Endgame Regulus Black/James Potter FanFiction

Survival's Edge

Survival's Edge

F/F
F/M
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Dorcas Meadowes, Evan Rosier,
Tags
Heavy Angst Other Additional Tags to Be Added Angst with a Happy Ending Drowning Angst and Tragedy Wolves Past James Potter/Lily Evans Potter black brothers angst Endgame Regulus Black/James Potter Confinement video games - Freeform Alternate Universe - Jumanji Fusion
It was just a game. At least, that’s what James thought when he powered it on.But the moment they select their characters, something shifts—an unnatural hum, a flicker of the screen, the unmistakable sensation of something watching. Then, one by one,...
Your Vacuity is Astounding To Me

Your Vacuity is Astounding To Me

F/F
M/M
Multi
G
Updated
11.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Harry Potter, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Lily Evans Potter, Minerva McGonagall, Severus Snape, Regulus Black & Sirius Black, Evan Rosier,
Tags
Alternate Universe - Canon Divergence Not Canon Compliant Angst with a Happy Ending Trans Male Character Happy Ending Past Regulus Black/James Potter Post-Hogwarts I Don't Even Know Pansexual James Potter Regulus Black and Sirius Black Angst Gay Regulus Black Sirius Black & James Potter Friendship
It's 1981, the war is still going and Regulus Black is still dead.Sirius thinks there's no hope for anyone anymore and James has been grieving silently for 3 years. What happens if the answer to the end of Voldemort gets dropped off right in front of...
Behind The Cameras

Behind The Cameras

F/F
M/M
G
Updated
11.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Dorcas Meadowes, Marlene McKinnon/Dorcas Meadowes,
Tags
Slow Burn Sibling Rivalry There Was Only One Bed Fluff and Angst Band Fic Marauders Era (Harry Potter) Alternate Universe - Muggle Pandora Lovegood and Evan Rosier are Twins Established Barty Crouch Jr./Evan Rosier Endgame Regulus Black/James Potter Protective Sibling Sirius Black Remus Lupin Has a Sibling
“Three bands, one special event, and enough drama to fill a stadium.”The Marauders and The Emerald have long been bitter rivals in the music scene, competing for fame, glory, and the occasional throats of one another. But when they’re forced to work...
Me and the Devil

Me and the Devil

Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Harry Potter, James Potter, Luna Lovegood/Harry Potter, Death - Character, Regulus Black & Harry Potter, Thanatos, James Potter/Death, James Potter/Thanatos, Regulus Black & Lily Evans & Remus Lupin
Tags
Endgame Regulus Black/James Potter Female Regulus Black Slow Updates watching the movies regulus is death/thanatos unrequited james potter/peter pettigrew unrequited sirius black/remus lupin - Freeform pandora lovegood & evan rosier are twins
in which ; 𝘵𝘩𝘦 𝘮𝘢𝘳𝘢𝘶𝘥𝘦𝘳𝘴 𝘦𝘳𝘢 𝘸𝘢𝘵𝘤𝘩𝘦𝘴 𝘵𝘩𝘦 𝘭𝘪𝘧𝘦 𝘰𝘧 𝙝𝙖𝙧𝙧𝙞𝙨𝙤𝙣 𝙟𝙖𝙢𝙚𝙨 𝙥𝙤𝙩𝙩𝙚𝙧
No Way Out

No Way Out

F/F
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Severus Snape, Dorcas Meadowes,
Tags
Flirting Angst Angst with a Happy Ending Fluff and Angst Minor Character Death Kissing Friendship/Love Happy Ending Angst and Romance Alternate Universe War POV Multiple
The truth is, there is so much more James wants to say, but he knows he can't.'I’m sorry'He doesn’t say it.'There’s no way out'He doesn’t say it. He doesn’t say any of it. He never does.James Potter has been in the Glade with Sirius Black for two yea...
When the Sun Rises

When the Sun Rises

G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Marlene McKinnon, Dorcas Meadowes, Marlene McKinnon/Dorcas Meadowes, Evan Rosier,
Tags
Regulus Black is a Brat Regulus Black is a Little Shit Regulus Black Needs a Hug James Potter is So Whipped Good Peter Pettigrew Endgame Regulus Black/James Potter
What if Regulus makes it out of the cave? What if he ends the war? What happens when he has to go back to Hogwarts?
The Forbidden Spare

The Forbidden Spare

Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Original Characters, Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Dorcas Meadowes, Narcissa Black Malfoy,
Tags
Other Additional Tags to Be Added Regulus Black-centric Established Marlene McKinnon/Dorcas Meadowes Regulus Black Lives Pansexual James Potter Sirius Black & James Potter Friendship Background Relationships POV Regulus Black Established Sirius Black/Remus Lupin Regulus Black & Pandora Lovegood Friendship Asexual Peter Pettigrew POV Sirius Black
In the wizarding world, among the noble and pure, mistakes are considered shameful, even the smallest ones. You should not only aim for perfection, you should expect it.Therefore it was only logical that only one heir candidate must be born to each f...
Easy Smiles

