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The Fire Nation palace had never been warm.
That was the first thing Katara noticed when she agreed to stay. Not the temperature—though the caldera made everything uncomfortably humid, a thick blanket of heat that clung to her skin like a second layer—but the atmosphere. The walls were made of stone and gold, polished to a shine that reflected candlelight in a thousand dancing points, but beneath the grandeur, there was something cold. Something hollow. Something that felt like grief pressed into the foundations, layer by layer, over a hundred years of war and fire and fear.
Zuko was trying to change that. She could see it in the way he greeted the servants—by name, always by name, with a genuine smile that crinkled the unscarred side of his face. She could see it in the way he held meetings in the garden instead of the throne room, as if fresh air and sunlight could scrub away the stains of his father's reign. She could see it in the way he lingered over maps of the Earth Kingdom, tracing borders with his fingertip, murmuring about reparations and reconciliation and all the ways he wanted to make things right.
He was trying so hard. Too hard, maybe. Katara watched him work himself to exhaustion day after day, night after night, until the shadows under his eyes looked like bruises and his voice grew hoarse from too many speeches and too little sleep. She brought him tea when he forgot to eat. She sat with him in the war room when the weight of the crown pressed down on his shoulders like a physical thing. She listened when he talked about his father, about his sister, about all the ways he had failed and all the ways he was trying to do better.
She didn't know when she had become his confidant. It had happened gradually, almost imperceptibly, like the tide coming in—one day she was just a visitor, a guest, a foreign diplomat helping to negotiate the terms of peace, and the next she was... something else. Something more. Something she didn't have a name for yet.
The weeks turned into months. The months turned into a year. And Katara, who had always thought of herself as someone who belonged to the water, who belonged to the South Pole, who belonged to the icy shores and the aurora-lit skies of her homeland, found herself thinking of the Fire Nation palace as something almost like home.
That was dangerous. She knew it was dangerous. But she couldn't seem to make herself leave.
She met Azula on a Tuesday.
It had not been planned. Zuko had been reluctant to allow it, his jaw tightening in that particular way that meant he was remembering things he would rather forget. He had warned Katara that Azula was dangerous, manipulative, broken in ways that might never be fixed. He had told her about the asylum, about the chains, about the way his sister had screamed and raged and tried to burn down everything he had built.
But Katara had seen something in Zuko's eyes when he talked about Azula. Something that looked like grief. Something that looked like hope. Something that looked like the desperate, aching need of a brother who had not stopped loving his sister, even after everything.
So she had asked to meet her. And Zuko, because he could never say no to Katara, had agreed.
The room was at the end of a long corridor, guarded by two soldiers who snapped to attention when they saw the Fire Lord approaching. The door was heavy, reinforced with steel, and it took a moment for the guards to unlock it—three separate locks, each requiring a different key. Katara's stomach turned at the implications. Azula was not a guest here. She was a prisoner. A prisoner in her own home, in her own nation, in a palace that had once been hers.
The room inside was sparse but not cruel. There was a bed, a desk, a window that looked out onto the garden—though the bars on the outside made it clear that the view was not a gift but a reminder. Azula was sitting on the floor in the corner, her knees drawn up to her chest, her dark hair falling in tangled waves around her face. She looked smaller than Katara remembered. Thinner. More fragile, like a porcelain doll that had been dropped one too many times.
When she looked up and saw Katara standing in the doorway, her golden eyes—so like Zuko's, and yet so different—widened in surprise.
"The waterbender," Azula said, and her voice was hoarse from disuse. "Come to gloat? Come to tell me how your little peasant rebellion saved the world while I rotted in here?"
Katara stepped into the room. Behind her, she heard Zuko's sharp intake of breath, felt his hand brush against her arm as if to pull her back. She ignored him.
"No," she said simply. "I came to see if you were okay."
Azula laughed. It was an ugly sound, broken and jagged, like glass shattering on stone. "Okay? I'm in a cell, waterbender. I've been in a cell for over a year. My brother is sitting on the throne that should have been mine. My father is in a prison of his own, stripped of his bending and his dignity and everything that made him who he was. My nation is being dismantled piece by piece, handed over to the very people we conquered. And you want to know if I'm okay?"
She laughed again, and this time, there were tears in her eyes.
"That's rich. That's really rich."
