Horace Slughorn FanFiction

Why is it always Regulus?!

Why is it always Regulus?!

M/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Original 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, Minerva McGonagall,
Tags
Angst Slow Burn Betrayal Suicidal Thoughts Protective Siblings Original Character(s) Blood and Injury Hurt/Comfort Post-Traumatic Stress Disorder - PTSD Implied/Referenced Torture Everyone Needs A Hug First Kiss
The Wizarding World was talking about it, the rumours were spreading faster than ever. People will always remember the day the darkest wizard of all time had fallen, the day he was defeated by just a baby.This is the story of the boy who lived,Regulu...
Everywhere, Everything

Everywhere, Everything

F/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling Hogwarts Legacy (Video Game)
Characters
Regulus Black, Sirius Black/Remus Lupin, James Potter/Lily Evans Potter, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Mary Macdonald (Harry Potter), Minerva McGonagall, Severus Snape, Dorcas Meadowes,
Tags
Enemies to Friends to Lovers Marauders Era (Harry Potter) Marauders Marauders Friendship (Harry Potter)
Just another year at Hogwarts, Y/N Grindelwald is starting her fifth year. She's the Quidditch captain for Ravenclaw, which means she has prefect duties. Which means she has patrol at night. She's sadly paired with a boy in her year, Regulus Black.-"...
Hallow's End

Hallow's End

F/F
F/M
M/M
G
Updated
11.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black/Remus Lupin, James Potter/Lily Evans Potter, Remus Lupin, Sirius Black, James Potter, Lily Evans Potter, Mary Macdonald (Harry Potter), Marlene McKinnon, Severus Snape, Narcissa Black Malfoy, Alice Longbottom,
Tags
Murder Mystery Alternate Universe - Muggle Deception Dinner Party James Potter is a baker Remus Lupin is a builder Regulus Black is traumatised Everyone hates Barty Crouch Sr
There's a dinner party at Grimmauld Castle, Hallow's End.Everyone is invited.Guests are required to take part in a murder mystery game.Except, somebody is playing by their own rules.This will be a night that no one will ever forget.
Rehabilitation Is A Slow Process

Rehabilitation Is A Slow Process

F/M
M/M
Multi
G
Updated
13.04.2025
Characters
Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Minerva McGonagall, Severus Snape, Albus Dumbledore, Pomona Sprout, Evan Rosier, Original Female Character, Filius Flitwick, Rubeus Hagrid,
Tags
Abuse Trauma Physical Abuse Panic Attacks english is not my first language Self-Deprecating psychological abuse forgiveness is only earned author regrets everything (probs) Severus is introverted not friends with Lily au distrusting severus
Severus Snape is not trusting.He is not friends with the muggle-born Lily Evans.He does not have friends.When he comes to Hogwarts, a certain witch in the hospital wing finds out about his bruises and his abusive father.He confides his story with her...
The Rise of the Lord (Pilot)

The Rise of the Lord (Pilot)

G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Tom Riddle | Voldemort, Albus Dumbledore, Gellert Grindelwald, Horace Slughorn, Armando Dippet, Rosier Sr., Lestrange Sr., Avery Sr., Nott Sr., Ignatius Prewett, The Sorting Hat - Character
Tags
Canon Compliant Hogwarts Tom Riddle’s School Years Global Wizarding War Wool’s Orphanage Tom Riddle’s Sorting Supposed to be a long fic that might come out some day
On New Year's Eve 1940, the black and white picture of St. Paul Cathedral, standing unscathed in a wrecked London, was shoved down Wool's orphans' throat as though, it alone, was enough light in the Blitz's despair to descry a glimpse of hope.As thou...
Like Home