Easy Smiles

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Barty Crouch Jr.
Tags
Smut Fluff Modern Era Mutual Masturbation Rough Sex Shameless Smut Masturbation Swearing Banter Vaginal Sex Homophobia Kind Of
Regulus has lived with his brother, his brother's boyfriend, and his brother's best friend for the better part of two years. He's been in a toxic on again, off again relationship with Barty for about a year and a half of that. When Sirius finally get...
Cherry-Pick

Cherry-Pick

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Regulus Black & Sirius Black, Barty Crouch Jr., Regulus Black & Remus Lupin
Tags
Angst Alternate Universe - Canon Divergence Suicidal Thoughts Angst with a Happy Ending Hurt/Comfort Self-Harm Implied/Referenced Self-Harm Alternate Universe - College/University Mental Health Issues Regulus Black and Sirius Black Angst James Potter is Not Okay Regulus Black Needs a Hug
Regulus only wants to get away — it doesn’t matter where.After four years and a collection of unhealed wounds, Regulus reluctantly reunites with his brother at Hogwarts. There, he falls unexpectedly into life — into a person in the shape of the sun,...
I will go most anywhere to find where I belong

I will go most anywhere to find where I belong

F/M
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling Ancient Greek Religion & Lore
Characters
Regulus Black/James Potter, Regulus Black, Remus Lupin, James Potter, Evan Rosier, Euphemia Potter, Fleamont Potter, Barty Crouch Jr., Barty Crouch Jr./Evan Rosier, Euphemia Potter/Fleamont Potter, Zeus (Ancient Greek Religion & Lore), Hera (Ancient Greek Religion & Lore),
Tags
Fluff Angst I'm Bad At Tagging Author Is Sleep Deprived References to Ancient Greek Religion & Lore James Potter is Not Okay Gay Regulus Black James Potter is So Whipped Remus Lupin is So Done Established Barty Crouch Jr./Evan Rosier Endgame Regulus Black/James Potter Past Sirius Black/Remus Lupin
idk man me and my best friend were watching the 1997 hercules and i said how herclues and meg were a jegulus varient and here we areherecules AUpretty much everything that happens in the movie happens here
The Alchemy

The Alchemy

F/F
F/M
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Marlene McKinnon, Severus Snape, Dorcas Meadowes, Evan Rosier, Minor or Background Relationship(s),
Tags
Not Canon Compliant Other Additional Tags to Be Added Hurt/Comfort Fluff and Angst Child Abuse Marauders Era (Harry Potter) POV Remus Lupin Gay Sirius Black Eventual James Potter/Lily Evans Potter Sirius Black Lives Remus Lupin Lives Regulus Black Lives
James and Regulus have existed so close to one another in the same galaxy, never allowing their paths to collide. Sirius is James's best friend. Regulus is Sirius's brother. The two were never even supposed to befriend one another, but what happens w...
A footnote will do (please don't forget me)

A footnote will do (please don't forget me)

F/F
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Remus Lupin, Sirius Black, Peter Pettigrew, Lily Evans Potter, Marlene McKinnon, Dorcas Meadowes, Lily Evans, Pandora Lovegood
Tags
Angst with a Happy Ending Inspired by a Conan Gray Song Regulus Black-centric Everyone Is Gay Trans Regulus Black Regulus Black is a Little Shit Minor Marlene McKinnon/Dorcas Meadowes Pansexual James Potter Regulus Black & Remus Lupin Friendship Gay Remus Lupin Platonic MoonWater Welsh Remus Lupin
Regulus Black is in love with James Potter.That’s it, that is probably all you need to know about him.orRegulus falls in love with his brother's best friend, after eight years he gets drunk, and confesses his feelings, what could go wrong?(spoiler, e...
I Went to Hell and Back

I Went to Hell and Back

M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Dorcas Meadowes, Regulus Black & Sirius Black, Evan Rosier, Barty Crouch Jr., Pandora Lovegood, Barty Crouch Jr./Evan Rosier, Regulus Black & Barty Crouch Jr. & Pandora Lovegood & Dorcas Meadowes & Evan Rosier,
Tags
Alternate Universe - Canon Divergence Marauders Slytherin No Beta Regulus Black-centric Regulus Black Lives Alternate Universe - Everyone Lives/Nobody Dies Gay Regulus Black Good Regulus Black Regulus Black Deserves Better Song Lyrics slytherin skittles
Slytherin Skittles fake their deaths and escape the wizarding world without letting Sirius or James know.They start a band together in the mortal world, not expecting to become world wide stars.Five years later, Sirius drags James and Remus to a conc...
La rueda