Katara didn't flinch. She had faced monsters before—had faced Azula before, in the final Agni Kai, when lightning had crackled between her fingers and madness had danced in her eyes. The girl in front of her was not that monster. She was something else. Something wounded and dangerous and desperately, achingly human.
"I'm not here to mock you," Katara said. "I'm not here to judge you. I'm here because Zuko asked me to be. Because he's worried about you. Because despite everything you've done, despite everything you've taken from him, he still loves you. And he doesn't know how to reach you."
Azula's face twisted. "Zuko doesn't love me. Zuko is afraid of me. There's a difference."
"No," Katara said, and she took another step closer, close enough now that she could see the individual lashes of Azula's eyes, the way her lips trembled. "There isn't. Not for him. He's spent his whole life being afraid of the people he loves. His father. His uncle. You. Fear and love are tangled up together in his heart, and he doesn't know how to untangle them. But he's trying. He's always trying."
Azula stared at her for a long moment. Then, slowly, her body began to uncurl. Her legs stretched out in front of her. Her shoulders relaxed. Her hands, which had been clenched into fists, went limp in her lap.
"You're strange," Azula said finally. "You're very strange. Most people who come in here want something from me. Information. Confessions. Some kind of closure that I can't give them. But you—you don't want anything. You're just... here."
"I'm just here," Katara agreed. "Is that so hard to believe?"
"Yes." Azula's voice was quiet now, almost childlike. "Yes, it is."
Katara sat down on the floor across from her. The stone was cold beneath her legs, but she didn't mind. She had grown up on ice and snow; a little chill was nothing to her.
"Tell me about your mother," she said.
Azula blinked. "What?"
"Your mother. Ursa. Zuko told me she left when you were young. He told me you took it hard. I want to know what that was like for you. I want to know what you remember."
Azula's face went pale. For a moment, Katara thought she had pushed too far, crossed a line that should have been left uncrossed. But then Azula started talking.
She talked about Ursa's hands—soft and warm, the way she used to braid Azula's hair when she was small, before everything went wrong. She talked about the way her mother used to look at Zuko—with love, always with love, the kind of love that Azula had never quite been able to earn. She talked about the night Ursa left, the silence that followed, the way Ozai had filled that silence with lessons about strength and power and the weakness of caring too much.
She talked for hours. And Katara listened.
After that, Katara visited Azula every day.
She brought tea—jasmine, because Azula had mentioned once that it was her favorite—and books from the palace library, and stories about the outside world that Azula had been cut off from for so long. She told her about the rebuilding efforts in the Earth Kingdom, about the new schools in the Southern Water Tribe, about the baby sky bison that had been born at the Eastern Air Temple. She told her about Sokka's terrible jokes and Toph's blind earthbending demonstrations and the way Aang had started growing his hair out, just to see what it looked like.
Azula listened. She didn't always respond—sometimes she just sat there, her golden eyes fixed on Katara's face, absorbing her words like a desert absorbing rain. But she was listening. And slowly, gradually, something began to change in her.
She started asking questions. About the war, about the peace, about the people who had once been her enemies and were now her brother's allies. She asked about Zuko—how he was doing, whether he was eating enough, whether he was sleeping. She asked about Mai, about Ty Lee, about the girls who had been her friends and her followers and her victims.
Katara answered every question honestly. She didn't sugarcoat. She didn't lie. She told Azula about the nightmares that still plagued Zuko, about the way he sometimes flinched at loud noises, about the guilt that gnawed at him every time he sat on the throne. She told her about Mai's new life in the Fire Nation colonies, about Ty Lee's work with the Kyoshi Warriors, about the complicated, messy, beautiful process of healing.
And Azula, for the first time in her life, listened without plotting.
It was Zuko who noticed the change first. He had been watching from a distance, too afraid to see his sister himself but too curious to stay away entirely. He saw the way Azula's posture had softened, the way her voice had lost some of its sharp edges, the way she looked at Katara like she was something precious and rare.
"She's different," Zuko said one night, finding Katara in the garden after one of her visits. "Azula. She's different with you."
Katara looked up at him. The moon was full overhead, casting silver light across his face, softening the hard lines of his scar. "She's always been different," she said. "She just never had anyone to show it to."
Zuko sat down beside her on the bench, close enough that their shoulders almost touched. "You're good at that, you know. Seeing the best in people. Believing that they can change."