Like Home

M/M
Other
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling The Secret History - Donna Tartt
Characters
Harry Potter, Albus Dumbledore, Tom Riddle, Harry Potter/Tom Riddle, Abraxas Malfoy, Walburga Black, Orion Black, Horace Slughorn, Orion Black/Walburga Black, Richard Papen/Henry Winter, Avery Sr. | Tom Riddle's Schoolmate
Tags
Canon-Typical Violence Blood and Violence Alternate Universe - Soulmates Drinking Minor Character Death Period-Typical Homophobia The Author Regrets Everything Alternate Universe - Muggle Author Is Sleep Deprived References to Ancient Greek Religion & Lore Soulmates Soulmate-Identifying Marks
Harry was supposed to travel to the past and finally get a chance at a happy life with its soulmates.But Fate decided to interfere so, instead, he's brought into a parody of his favorite book, where all the main characters wear very familiar faces. H...
Squibs Can Do Potions

Squibs Can Do Potions

F/F
F/M
M/M
Multi
G
Updated
11.04.2025
Characters
Regulus Black, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Minerva McGonagall, Albus Dumbledore, Pomona Sprout, Evan Rosier, Lily Evans, Original Female Character, Filius Flitwick,
Tags
Author Is Sleep Deprived Severus is a squib marauder era Eileen married pureblood Severus is pureblood light x dark families Eileen is a teacher at Hogwarts Slughorn is still head of slytherin Severus doesn’t study at Hogwarts; just helps his mother english is not my first language
What if Eileen married a pureblood, not Tobias?What if Severus is a Prince now?What if he grows up in luxury?What if he’s a squib?What if Eileen teaches at Hogwarts?What if Severus is just a little helper trying to gain teaching experience from a you...
Nocturne’s Thread - The Dreambind Draught

Nocturne’s Thread - The Dreambind Draught

M/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Harry Potter, Minerva McGonagall, Draco Malfoy/Harry Potter, Draco Malfoy, Ron Weasley, Hermione Granger, Neville Longbottom, Blaise Zabini, Theodore Nott, Pansy Parkinson, Draco Malfoy & Harry Potter, Seamus Finnigan,
Tags
Slow Burn Humor Romance Friendship Enemies to Lovers Hogwarts Draco Malfoy is Bad at Feelings Gay Panic POV Draco Malfoy Potions Accident Amortentia Potion (Harry Potter) Potions
Returning for his 8th year at Hogwarts, Harry expects things to finally be normal — until Slughorn assigns him Draco Malfoy as his Potions partner.And ever since he took that special sleeping potion brewed by Hermione, his nightmares finally stop — o...
thunderstorms under our skin

thunderstorms under our skin

F/M
Gen
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Original Male Character(s), Lily Evans Potter, Severus Snape, Lucius Malfoy, Narcissa Black Malfoy, Original Muggle Character(s), Albus Dumbledore, Lily Evans Potter/Severus Snape, Marauders (Harry Potter), Petunia Evans Dursley, Horace Slughorn,
Tags
Fluff Angst Slow Burn Explicit Language Not Canon Compliant Implied/Referenced Self-Harm Explicit Sexual Content Violence Slow Build Alternate Universe First Wizarding War with Voldemort (Harry Potter) Snily
Nothing was same once Lily graduated from Hogwarts. Friendships didn't feel the same, relationships unraveled or faded into something unrecognisable. Home was no better—her parents were overbearing, Petunia was distant, and the walls felt smaller eve...
Save me

Save me

M/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Harry Potter, Albus Dumbledore, Tom Riddle, Harry Potter/Tom Riddle, Abraxas Malfoy, Walburga Black, Orion Black, Horace Slughorn, Albus Dumbledore & Harry Potter, Druella Rosier Black, Orion Black & Harry Potter, Armando Dippet
Tags
Angst Other Additional Tags to Be Added Past Child Abuse Suicide Attempt Implied/Referenced Child Abuse Time Travel Mental Health Issues Horcruxes Slytherin Harry Potter Pureblood Politics (Harry Potter) Implied Childhood Sexual Abuse Time Travel Fix-It
Harry Potter was always the hero, but he never wanted to be a hero, he just wanted to be normal.But he tries, tries to be what everyone wants from him, it's all too much for a child his age, but he manages somehow, or you could say he managed.He deal...
Year 2: Of Lions and Hexes: A CaitVi Hogwarts AU

