1 - 20 of 464 Works in Morally Grey Regulus Black
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James Potter, a former police officer who was wrongfully convicted, is finally released from prison. While determined to regain custody of his son and return to the force, he is offered an off-the-record mission by his former chief to infiltrate the notorious Black family crime syndicate, and James seizes it as a dangerous but necessary chance to clear his name.
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Leonette Selwyn was raised as pure-blood perfection, polished, poised, and far from the chaos of Hogwarts.
Regulus Black was raised to inherit a legacy he never asked for.
Their betrothal was arranged, but their bond was not.
Through years spent apart at Beauxbatons and Hogwarts, their connection survives through stolen summers and thousands of letters. When Leonette suddenly transfers to Hogwarts, she enters a world where Regulus is no longer a boy, but the Black heir, Quidditch star, and a target of rising dark politics.
As war brews in the shadows and family loyalties twist, Leonette and Regulus must decide what it means to love, to choose, and to survive.
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“As for your earlier question. You’re a pureblood—”
“Yes, so you’ve said.”
Regulus scowls. “Don’t interrupt me. Apart from that, you’re also healthy, athletic, and magically gifted. These are all the genetic qualities I’m looking for in the father of my child.”
“I also have all of my teeth and no cavities if you want to check,” James scoffs.
“What? Why would I want to check that?”
“Isn’t that what you do with a breeding stud?”***
To exact vengeance on his parents, Regulus decides to conceive a child with James Potter. It’s a brilliant plan that’s bound to succeed; surely, nothing can possibly go wrong there except for one thing. Regulus doesn’t count on gaining a co-parent with benefits. Or falling in love.
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"I'm going to kill you, Potter."
"Now say it like you mean it, love."Regulus Black is supposed to kill James Potter, and he's supposed to feel nothing while doing it.
James, however, makes that impossible. He just wants to kiss Regulus until he forgets how to hate him. -
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There was another kind of fire in Regulus’ eyes now. One James knew well; he had seen it in the mirror too many times. Regulus wanted to see him break too, find out what would push him to that edge and then tip him over it.
At least they were the same in that regard.
Now it was a proper fight to see who cracked first.
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James Potter is a drug addict with nothing to live for.
Regulus Black is a control addict with a severe eating disorder.
When they meet in a mental health facility it's really no big surprise that they quickly become addicted to each other.
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Золотой король * The Golden King by siriushy for maladaptivewriting
Fandoms: Harry Potter - J. K. Rowling
12 Dec 2025
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Проснувшись в 1991 году, через двенадцать лет после собственной предполагаемой смерти, Регулус Блэк осознал две вещи. Во-первых, медальон, который он с таким трудом похитил, так и не был уничтожен, а значит, Тёмный Лорд всё ещё жив. И во-вторых, Гарри Поттер, сын Джеймса Поттера, находится в опасности.
ИЛИ
Регулус Блэк идёт в школу вместе с Золотым Трио. -
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"the hands that cradled you are soaked in unfathomable quantities of blood and sins."
"but they cradled me, yes?"at just nineteen, Regulus has to raise a child that Narcissa and Lucius Malfoy left. left because they both died and it's only Regulus' fault.
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A choice wasn’t given to the 100 juvenile prisoners sent down to the ground from a dying space station - the Elder.
James Potter has been in solitary for six months, his ticket to the ground? One of his best friends betraying him and getting his father killed in the process.
Regulus Black has spent his whole life a prisoner, even before he was thrown into the lock up two years earlier. He finds himself on the ground just because he was born.
(or)
A Marauders Era/The 100 AU longfic.
PART 1 (The 100 Season 1) ✅
PART 2 (The 100 Season 2) ✅
PART 3 (The 100 Season 3) ✅
PART 4 (The 100 Season 4) ⌛
PART 5 (The 100 Season 5) 🔜 -
Wings of fire and eyes of death by ShadowRiver2000
Fandoms: Harry Potter - J. K. Rowling, The Silmarillion and other histories of Middle-Earth - J. R. R. Tolkien
10 Dec 2025
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It’s Merida’s second year at the Skyfall Academy, and life is finally settling into something that almost resembles normal. She has friends. Her dragon, Seraphrax, is growing stronger by the day. The sky feels closer, the fire in her chest burns brighter.
Of course, peace never lasts.
At Hogwarts, students and ghosts are turning to stone, and somehow her twin brother’s ability to talk to snakes has everyone convinced both of them are the Heirs of Slytherin.Merida’s solution? Maybe she can just self-study her Hogwarts classes this year instead.
…What do you mean that’s not allowed?Series
- Part 2 of dragons in stone castles
- Part 4 of Potterverse one shots and series
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“Are you here for a reason Lupin? I happen to be quite busy, no time for childish antics.”
“I can see that, studying for your O.W.Ls, right?
“Yes.” Regulus hissed.
“I don’t remember horcruxes being on my O.W.Ls, is there a new curriculum? I hadn’t heard.” Lupin said in an awfully insinuating tone. It was odd for Lupin to bring up horcruxes in specific, why not another one of the many pieces of magic in the book.Canon divergent set in 1977-1979 following Remus and Regulus in the early days of the war. Remus is sent to investigate the werewolves starting in sixth year rather than seventh and Regulus ends up taking the dark-mark early after hearing something particularly interesting from Slughorn. With the changes and challenges these two events lead to, the pair ends up working together to discover the inner workings of Voldemort's plans and form an odd partnership in hopes to thwart it.
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The mysterious man, Voldemort, is elected Minister during 1955. By 1962 he has the Isles firmly under his rule.