"It's not about believing they can change," Katara said. "It's about giving them the space to try. Most people never get that. They're too busy being told who they are to figure out who they could be."
Zuko was quiet for a moment. Then, softly, he said, "You did that for me. Gave me the space to try. Back when we were hunting Aang, when I was still—when I was still so lost—you looked at me and saw something worth saving. I've never forgotten that."
Katara's heart skipped a beat. She looked at him—really looked at him, at the firelight reflected in his eyes, at the way his hair fell across his forehead, at the small, tentative smile playing at the corners of his lips.
"Zuko—"
"I know," he said quickly, looking away. "I know it's not—I know you and Aang—I'm not trying to—"
"You're not trying to what?" Katara asked, even though she knew. She knew what he was trying to say. She had known for weeks, maybe months, maybe since the first time she had watched him hold a crying child in a burned-out village, murmuring words of comfort in a voice that should have been too young for so much sorrow.
Zuko took a breath. "I'm not trying to complicate things. I just—I wanted you to know. That I see you. That I appreciate you. That you're the best thing that's happened to this palace since—since I took the throne."
Katara reached over and took his hand. His skin was warm—it was always warm, burning with the inner fire of his bending—and she felt the heat travel up her arm, through her chest, settling somewhere behind her ribs.
"You're not complicating things," she said. "You're just... saying things. And that's okay. I like it when you say things."
Zuko's smile widened. "I like it when you listen."
They sat together in the garden, hand in hand, watching the moon trace its slow path across the sky. And somewhere in the palace, behind a barred window, Azula watched them and smiled.
The scheming started small.
Azula, confined to her room as she was, had limited resources. But she had something more valuable than gold or weapons or political influence: she had time. Hours and hours of time, stretching out in front of her like an endless road, and she had spent most of that time watching.
She watched the way Zuko looked at Katara when he thought no one was paying attention. She watched the way Katara smiled at Zuko when she thought he wasn't looking back. She watched them orbit each other like planets caught in the same gravitational pull, circling closer and closer, always just missing the collision that would bring them together.
They were in love. Anyone with eyes could see it. Anyone but them, apparently, because neither of them seemed willing to make the first move.
Azula found this both infuriating and deeply, darkly amusing. Here were two people who had faced down tyrants and armies and the end of the world, and they were too scared to confess their feelings to each other? Pathetic. Absolutely pathetic.
She needed to do something about it. But confined to her room, with only her thoughts and her memories and the occasional visit from Katara, her options were limited.
So she started recruiting.
The first recruit was the head chef, a round woman with kind eyes and a stubborn streak that matched Azula's own. Her name was Lin, and she had worked in the palace kitchens for thirty years—through Fire Lord Azulon, through Fire Lord Ozai, through the war and the occupation and the fall of everything she had once believed in. She had no love for the royal family, not after everything they had done, but she respected Zuko for trying to change, and she adored Katara for the way she treated the servants like people instead of furniture.
"Those two need to get together," Azula said one afternoon, when Lin had brought her dinner tray. "It's painful to watch. Like watching two turtleducks trying to mate."
Lin raised an eyebrow. "And what do you expect me to do about it, Your Highness? I'm a cook, not a matchmaker."
"Every great matchmaking scheme starts with food," Azula said, completely seriously. "Romantic dinners. Candlelit tables. Dishes that make people feel things. You have the power to set the mood, Lin. Use it."
Lin considered this. Then, slowly, she began to smile. "I do have a recipe for fire flakes that's been in my family for generations. Very romantic. Very... spicy."
"Perfect," Azula said. "Make it for their next private dinner. And make sure they're seated somewhere with a good view of the sunset."
The first dinner was a success—sort of. Zuko and Katara did eat the fire flakes, did sit through the sunset, did linger at the table long after the meal was over. But they didn't kiss. They didn't confess their undying love. They just... talked. About the war, about the peace, about the future. About everything except the one thing that mattered.
Azula was not deterred.
The second recruit was the head gardener, a young man named Ren whose family had tended the palace gardens for three generations. He was quiet, observant, and deeply invested in the romantic lives of the people he worked for—mostly because he had nothing better to do, but also because he genuinely believed that beauty should be shared.
"I can plant moonflowers," Ren suggested, when Azula cornered him in the greenhouse. "They only bloom at night, under the full moon. Very romantic. Very... intimate."
"Do it," Azula said. "And plant them near the bench where they always sit. The one by the koi pond."