Year 2: Of Lions and Hexes: A CaitVi Hogwarts AU

F/F
Gen
G
Updated
11.04.2025
Fandom
Harry Potter - J. K. Rowling Arcane: League of Legends (Cartoon 2021)
Characters
Harry Potter, Minerva McGonagall, Caitlyn/Vi (League of Legends), Caitlyn (League of Legends), Vi (League of Legends), Jinx (League of Legends), Vander (League of Legends), Mylo (Arcane: League of Legends), Claggor (Arcane: League of Legends), Caitlyn & Vi (League of Legends), Powder from s02e07 AU (Arcane: League of Legends), Horace Slughorn,
“Oi, Vi! Over here!”Vi turned her head just in time to see Mylo and Claggor hanging out of a compartment, waving her over. Claggor grinned as he leaned against the doorframe, and Mylo smirked like he had some kind of joke already prepared.“Took you l...
The Scent of Disaster

The Scent of Disaster

M/M
G
Updated
13.04.2025
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, Horace Slughorn
Tags
Desperation canon-divergence Chaos Misunderstandings Marauders Humour Jegulus Romantic Tension Amortentia Lily Evans - Freeform Chocolate forest
Because chaos begins with a single scent and spirals into a series of terrible decisions.Regulus Black only wanted a quiet Potions class. Truly. But the universe had other plans: today’s lesson is on Amortentia. As if being in the same room as Potter...
The Riddle Within

The Riddle Within

G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Harry Potter, Severus Snape, Ron Weasley, Hermione Granger, Ginny Weasley, Parvati Patil, Hermione Granger & Harry Potter & Ron Weasley, Horace Slughorn, Lavender Brown
Tags
Crack One Shot Short One Shot Harry Potter is a Little Shit Halloween Holiday: Samhain Impersonation
It's halloween and Harry is bored. He needs some fun. His life is unbelievably serious. And so he decides to go to Slughorn's halloween party as Tom Riddle. What could go wrong?
Starstruck

Starstruck

F/F
M/M
G
Updated
11.04.2025
Fandom
Harry Potter - J. K. Rowling Heartstopper (TV)
Characters
Regulus Black/James Potter, Regulus Black, Sirius Black/Remus Lupin, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Mary Macdonald (Harry Potter), Marlene McKinnon, Minerva McGonagall, Severus Snape, Dorcas Meadowes,
Tags
Alternate Universe - Modern Setting Alternate Universe - Canon Divergence wolfstar Bisexual Remus Lupin Gay Sirius Black Lesbian Marlene McKinnon Alternate Universe - Muggle dorlene Regulus Black is a Little Shit Eating Disorders Alternate Universe - Everyone Lives/Nobody Dies Pansexual James Potter
Marauders x Heartstopper au in which Regulus Black is Charlie Spring and James Potter is Nick Nelson.I suck at summaries but just know it’s a Heartstopper au
I Want That Trophy

I Want That Trophy

F/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black, Sirius Black, Dorcas Meadowes, Dolores Umbridge, Andromeda Black Tonks, Barty Crouch Jr., Pandora Lovegood, Xenophilius Lovegood, Horace Slughorn, Slytherin Students, Regulus Black/Dolores Umbridge
Tags
Fluff Other Additional Tags to Be Added Idiots in Love Crack Treated Seriously Enemies to Lovers Marauders Era (Harry Potter) Blackmail Alternate Universe - No Voldemort Pandora Lovegood and Evan Rosier are Twins Fake/Pretend Relationship Ravenclaw Barty Crouch Jr. Ravenclaw Pandora Lovegood
Regulus Black is many things: a perfectionist, the, and (according to Pandora) standoffish. But failing class? Turns out it's the work of Dolores Umbridge, who absolutely refuses to help without an invite to one of Slughorn's meetings.It's either fac...
Just A Prank

