Arcturus Black III | Sirius Black's Grandfather & Harry Potter FanFiction

Question everything, assume nothing

Question everything, assume nothing

F/M
M/M
Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Regulus Black/James Potter, Harry Potter, Remus Lupin, Sirius Black, Severus Snape, Fred Weasley, George Weasley, Albus Dumbledore, Arcturus Black III | Sirius Black's Grandfather, Arcturus Black III | Sirius Black's Grandfather & Harry Potter, Harry Potter & Fred Weasley & George Weasley, Harry Potter & Dorian Potter (OC),
Tags
Pureblood Society (Harry Potter) Smart Harry Potter Harry Potter Has a Different Name Magic and Science Regulus Black is Harry Potter's Parent Alternate Hogwarts House Sorting Harry Potter Has a Sibling Magical Theory (Harry Potter) Harry Potter is a Member of the House of Black
Hydrus Black, formerly known as Harry Potter, the brother of the boy who lived, had a motto in life he always followed "Question everythin, assume nothing". Thrown into a world of magic he tries to make sense of it all, thrown into a world of politic...
Harry Potter and the Spiral-Bound Notebook

Harry Potter and the Spiral-Bound Notebook

Gen
G
Updated
15.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Original Characters, Harry Potter, Remus Lupin, Draco Malfoy, Neville Longbottom, Luna Lovegood, Remus Lupin & Harry Potter, Petunia Evans Dursley, Percy Weasley, Vernon Dursley, Cedric Diggory, Luna Lovegood & Harry Potter,
Tags
Slytherins Being Slytherins Good Severus Snape No pairings - Freeform Pureblood Culture Good-ish Arcturus Black III Resourceful Harry Competent Arabella Figg
Harry has a notebook. He wants to use it to keep his plans and ideas straight, but he has more a few surprises waiting for him. This is his account of everything that happened the summer before Hogwarts.
The Forgotten Son

The Forgotten Son

F/F
F/M
M/M
G
Updated
12.04.2025
Fandom
Harry Potter - J. K. Rowling
Characters
Original Characters, Regulus Black, Harry Potter, Sirius Black, Draco Malfoy, Ron Weasley, Lucius Malfoy, Tom Riddle | Voldemort, Molly Weasley, Narcissa Black Malfoy, Albus Dumbledore, Diary Tom Riddle,
Tags
Dark Harry Potter Albus Dumbledore Bashing Ron Weasley Bashing Slytherin Harry Potter Molly Weasley Bashing Pureblood Society (Harry Potter) Pureblood Harry Potter Good Death Eaters Evil Albus Dumbledore Black Family-centric (Harry Potter) Harry Potter is Heir to Multiple Noble Houses Wrong Boy-Who-Lived (Harry Potter)
Albus Dumbledore was a good man, he was sure of it. He was a great man, in fact, with a solid plan for the greater good. A false prophecy, a few (technical) assassinations, and faking the death of the Boy-Who-Lived’s brother were just a few of the th...