Ren nodded and got to work. Within a week, the bench was surrounded by a sea of white blossoms, glowing softly in the darkness like a thousand tiny stars. Zuko and Katara noticed, of course—how could they not?—and they started sitting there more often, drawn by the beauty and the fragrance and the quiet magic of the moonlit garden.
But still, they didn't kiss.
Azula was losing patience.
The third recruit was unexpected.
Ty Lee had come to visit—not to see Azula, not at first, but to check on Zuko and offer her services as a Kyoshi Warrior. But when she heard about what Azula was trying to do, her face lit up with an expression of pure, unadulterated joy.
"Oh, this is amazing!" Ty Lee squealed, bouncing on her heels. "Zuko and Katara? I knew it! I knew they were meant to be together! Their auras are so compatible—like, ridiculously compatible—I could see it from a mile away!"
Azula, who had never quite understood Ty Lee's obsession with auras but had learned to accept it, nodded patiently. "Yes, yes. Very compatible. Now help me figure out how to get them to actually do something about it."
Ty Lee thought for a moment. Then her eyes widened. "What if we locked them in a room together? Forced proximity! It works every time!"
"We're not locking them in a room," Azula said, though she had to admit the idea had some merit. "That's called kidnapping. It's illegal."
"Not if you're doing it for love!"
"It's still illegal, Ty Lee."
"Fine." Ty Lee pouted. "What about a festival? We could throw a festival, and there could be dancing, and we could arrange it so that Zuko and Katara have to dance together, and then—"
"And then they realize they're in love and live happily ever after?" Azula raised an eyebrow. "That's even more cliché than locking them in a room."
"Clichés are clichés for a reason!"
Azula sighed. "Fine. Help me plan the festival. But if it doesn't work, I'm blaming you."
The festival was magnificent.
Ren had outdone himself with the decorations—lanterns strung between the trees, flowers blooming in every color imaginable, pathways lined with candles that flickered in the evening breeze. Lin had prepared a feast that would have made Fire Lord Ozai weep with envy—dishes from every nation, prepared with care and love and just a touch of romantic intention. Ty Lee had organized the entertainment, a series of performances that ranged from traditional Fire Nation theater to Kyoshi Warrior acrobatics to a surprisingly heartfelt ballad sung by the head librarian.
And at the center of it all, surrounded by the beauty and the music and the joy of a nation finally learning to celebrate instead of conquer, stood Zuko and Katara.
They were dressed in formal robes—Zuko in deep red and gold, Katara in flowing blue that matched the ocean she had left behind. They looked like something out of a painting, two figures from different worlds brought together by fate and fire and the slow, steady work of healing.
"This is beautiful," Katara said, looking around at the lanterns and the flowers and the smiling faces of people who had once been her enemies. "Zuko, you didn't have to do all this."
Zuko shook his head. "I didn't. This was... this was Azula's idea."
Katara blinked. "Azula?"
"She wanted to throw a party. To celebrate... I don't know. Peace. Hope. The future." Zuko smiled, a little ruefully. "I think she just wanted an excuse to see Ty Lee again. But the effect is the same."
Katara looked toward the edge of the crowd, where Azula was standing with Ty Lee and Lin and Ren, all of them watching her and Zuko with expressions of barely contained anticipation. Azula caught her eye and mouthed something—dance with him, you idiot—and Katara felt her cheeks flush.
"Would you like to dance?" Zuko asked, offering his hand.
Katara looked at his hand. Looked at his face. Looked at the crowd, at the lanterns, at the moon rising overhead like a blessing.
"Yes," she said. "I would."
They danced. Not a formal dance, not the kind of dance you did at court with rigid steps and practiced smiles. Something looser, freer, more like the dances Katara remembered from her childhood—the ones where you moved however the music made you feel, without worrying about who was watching.
Zuko's hand was warm on her waist. His other hand held hers, fingers intertwined, thumb tracing small circles on her skin. He was looking at her with an expression she had never seen before—something soft and wondering and full of light.
"Katara," he said, and his voice was low, barely audible over the music. "I need to tell you something."
"You don't have to—"
"I do." He pulled her closer, close enough that she could feel his breath on her cheek. "I've wanted to tell you for months. For a year. Maybe longer. I don't know when it started. I don't know if there was a single moment, or if it was just... gradual. Like the tide coming in. One day I looked at you, and you were just my friend, and the next day I looked at you, and you were everything."
