"Blood adoption?"
The words felt like lead on Sirius's tongue. In the tapestry of the wizarding world, blood adoption was a thread woven with equal parts desperation and dark history. To the Purists, it was a blasphemous dilution—a pollution of an ancient magical line. To the Progressives, it was an ethical nightmare, a way of "playing God" by forcibly rewriting a human being's fundamental nature. Historically, it had been a tool of war; powerful children were often snatched from the cradles of political enemies, their identities erased and replaced by the magic of their captors.
But beyond the politics lay a cold, biological wall. History was littered with the graves of Muggle children who had been victims of the "Great Conversion" attempts—centuries of failed experiments where wizards tried to force magic into non-magical veins, only for the children to perish as their bodies rejected the foreign power. Even for magical children, there were no guarantees. After the age of eleven, the magic "calcified," making adoption impossible for adults. Even for the young, the ritual was a gamble; if the child's soul or magic rejected the graft, the transition was fatal.
Yet, as Sirius stared at the flickering light of the room, it wasn't the risk of death that chilled him to the bone. It was the life that would follow.
If they did this, he wouldn't just be a godfather. He would be a father. The concept felt like a physical weight, one he had spent his entire life avoiding by running from the House of Black. He had been a soldier, a fugitive, and a drifter, but never a foundation.
"Wait," Sirius said, his voice cracking as he stepped back. "A blood adoption... a ritual of this magnitude requires two parents."
Esme turned, her expression unreadable. "That is why I have waited. I could not find someone I could trust—someone with the requisite power and the willingness to tether their soul to children who are not their own. Most are too afraid of the price, some do not like the idea of raising children they believe not their own even if they will be biologically theirs."
"That would make us... the two of us... the parents," Sirius whispered, the realization hitting him like a stinging hex. "That would bind us together."
The words hung heavier than any physical weight. Sirius felt a sudden, sharp vertigo. He had spent a decade running—running from the suffocating tapestry of 12 Grimmauld Place, running from the expectations of his mother, running into the chaos of war, and then running into the self-imposed exile of the ICW.
Now, the road had ended. And at the end of that road wasn't a prison or a grave, but a cradle.
A father. The word felt foreign in his mind, like a spell cast in a language he didn't speak. He thought of his own father, Orion—cold, distant, a man who spoke in commands and silences. He thought of James, who had been a father for a brief, shining moment before the world went dark. But James had been born for it; Sirius was the rogue, the marauder, the man who lived for the next mission and the next drink.
To blood adopt Harry and Nathan meant more than just a name change. It meant tying their souls to his. It meant that every time he looked in the mirror, he wouldn't just see the 'Black Sheep'—he would see the foundation of their entire existence. If he failed them, he wouldn't just be a disappointment; he would be a curse written into their very DNA.
He looked at Esme. She was standing by fireplace, her fingers tracing the edge of table. For the first time, the cool, untouchable Healer looked... uncertain.
Esme Clarisse Malfoy was a woman of calculations. She had spent years preparing to save Portia, Penelope and Pietro. She failed with Portia; she didn't want to fail the children. She had reconciled herself to the idea of a partner in this madness—a clinical arrangement with a like-minded scholar, perhaps. She had never, in her wildest projections, imagined that partner would be Sirius Black.
He was loud, he was impulsive, and he carried the scent of rebellion like a second skin. Yet, as she looked at him, she saw the raw, bleeding desperation in his eyes—a reflection of her own. She hadn't expected four children, because there is no way they were only adopting Nathan. She had expected to save two, and now she was looking at an entire nursery of broken lives. To bind herself to Sirius was to invite the storm into her quiet, ordered life.
"It is not a commitment to be taken lightly," Esme said, her voice barely above a whisper. "The ritual requires a resonance of intent. If we do this, the magic will recognize us as the source of their life. It will tie my magic to yours, and ours to theirs. We will be a family, Sirius. Not by law, but by blood and soul. There is no divorce from a blood adoption."
Sirius walked over to the window, looking out toward the dark silhouette of the forests. "They'll be Blacks," he said, his voice thick. "If I do this, I'm not just saving them. I'm pulling them into the very house I tried to burn down. I'm making them heirs to a legacy of madness and shadows."
"No," Esme stepped toward him, her gaze fierce. "You are giving them a house to stand in. The Potters left them in the cold, Sirius. Dumbledore left them in a cage. The House of Black is many things, but it is strong. You aren't giving them the madness—you are giving them the protection of an ancient shield. You don't need to follow your bloodline. You can restart, starting with them."
She paused, her hand hovering near his arm but not touching. "I did not expect it to be you. I expected to do this with a stranger I could control. But a stranger wouldn't love them. And for this to work... for the children to survive the transition... the magic needs to feel that they are wanted."
Sirius turned to her. The conflict was still there, the fear of his own nature, the ghost of Orion Black whispering that he would fail. But then he thought of the cupboard under the stairs. He thought of Nathan's shallow, rattling breaths and Harry's haunted, green eyes. He even glanced at the sleeping boy.
