A Breath of Flame
After Harmonic Convergence transforms a Fire Nation nonbender into one of the world's first new airbenders, she is swept into the rebirth of the Air Nation—and into an unexpected romance with General Iroh II, forcing them both to confront the complicated legacies of fire, air, duty, and freedom.
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The Red Silk Binding: ATLA AU
𝓴𝓲𝓻𝓫𝔂 (。•ᴗ•。)
You were chosen as the treaty bride, given to end a war with the blood of your own people still wet on your hands, promised to the cursed, burned son of the Fire Nation, Fire Lord Zuko. You swore on that blood you would never love your arranged husband. But your husband was not the monster the treaty had made of him; and you were about to learn that a love born out of hatred burns hotter than any love born gently, and that some fires do not warm a house. They take it down to the ground first.

Promised to the Fire Nation
Koral
Betrothed to the Fire Nation prince since childhood, you spend years dreading your future—until the boy you feared becomes the only person who truly understands you.

The Devil's Threshold
ℌ𝔲ā ℭ𝔥é𝔫𝔤
There are things in existence that were never meant to be discovered. Doors that should remain closed, secrets that should remain buried, and opportunities that come with consequences no mortal could possibly anticipate. One such place is Hell. An ancient, magnificent dominion existing beyond the boundaries of the mortal world, ruled by Lucifer Morningstar—the Devil, King of Hell, and one of the oldest and most powerful beings in existence. Contrary to everything humanity believes, his kingdom isn't merely a desolate wasteland of flames and suffering. It is breathtaking: golden landscapes, celestial rivers, enchanted forests, magnificent gardens, ancient structures, and an enormous gothic palace unlike anything in creation. Lucifer has ruled this kingdom for eons. His authority is absolute, his power virtually unmatched, and his existence is known throughout the celestial and infernal realms. Then, one ordinary evening, something changes. While wandering through an unfamiliar forest, you discover an enormous black door standing entirely alone. No walls, no building, no explanation. Just an ancient door, seemingly waiting to be opened. Curiosity gets the better of you. You turn its golden handle and step through. Beyond it lies an entirely different world. You have unknowingly crossed into Hell, through an ancient dimensional passage sealed by Lucifer himself. A place no ordinary mortal should ever be able to enter. And your arrival doesn't go unnoticed. An unfamiliar human has appeared within the Devil's dominion. Not summoned, not invited, and certainly not expected. Lucifer naturally takes an interest in the disturbance. After all, how does an ordinary mortal manage to cross an ancient boundary that even powerful supernatural beings cannot casually traverse? But entering Hell is only the beginning. An unfamiliar kingdom presents unfamiliar possibilities. Ancient secrets, forbidden places, mysterious objects, extraordinary discoveries, and opportunities that might be far more tempting than they initially appear. Some things are forbidden for a reason, and some choices may carry consequences extending far beyond anything you could anticipate. You may explore, investigate, uncover secrets, take risks, accept unusual opportunities, or find yourself caught in circumstances you never intended to enter. And all the while, there is Lucifer. An ancient sovereign with his own interests, rules, secrets, and intentions. He is not someone easily surprised, nor someone accustomed to having his authority or kingdom challenged by the unexpected. Yet somehow, you've managed to become an exception. A forbidden threshold. An uninvited mortal. A kingdom full of possibilities. And choices whose consequences might change far more than you ever intended.

My Favorite Secret: JJK College AU
𝓴𝓲𝓻𝓫𝔂 (。•ᴗ•。)
A small-town bookworm arrives at Jujutsu Tech, only to become the unexpected obsession of two rival fraternity heirs—one golden, Satoru Gojo, one dangerous, Ryomen Sukuna —in a high-stakes college romance where the only thing more ruthless than the parties is the pursuit.

The Avatars Concubine • ATLA AU ᰔ
𑣲ෆ𝐅𝐥𝐚𝐦𝐞𝐨𝐅𝐚𝐧𝐟𝐢𝐜
The war is over, but the world is still broken, and the Avatar is the one holding it together. After years of rebuilding Republic City and the air temples, Aang is exhausted, and the last thing he wants is a Companion. You're Reiko, a poised earthbender of noble birth, trained in every nation and handpicked by the Fire Lord himself. You'll travel the world at his side, from ancient ruins to the half-restored Northern Air Temple, and your influence reaches farther than he realizes. Win over a man who keeps you at arm's length, represent the Avatar with grace, and decide what to do about the boy you once had a crush on, who may not even remember you.

When’d You Get So Hot? | Zuko x Reader
KinleyT
As Fire Lord Zuko’s childhood best friend, now his right-hand woman, you saw the vision.

Last Summer Secret - Avatar College AU
LOFI
You moved to Republic City expecting university to be the difficult part. Instead, you found yourself dropped into a campus where everyone already has a history with everyone else. One chance meeting with a girl named Katara quickly pulls you into a friend group filled with athletes, artists, overachievers, party addicts, hopeless romantics, and people carrying far more secrets than they should.

Ashes and Promises
BaileyBae
In this Avatar: The Last Airbender story, you are Prince Zuko's childhood best friend and betrothed, imprisoned for loyalty to a traitor and waiting for the day he comes back for you.

A Dragon’s Sonata
melimel
You were a dragon in human form. A forgotten prisoner, isolated in the tower of the Fire Nation Palace. You were imprisoned here from the first Sozins Comet. You don’t know how long you’ve been here. You were the last of your kind, you were of royal dragon lineage although you hatched in the cell, you knew who you were. It was in your blood. One day you felt golden eyes watching you from the shadows, a young man, handsome and beautiful. Zuko.

Study in Fire | Professor Zuko
LOFI
You enrolled in Professor Zuko's literature course because you wanted to become a writer. You quickly discovered that was a terrible decision. Every paper came back covered in red ink. Every workshop left you feeling challenged. Every discussion somehow ended with Professor Zuko pointing out flaws you hadn't even noticed. He's brilliant. He's intimidating. And he's completely incapable of staying away from you.