Katara's heart was pounding. She could feel it in her throat, in her temples, in the tips of her fingers where they rested on Zuko's shoulder.
"You're everything," Zuko continued, and his voice cracked on the word. "The palace was cold before you came. Dark. Empty. I didn't realize how much I was missing until you showed up with your tea and your stubbornness and your refusal to let me wallow in my own guilt. You make me want to be better, Katara. You make me want to be the kind of man who deserves to stand beside you."
"Zuko—"
"I love you." The words tumbled out of him, desperate and hopeful and terrified. "I love you, and I don't expect you to feel the same way, and I know you and Aang have history, and I know this is complicated, and I know—I know there are a thousand reasons why you should say no. But I had to tell you. I couldn't keep it inside anymore."
The music swelled around them. The lanterns swayed in the breeze. The crowd watched, holding its breath, and somewhere in the back, Azula was gripping Ty Lee's arm so hard that her knuckles had gone white.
Katara looked at Zuko. At the scar that mapped his past. At the hope that lit his eyes. At the man he had become—not the angry prince who had hunted them across the world, not the lost boy who had begged his father for approval, but something new. Something whole.
Something she loved.
"I love you too," she said.
Zuko's eyes widened. "What?"
"I love you too." She laughed, and there were tears in her eyes, and she didn't care who saw. "I've loved you for so long that I don't remember what it felt like not to. I was just too scared to say it. Too scared of what it would mean. Too scared of leaving everything I've ever known behind."
"You wouldn't have to leave anything behind," Zuko said quickly. "You could stay. You could—you could make this your home. If you wanted. If you—"
"I want to." Katara reached up and touched his face, her fingers tracing the line of his scar, the way she had wanted to do for so long. "I want to stay. I want to make this my home. I want to be with you, Zuko. Not because of duty or obligation or politics. Because I love you. Because you're the best person I know. Because you make me want to be better too."
Zuko made a sound—something between a laugh and a sob—and then he kissed her.
It was soft at first, almost tentative, as if he was afraid she might disappear if he held on too tightly. But then she kissed him back, her hands fisting in his robes, pulling him closer, and the tentativeness melted into something fiercer. Something hungrier. Something that had been waiting for a very, very long time.
The crowd erupted.
Ty Lee was crying. Lin was crying. Ren was pretending not to cry while discreetly wiping his eyes on his sleeve. And Azula—Azula was smiling, a real smile, the kind that she had forgotten she was capable of.
"Finally," she said, to no one in particular. "I thought they would never get there."
The wedding was six months later.
It was small, by Fire Nation standards—only a few hundred guests, carefully selected to represent every nation, every bending style, every corner of the world that Zuko and Katara had helped to heal. Aang came, and he smiled, and he danced with a beautiful airbender from one of the new temples, and Katara felt her heart ease at the sight. He was going to be okay. They were all going to be okay.
Azula stood beside Katara during the ceremony, acting as her lady-in-waiting—a position that had surprised everyone, perhaps most of all Azula herself. She had been released from her room months ago, granted a freedom that she was still learning how to use. She was not cured—she would never be cured, not completely—but she was better. She was trying. And for now, that was enough.
"You look beautiful," Azula whispered, as Katara adjusted her veil. "Zuko's going to cry. He always cries at emotional moments. It's very embarrassing."
Katara laughed. "I'm going to cry too. We can be embarrassing together."
"Gross," Azula said, but she was smiling.
The ceremony was beautiful. The reception was beautiful. The first dance was beautiful. And when it was all over, when the guests had gone home and the lanterns had burned out and the palace had fallen quiet, Zuko and Katara stood on the balcony overlooking the caldera, watching the sun rise over a world that was finally, finally at peace.
"I love you," Zuko said, for what felt like the thousandth time. "I'm going to keep saying it. Every day. For the rest of our lives."
Katara leaned her head against his shoulder, watching the light spill across the water. "I love you too," she said. "And I'm going to keep saying it back. Every day. For the rest of our lives."
Behind them, hidden in the shadows of the doorway, Azula watched with a smile that no one else could see.
She had done this. She had brought them together. She had taken two broken, stubborn, desperately-in-love idiots and forced them to see what was right in front of their faces.
It was, she decided, the best scheme she had ever executed.
And she was already planning the next one.