Now the Dark Lord, a conqueror of nations at the pinnacle of his achievements, has set his sights beyond the seas, convinced that the world is bestowed to him by Fate.
In the meantime, unbeknownst to all, the Noble and Most Ancient House in Britain is growing a weapon.
Regulus Black has a secret.
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stars align at the worst times, it seems. by reggiestarlinggg
Fandoms: Harry Potter - J. K. Rowling
08 Dec 2025
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Regulus was not doing okay. In fact, he's having the worst time of his life actually. He is intelligent, cunning, the epitome of the Slytherin he knew he was, he was the heir of the Ancient and Noble house of Black.
This reality shatters when he awakes to a different world - a life without magic and his key facts were broken. He's the only one who knows of magic and holds it like a weapon. With 'his' family's attention on him, he finds an unlikely ally in James Potter who is now a muggle. Of course he did, just his luck.
James Potter dreamed of the stars and the unknown and an unhealthy fixation on all things magical. He never indulged his interest in the fantastical to his friends, so imagine his surprise when his best friend's younger brother done real, actual magic in front of him. He takes it upon himself to help Regulus come back to his own realm while trying to do magic himself, but what happens when he realises he doesn't want Regulus to go back at all?
Series
- Part 1 of Alignment of Cosmos
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Regulus was no fool. He knew that he was the heir by default.
Whether his parents loved his brother or hated him, it never made a difference. Sirius was the sun the household revolved around, leaving little thought for the stars cast aside in his wake.Or
How did Regulus Black justify his actions? Why did Regulus Black turn on the Dark Lord? What would have happened if Sirius helped Regulus in the cave?
Regulus through his time at Hogwarts and as a Death Eater, to an alternative (happier) ending where he does not die in the cave.
This is the Regulus POV of the same plot from my other work (Half Light) but can be read on its ownSeries
- Part 2 of Half Light
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After a new friend makes himself known, and after the revelation about those who have lied to him since his entering in the Wizarding World, Harry decides that, for once, he'll do things his way.
Travelling through time, Harry will reshape the world, and align himself with new friends, making those who have wronged him in his past life pay for their mistakes.
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There are so many douchebags in the world... by KarottenIdiot
Fandoms: Harry Potter - J. K. Rowling
06 Dec 2025
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After Peter and Regulus destoyed one horcrux, they find themselfes with new challenges. Like what it means to be free, after 13 years in prison, how to stand against old friends, or how to steal from children.
... Well Regulus has no problem with the last one. He would do it again.
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Realistically speaking, neither Peter nor Regulus were made of the material to stand against the former Dark Lord, even if he was currently nothing but a shade.
They weren’t geniuses like Siri or Potter (the older); they weren’t particularly brave either, not to mention their dubious moral integrity.
He hadn’t feared the Dark Lord when he had walked into that cave, nor when he was imprisoned by the man. But he had wanted to die back then. And now, with his newfound purpose in life... he wanted to survive. And so maybe it was only natural that he feared what was to come.Series
- Part 4 of Traitorous Crime Buddies
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"No! Please let me come- please!"
"If I do, will you tell me what you were doing when we captured you?"
"Never." James gasps out.
"Then I guess you're not getting to come."
Or, When renowned Order member James Potter is captured by Death Eaters, he comes face to face with their secret weapon: Regulus Black.
Series
- Part 2 of Marauders Smut
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Evan Rosier was raised to be a tool, he had to fight to be seen in a big family. Nobody ever gave another tool a second thought.
Barty Crouch Jr lives for attention, yet no matter what he did, he would never be enough for his father. Nobody ever gave the disappointment a second thought.
Pandora Rosier sees things other people couldn’t begin to understand. Nobody ever gave the weird girl a second thought.
Dorcas Meadowes is the brightest Slytherin witch of her age. Nobody ever gave the half-blood girl a second thought.
Regulus Black was the spare. He was never meant to be the heir. He was born in the shadows of others. It only seemed natural that he was the one who learned to wield them. Regulus Black gave the shadows a second thought.
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In which Regulus Black tries to screw with fate, dragging his newfound friends along with him to save the future of the wizarding world, and hopefully survive long enough to snog James Potter.
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Hermione Granger goes into her 6th year of Hogwarts, unknowingly bound to two different wizards. One is her soul bound boyfriend of a year, and the other is her resurrected, secret-to-her husband. The year starts off with neither of the wizards knowing about the other, and vying for her affections. Each bond comes with its own consequences, and naturally neither wizard has the good sense to clue Hermione in. Complications ensue as she's caught between the two, and they're all unwittingly intertwined.
All the while, Hermione questions if she has any free will regarding these two connections, or if she's simply a victim of fate.
The story won't be told chronologically. Most of the focus will be on 6th year, with flashbacks to her secret relationship, and her unknown marriage.
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Remus shook his head slowly. “Peter was there. And I saw the body.”
James felt his stomach drop. The body. As if Sirius were no more than a discarded shell.
“Well, I didn’t,” James said flatly, crossing his arms. “If I had, I’d have known it wasn’t him.”
“You were a teenager, James,” Remus said gently. “You panicked. You couldn’t have known what would happen that night. When are you going to forgive yourself?”
***
In 1978, just three weeks before graduation, Sirius Black died a hero - protecting Peter Pettigrew from a Death Eater ambush. Five years later, James Potter is the only one who believes he's still alive.
Until Sirius comes back.
A post-Hogwarts, Marauder Era AU about missing memories, love that defies death, and the dark secrets of the Black family.
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Regulus Black is going to die today.
And somewhere in the same city, Sirius Black is, too.
[or: skeleton twins inspired Black brothers fic]
[fuck JKR]