If he had to become a father to keep them safe, he would learn to be one. If he had to bind his life to Esme's to give them a mother, he would sign the contract in his own blood.
"Tell me what we have to do," Sirius said, his voice finally steady. "Tell me how we become what they need."
Esme took a breath, a slight tremor in her hands finally stilling. "It takes a little bit of time. We are not going to do some blood adoption potion. Because of their condition, we will have to do a more ancient ritual. I will have to talk to the goblins."
"The goblins?"
*****
Harry peeked behind the door, his small fingers gripping the wood so hard his knuckles were white. He watched Ms. Esme. She was gentle with Nathan, her movements like a quiet song. For the first time in his memory, the constant, prickling fear in his chest had subsided into a dull hum. He felt... safe. Not the temporary safety of a locked cupboard, but something deeper.
"Bonjour, petit," Esme said softly, catching his eye. She didn't move toward him—she knew he was still like a flightless bird, ready to bolt—but she gave him a small, weary smile.
Sirius appeared in the hallway behind her. There was a look in his eyes Harry didn't understand—a mixture of fierce resolve and a sadness that seemed a thousand years old. Esme caught Sirius's gaze and gave a sharp, meaningful nod toward Harry. It was a silent command: Talk to him.
"Hey, Prongslet," Sirius said, his voice unusually hushed. "The sun's coming up. Want to go see the water?"
Harry hesitated, then nodded. Sirius led him out of the manor toward the edge of the towering cliffs. With a casual flick of his wand, Sirius transfigured a fallen log into a sturdy, silver-wood bench. They sat together as the Atlantic Ocean stretched out before them. Surprisingly, the usually thrashing waves were as smooth as a mirror, reflecting the pale gold of the morning sky.
"It's big," Harry whispered, his voice tiny against the vastness.
"It is," Sirius agreed. He took a deep breath, the salt air lung-filling. "Harry, I have to tell you something. About your Mum and Dad. And why you were at that house."
Harry's heart hammered against his ribs. He waited for the familiar story—that they were dead, or that he had been a bad boy and that is why they were gone.
"They're alive, Harry," Sirius said, the words tasting like poison. "James and Lily. They're in England. And you... you aren't an only child. You're a triplet. You have a brother named Charlus, and two younger siblings, too. They left you and your brother Nathan with the Dursleys."
The silence that followed was deafening. Harry didn't cry; he simply went very, very still. His mind, sharpened by years of survival, did the math faster than a child should have to. If they are alive, and they have my brother, why am I here? Why was Nathan in that bed?
"They didn't want us," Harry said. It wasn't a question. It was a cold, hard fact that settled in his gut like a stone. "Because we aren't special like the other one? Because we're... broken?"
"No," Sirius growled, his magic flaring for a second in his anger before he forced it down. He turned on the bench to face Harry fully. "You are not broken. They were blind, Harry. They listened to an old man who thought he knew best, and they threw away the most precious things they had because they were afraid of a shadow."
Harry looked down at his scarred hands. The sadness was a heavy, suffocating blanket. He thought of a mother he didn't know holding a brother he'd never met, while he slept in the dark with spiders.
"I don't have a family," Harry whispered to the sea.
"That's where you're wrong," Sirius said. He reached out, hesitating, before resting a heavy, warm hand on Harry's shoulder. "I spent my whole life running away from my family, Harry. I hated them. I thought being a 'Black' was a curse. But looking at you... looking at Nathan... I realized I don't want to run anymore."
Harry looked up, his green eyes swimming with unshed tears.
"I'm going to do a ritual," Sirius explained, his voice thick with emotion. "It's called a blood adoption. It means that, magically and physically, I would become your father. Esme would be your mother. You wouldn't be a Potter anymore. You'd be a Black. You'd be my son."
Sirius leaned in, his gaze searching Harry's face. "But I won't do it unless you want it. I won't force you to belong to me. So, I'm asking you, Harry... do you want to be my son? Do you want to come home with me?"
Harry looked at the horizon, where the gold sun was finally breaking the line of the water. He thought of the man who had pulled him out of the cupboard. He thought of the way Sirius looked at him—not like a mistake, but like a miracle.
"Will Nathan be my brother still?" Harry asked.
"Always," Sirius promised. "And Pietro and Penelope too. They'll be your new younger siblings. A big, messy, loud family."
Harry took a shaky breath and leaned into Sirius's side, the first tentative move of trust he had made in years. "I want to stay with you," he whispered. "I want to be a Black."
Sirius pulled the small boy into a side-hug, staring out at the calm Atlantic.
Author's Note:
I know. I know. I've been updating one chapter after the next. I am hyperfixating on it right now. I should be checking on the papers and applying jobs but I got depressed over the rejections. Anyway, thank you for your patience.
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