have a complex relationship. At first, Katara hates Zuko because of his actions as an enemy of the Avatar and her people. However, as Zuko changes and joins the Avatar's group, they start to bond. There are moments where their relationship seems to be more than just friendship, like when they share some emotional and intense scenes together. But it's not a straightforward love story. It's more like a relationship that has the potential to turn into love, but it's left somewhat open - ended.
You can start by looking on Archive of Our Own (AO3). It has a huge collection of fanfictions, and there are many dedicated to Zuko from 'Avatar The Last Airbender'. Just use the search function and type in 'Zuko' and the relevant tags.
I liked 'Katara and Zuko's New Beginnings'. It's a fanfic that takes place after the end of the series. It focuses on how they navigate the new world order together. There are some really sweet interactions between them as they try to build a new life for themselves and their friends. It also has some great action scenes where they use their bending abilities side by side.
Zuko was the banished prince of the Fire Nation. His father, Fire Lord Ozai, burned his face during an Agni Kai when Zuko refused to fight. He was then sent on a seemingly impossible quest to capture the Avatar to regain his honor.
Well, the theme of family also often comes up. Zuko's family situation is complicated, and Mai is also affected by her family's expectations. Fanfics may explore how their relationship is influenced by their families. For example, how Zuko's relationship with his father affects his relationship with Mai. Also, the theme of growth is common. Both Zuko and Mai grow as characters in fanfics, learning more about themselves and each other.
The setting and plot should tie in well with the Avatar universe. A fanfic that has them travel to different parts of the world, like exploring ancient Fire Nation ruins or hidden Water Tribe enclaves, can be really engaging. And of course, the dialogue has to be on point. Their conversations should be filled with the tension that comes from their different backgrounds and the new - found respect and friendship that develops over time.
Aang would feel a sense of urgency and his connection to Katara would make him even more determined. He would call upon the spirits if necessary to find her. Sokka would be full of fury and his strategic mind would be working overtime to come up with a plan. He would also be very protective of his sister's honor during this time. Toph would be steadfast in her support for the rescue. She might even create some distractions to help the others get closer to Katara. The Fire Nation soldiers who respect Zuko might be confused by his actions, while those who dislike him might see it as an opportunity to bring him down. And Katara would be using her waterbending skills to defend herself and try to escape at every opportunity.