Well, in fanfiction, Aang's tattoos often play a big role. They can be a way to show his connection to the Air Nomad culture that was almost lost. It could also be a visual cue for his development as a more powerful and wise Avatar. Maybe in some fanfics, the way he gets his tattoos is different from the original story, which adds an interesting twist to his character arc.
Another plotline could involve an enemy trying to stop Aang from getting his tattoos. They fear that once he has them, he'll become too powerful. So, they send various obstacles in his path, like attacking the place where he's getting the tattoos or trying to corrupt the tattoo artist.
One interesting story could be about the spiritual journey Aang undertakes while getting his tattoos. Maybe he has visions during the process that give him insights into his future role as the Avatar. For example, he might see flashes of the challenges he'll face in bringing balance to the world.
In some fanfiction, Aang's tattoos might be depicted as glowing with a special power when he reaches a new level of understanding or connection to the Avatar state.
Well, he might get a tattoo of the Rasengan on his palm. Since the Rasengan is one of his signature moves, it would be a cool and meaningful tattoo. He could also have a tattoo of his master, Jiraiya's, book mark. It would be a way to honor his mentor. Additionally, a tattoo of the chakra pathways on his body could be an interesting concept, highlighting his ninja powers.
In a fanfiction of Aang and Toph getting married, it could be really sweet. Maybe it would start with Aang nervously proposing to Toph in their favorite place in the Avatar world. Toph would probably be her tough - yet secretly soft - self and accept in her own unique way. Their wedding could be a grand affair with all their friends from different nations coming together. It would be a blend of different cultures, like air nomad traditions of peaceful chants during the ceremony and earth kingdom's strong and stable architecture for the venue.
The tattoos could signify his rebellious nature. As for the rituals, they might be a way to connect with his ancestors. For instance, a tattoo of a constellation could be related to a family ritual of stargazing and drawing power from the stars.
Aang is super important. He's the main character who has the power to save the world and bring balance.
Ace tattoos in manga might signify a character's affiliation with a particular group or indicate a past event that has shaped them. They can enhance the character's personality and add depth to the story.
Adler comic tattoos can have various meanings depending on the individual. They might represent a love for comics or a specific character from an Adler comic.
The fanfiction might focus on how opening his chakras changes Aang's relationship with his friends and his role as the Avatar. For example, it could make his connection with the spiritual world stronger, leading to new abilities that he has to learn to control. It could also explore how his friends react to this new, more powerful Aang.