Another theme is friendship and loyalty. Aang often forms strong bonds with the members of the South Water Tribe. They support him in his avatar journey, and he in turn helps them protect their tribe from various threats. This mutual support and loyalty is a key aspect in these fanfics.
There's also 'Aang's South Water Tribe Adventure'. In this fanfic, Aang arrives in the South Water Tribe during a difficult time. He uses his avatar abilities to help the tribe face challenges, and during this process, he forms a deep connection with a South Water Tribe girl. The story is filled with action and heartwarming moments as Aang tries to balance his avatar duties and his new - found relationships in the tribe.
One popular 'Aang Saves Katara' fanfiction can be found on Archive of Our Own. Just search for the exact phrase and you'll likely get a good selection. There are often stories where Aang uses his airbending skills in creative ways to rescue Katara from various dangerous situations.
A common plot element is that Katara is usually in some sort of immediate danger. It could be she's captured by the enemy, or about to be harmed by a natural disaster. And Aang, with his heroic nature, feels compelled to save her.
In the new Princess Huanzhu, the scene of Xiao Jian saving Qinger from falling into the water happened in episode 40. At that time, Qinger and Xiao Jian had escaped onto the boat while fighting with the experts. However, there were a few experts hiding under the boat. Their sudden appearance caused Qinger to fall into the water. Xiao Jian was very anxious, but he couldn't find Qinger, so he went into the water to search. In the end, he found Qinger injured. Xiao Jian urgently saved Qinger and used artificial resuscitation to wake her up. This scene showed Xiao Jian's concern and worry for Qinger.
Yes, if the title 'aang is a firebender fanfic' is to be taken literally, then aang is likely a firebender within this fanfic. However, without actually reading the fanfic, there could be some sort of plot twist or alternative interpretation that might make it not so straightforward.
Since 'lemon' fanfic is inappropriate, we can't really discuss the characteristics in that context. But in general, aang is known for his kind - hearted and adventurous spirit. Toph is strong - willed and independent. In proper fanfic, these traits are often explored in their relationship, like how aang's optimism might contrast with toph's more cynical view at times.
He could meet his future self. It would be an interesting encounter as he could learn from his future experiences and wisdom. Or he might meet people who have studied his past adventures and see himself through their eyes.