Just A Prank

G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Lily Evans Potter, Albus Dumbledore, Rubeus Hagrid, Argus Filch, Horace Slughorn, Poppy Pomfrey, Armando Dippet, Portrait Phineas Nigellus Black,
My take on the Werewolf Prank!
The Bite

The Bite

F/F
F/M
M/M
G
Updated
13.04.2025
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, Mary Macdonald (Harry Potter), Marlene McKinnon, Minerva McGonagall, Severus Snape, Dorcas Meadowes,
Tags
Fluff Flirting Werewolves Emotional Hurt/Comfort Implied/Referenced Character Death Kissing Queer Themes Happy Ending Marauders Era (Harry Potter) Regulus Black & Sirius Black Have a Good Relationship Alternate Universe - No Voldemort Mild Gore
He barely had time to see the beast's eyes narrow in on his neck- Its eyes bulging as it lunged. He scrambled to get out of its way, blocking his neck and face with his hands. The beast didn't hesitate, its teeth instead sinking into his shoulder wit...
Year 1: Of Lions and Hexes: A CaitVi Hogwarts AU

Year 1: Of Lions and Hexes: A CaitVi Hogwarts AU

F/F
Multi
G
Updated
11.04.2025
Fandom
Harry Potter - J. K. Rowling Arcane: League of Legends (Cartoon 2021)
Characters
Harry Potter, Minerva McGonagall, Caitlyn/Vi (League of Legends), Caitlyn (League of Legends), Vi (League of Legends), Mylo (Arcane: League of Legends), Claggor (Arcane: League of Legends), Caitlyn & Vi (League of Legends), Maddie Nolen, Horace Slughorn, Heimerdinger (League of Legends), Claggor (Arcane) & Jinx (League of Legends) & Mylo (Arcane) & Vander & Vi (League of Legends),
Tags
Slow Burn Hogwarts Caitlyn and Vi are in Love (League of Legends) Soft Vi (League of Legends) Soft Caitlyn (League of Legends) Caitvi The Arcane (League of Legends) Lesbian Caitlyn (League of Legends) Lesbian Vi (League of Legends) caitlyn x vi - Freeform caitvi hogwarts au Hextech (League of Legends)
Caitlyn grabbed her sleeve. “Come on, before we get stuck with someone awful.”Vi grinned and followed her. They clambered into a boat, and two other students quickly joined them—a nervous-looking boy with glasses and a grinning girl with short, reddi...
It's Amazing To Be Young

It's Amazing To Be Young

Multi
G
Updated
13.04.2025
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, Minerva McGonagall, Severus Snape,
Tags
Marauders Era (Harry Potter) Alternate Universe - Muggle Eating Disorders Pansexual James Potter Gay Regulus Black Gay Remus Lupin Nonbinary Sirius Black Football | Soccer Bisexual Sirius Black Multiple Pov Hogwarts Fifth Year James Potter Has An Eating Disorder
James Potter and his four friends - Frank Longbottom, Peter Pettigrew, Marlene McKinnon and Nichole Fayek - always loved football for as long as they can remember, so being accepted into Hogwarts - a school renowned for it's high success rate of prof...
5 Times James Stole Something from Regulus (And 1 Time Regulus Stole Something Back)

5 Times James Stole Something from Regulus (And 1 Time Regulus Stole Something Back)

M/M
G
Updated
13.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Regulus Black, Remus Lupin, Sirius Black, James Potter, Peter Pettigrew, Walburga Black, Horace Slughorn
Tags
Fluff Angst Slow Burn Mutual Pining Enemies to Lovers Marauders Era (Harry Potter) Ambiguous/Open Ending 5+1 Things Falling in Love in the Worst Possible Way Quidditch but Make it Personal They Were Potion Partners (and It Was a Disaster) Cosmo the Cat - Freeform
Regulus Black has spent years perfecting the art of ignoring James Potter.James Potter has spent years making that absolutely impossible.Now Regulus has a cat that prefers James, a heart that beats too fast around him, and a very unfortunate problem:...