La rueda

F/F
F/M
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Evan Rosier, Barty Crouch Jr.
Tags
Alternate Universe - Canon Divergence Temporary Character Death Trans Regulus Black Regulus Black and Sirius Black Angst Minor James Potter/Lily Evans Potter Abusive Walburga Black Minor Sirius Black/Remus Lupin Endgame Regulus Black/James Potter Minor Mary Macdonald/Lily Evans Potter Minor Barty Crouch Jr./Evan Rosier James Potter is Harry Potter's Parent Secret Son
Heracles cumplió doce trabajos para expiar el asesinato de su esposa e hijosjames cometió muchos errores, pero el que mas se arrepiente fue darle su cerrazón al menor de los Black, cuando "murió" el, murió con el, pero tiene que seguir adelante por s...
Old Yellow Bricks

Old Yellow Bricks

F/F
F/M
M/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Dorcas Meadowes, Narcissa Black Malfoy,
Tags
Trans Male Character Marauders Era (Harry Potter) Albus Dumbledore Bashing Regulus Black Lives Chaotic Barty Crouch Jr. Alternate Universe - Everyone Lives/Nobody Dies POV James Potter Regulus Black Needs a Hug Horcrux Hunting Title from an Arctic Monkeys Song Minor James Potter/Lily Evans Potter POV Regulus Black
Jegulus enemies to lovers with a sprinkle of horcrux hunting and a drizzles of death 💀Enjoy <33
How she saved his life

How she saved his life

Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Sirius Black, James Potter, Dorcas Meadowes, Regulus Black & Sirius Black, Evan Rosier, Barty Crouch Jr., Pandora Lovegood, Sirius Black & James Potter, Barty Crouch Jr./Evan Rosier,
Tags
Trans Male Character Regulus Black & Sirius Black Have a Good Relationship Trans Regulus Black Regulus Black Needs a Hug Bad English Regulus Black and Sirius Black Both Run Away Pandora Lovegood and Evan Rosier are Siblings Trans Male Regulus Black Endgame Regulus Black/James Potter Out of Character Regulus Black
Regulus world collapses the moment Sirius ran away... until Pandora Rosier appeared.OrPandora helps Regulus ran away from his house.
Velvet Bond

Velvet Bond

F/F
F/M
M/M
Other
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Harry Potter, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Minerva McGonagall,
Tags
Angst Eventual Happy Ending Slow Burn Heavy Angst Angst with a Happy Ending Angst and Hurt/Comfort Found Family Child Abuse Happy Ending Marauders Era (Harry Potter) First Wizarding War with Voldemort (Harry Potter) Regulus Black Lives
The 31st of October the child - Harry Potter - had to die.The prophecy was clear and Voldemort could not make any mistakes.But all went shit when a fucking -cat? appeared at the door, saving the family and almost killing Voldemort, that now is left t...
Not Strong Enough

Not Strong Enough

G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Lily Evans Potter, Marlene McKinnon, Dorcas Meadowes, Marlene McKinnon/Dorcas Meadowes, Albus Dumbledore, Evan Rosier,
Tags
Alternate Universe - Modern Setting Teasing Flirting Fluff and Angst Action/Adventure Rescue Missions Kidnapping Enemies to Lovers Strangers to Lovers Plot Twists Regulus Black-centric Everyone Is Gay
James Potter, an arrogant, optimistic, ray of sunshine comes into contact with Regulus Black, a grumpy, sarcastic, moonbeam. Regulus also happens to be working as a government spy for the Order of the Phoenix, unfortunate enough for him, James is see...
Teen Idle

Teen Idle

F/F
F/M
M/M
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Dorcas Meadowes, Evan Rosier, Minor or Background Relationship(s),
Tags
Fluff Alternate Universe - Modern Setting Angst Slow Burn Angst with a Happy Ending Mild Sexual Content Marauders Era (Harry Potter) wolfstar Gay Sirius Black How Do I Tag Eventual James Potter/Lily Evans Potter Sexuality Crisis
Sirius knew his future. He would grow old, take over the business, make an heir, and die peacefully in his sleep. However, he knew that wasn't what he was supposed to do. He couldn't just spend the rest of his life with everything planned out.
The Misfortune Of Regulus Black

The Misfortune Of Regulus Black

F/F
F/M
M/M
G
Updated
12.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Dorcas Meadowes, Narcissa Black Malfoy,
Tags
Angst Slow Burn Other Additional Tags to Be Added Everyone Needs A Hug Implied/Referenced Child Abuse Tags May Change Light Angst Childhood Trauma I Wrote This Instead of Sleeping Violence Implied/Referenced Homophobia Slow To Update
Nothing was more precious to Regulus than his secrets. He kept them close to his chest his whole life, and now everything was falling apart. Kreacher, Regulus’s house elf had sent the letters out. The letters that Regulus wrote to classmates, exes an...