Aang could save the Airbenders in the fanfiction by first finding out the root of the threat they are facing. If it's a powerful enemy bent on destroying them, he may seek allies among the other benders, like the Earth Kingdom or the Water Tribes. He'd then use his airbending to scout the enemy's territory undetected. Once he has all the information, he could use his skills to either directly confront the enemy or find a way to neutralize the threat. For instance, if the enemy is using some sort of dark magic, Aang could use his pure Avatar energy to dispel it and free the captured Airbenders. And of course, he'd use his airbending to fly around and quickly transport the Airbenders to a secure location.
Aang is obviously the most important character as the title implies that he is the one honoring the Airbenders. His friends like Katara, Sokka, and Toph might also be important. Katara could be there to support Aang in his journey of honoring his people. Sokka might offer his strategic thinking and humor. Toph, with her earthbending skills, could also play a role, perhaps in protecting Aang during his efforts to honor the Airbenders.
In 'aang honors the airbenders fanfiction', the theme of remembrance and respect stands out. Aang would surely focus on remembering the great airbenders of the past. He might do this by performing ancient airbending rituals, passing on the stories of his predecessors to the new generations. Additionally, the theme of hope could be there. By honoring the airbenders, he gives hope to the future that their legacy will not be forgotten and will continue to influence the world of bending.
It could be the Fire Nation remnants who still hold grudges against the airbenders. They might be trying to finish what they started years ago.
One challenge could be the strength of the enemy. If the enemy is very powerful, it would be difficult for Aang to overcome them alone. Another challenge might be the lack of resources. He may need certain items or help from others to save the Airbenders but not be able to get them easily.
One interesting plot point could be how Aang uses his unique airbending skills in new and creative ways to protect the airbenders. Maybe he discovers ancient airbending techniques that are long forgotten and uses them to fend off enemies. Another could be the relationships he forms with other airbenders during the protection process, which might include some internal conflicts within the airbender community.
In some fanfics, Aang might die in battle against a powerful enemy. He gives his all but is ultimately overpowered.
He might start by observing. Aang is a curious person, so he'd likely watch how people live, how they interact with technology. He may also try to find other benders to learn about any new developments in bending. And he'd probably use his kind heart to make friends easily in this new future environment.
Aang might go into a deep state of depression. He has always been an emotional character, and having his heart broken by Katara, someone he loves deeply, could send him into a downward spiral. He might isolate himself from his friends and stop practicing his bending for a while.
Well, Aang being the Avatar has a deep connection with the elements. In this fanfiction, perhaps he enters the Avatar State and uses all his elemental powers in harmony. He could use waterbending to create moisture and cool the volcano, combined with his airbending to disperse the heat and gases.
His refusal can also build tension. Other characters might not understand his stance, or they might be frustrated by it. This can create conflict within the story, both between Aang and his allies, and between Aang and his enemies who might not expect his mercy. For example, some of his friends might think that killing a particularly dangerous enemy is the only way to ensure safety, but Aang stands firm, causing a rift in their relationships. This adds an extra layer of drama to the plot.