One possible fanfiction could be where Aang sacrifices himself to save the world from a new, powerful dark spirit. In this story, his friends are left to carry on his legacy of peace and balance.
In some aang dies fanfiction, Aang could pass away due to an illness that he couldn't overcome. His death then becomes a catalyst for change in the Avatar world. His disciples might then take it upon themselves to spread his teachings more vigorously, and there could be a struggle among different nations to claim his legacy, leading to both political and personal dramas.
There might be a fanfiction where Aang dies in an unexpected accident during a mission. This could lead to a deep exploration of how his friends cope with the loss, like Katara struggling to come to terms with the death of her dear friend and how she uses her waterbending to honor his memory.
In some fanfics, Aang might die in battle against a powerful enemy. He gives his all but is ultimately overpowered.
One great female Aang fanfiction could be one where she is a powerful waterbender from the Southern Water Tribe. She meets Aang during his journey and they form a strong bond as they fight against the Fire Nation together. It could explore their friendship and how she helps him master waterbending techniques.
One could start by looking on popular fanfiction platforms. Some might be about Aang's journey after being separated from his friends for a long time. Maybe there are stories where he has to face new challenges alone in a strange land.
Some fanfictions focus on the emotional side of their relationship. For example, Aang helps Toph deal with her family issues while Toph teaches Aang how to be more assertive. It's a really interesting exploration of their characters in a non - combat - related scenario.
One good 'Aang broken' fanfiction could be one where Aang struggles with the aftermath of a great battle. Maybe he has lost some of his friends and is dealing with survivor's guilt. This could lead to him being 'broken' in the sense of his spirit being damaged.
One popular 'Aang and Katara romance fanfiction' is 'The Journey of Their Hearts'. It beautifully depicts their relationship development after the end of the series. Another great one could be 'Aang and Katara: Love Beyond the Elements' which focuses on how they overcome cultural differences in their love. There are also many on fanfiction.net, you just need to search for 'Aang and Katara romance' and explore the ones with high ratings.
One popular one might be 'Aang and Toph's First Kiss' which beautifully captures the moment with great description of their emotions. It shows how their relationship has developed to that point.
Some fanfictions in this category could focus on Aang's relationships. For example, a story about how Aang helps Toph deal with a family issue that she's been hiding. This would show a different side of Aang, not just as the Avatar but as a true friend. It could also explore how their friendship deepens through this experience.
There's also 'Spike's Ending'. This fanfiction could focus on how the other characters in the story react to Spike's death. It might explore their grief, and how they carry on with his memory, perhaps leading to some changes in their own lives.
In the fanfiction 'Lost in the Shadows', a Pokemon dies because of a misunderstanding and a series of unfortunate events. It's a rather tragic tale that makes readers feel for the characters. Additionally, 'The Last Breath' is a story that shows a Pokemon using its last ounce of strength to protect its trainer and then succumbing to its injuries.