In some fanfictions, Katara might hurt Zuko physically during a fight. For example, if they have a misunderstanding and their elemental powers clash, Katara's waterbending could accidentally strike Zuko and cause him harm.
One common theme is redemption. Zuko has been through so much pain, and many fanfictions explore how he tries to redeem himself despite all that. Another theme is self - discovery. His hurt often leads him to question who he is and what he wants. And of course, there's the theme of family. His relationship with his father and sister is often a big part of the hurt he experiences and how he overcomes it.
You can try searching on popular fanfiction websites like Archive of Our Own (AO3). Just type 'Zuko hurt' in the search bar, and it'll show you a list of relevant fanfictions.
One common theme is redemption through pain. Zuko has a complex character arc in the original series, and in hurt fanfictions, his pain can be a catalyst for further growth. For example, he might get physically injured during a fight and then realize something important about himself or his relationships.
One great Hurt Zuko fanfiction is 'The Scarred Prince'. It delves deep into Zuko's inner turmoil after his many hardships. Another is 'Zuko's Hidden Pain' which shows his struggles in a very emotional way. There's also 'When Zuko Fell' which focuses on a particular difficult moment in his life and how he coped with it.
Physical harm during battles is also a theme. Since Zuko is often in the middle of combat, fanfictions might depict him getting seriously injured. This could then lead to him having to deal with the physical pain as well as the worry of his friends and allies. Writers might explore how his relationships change or strengthen during his recovery.
You can try fanfiction websites like Archive of Our Own (AO3). Just search for 'Avatar Zuko Hurt' in the search bar there, and you'll get a bunch of relevant stories. Many writers are inspired by Zuko's complex character and create interesting scenarios where he gets hurt, whether it's physically or emotionally.
Zuko's complexity makes him so interesting in these fanfictions. He has a troubled past which has shaped him, but he is constantly evolving. His ability to show vulnerability in front of the reader is another great trait. It allows for a deeper emotional connection between him and the reader, as seen in stories where he opens up about his insecurities and fears.
Zuko could become extremely angry. If someone has intentionally hurt Katara, he would likely seek revenge. He has a strong sense of justice, and Katara is someone he cares about. So, he would not let the person who hurt her get away easily. For example, he might use his firebending skills to confront the perpetrator.
Some fanfictions explore their role in rebuilding the world after the war. Zuko and Katara could be working together to restore balance between the nations. This kind of fanfiction often shows their leadership skills and how they complement each other.