Well, 'Regulus's Redemption and Harry's Growth' is a fanfiction that shows how Regulus Black's act of raising Harry Potter becomes a journey of his own redemption. He teaches Harry about the importance of family and loyalty, which are values he had lost touch with during his time with the Death Eaters. Then there's 'The Black Family's New Hope' where Regulus raising Harry brings new hope to the Black family name. He helps Harry develop his magical abilities in unique ways, and they form a strong bond that changes the course of the wizarding war. Also, 'Regulus and the Boy Who Lived' is a story that delves deep into how Regulus's upbringing of Harry influences Harry's perception of the wizarding world and his own identity.
You can start by looking on fanfiction platforms like Archive of Our Own (AO3). It has a large collection of Harry Potter fanfictions, and you can simply search for 'Regulus Black raises Harry Potter' in the search bar. Another option is FanFiction.net. Although it has a different layout, it also has a vast number of fan - created stories, and you should be able to find relevant ones there.
Fanfiction about these three can take many forms. For example, there could be time - travel fics where Harry goes back in time and meets Regulus and Sirius when they were younger. This could lead to all sorts of interesting plot twists, like Harry trying to prevent Regulus from joining the Death Eaters in the first place. Or it could be a fic where Sirius survives and he and Harry explore the secrets of the Black family together, including things that Regulus left behind. There are also fics that focus on the emotional bonds between the characters, showing how the different personalities of Regulus, Sirius, and Harry interact and influence each other.
It's popular because it combines two very interesting characters. Harry is the main hero of the series, and Regulus is a mysterious figure with a complex backstory. Writers can explore what could have happened if they had interacted more directly.
One common theme is redemption. Regulus is often depicted as seeking redemption for his past mistakes, and Harry can be a catalyst for that. Another theme is family secrets. Since both are part of complex wizarding families, there are always secrets to uncover.
Yes, there are likely some fanfictions out there with this concept. Fanfiction often takes creative liberties with established universes, and making Regulus Black Harry's father is an interesting and non - canonical twist. Writers might explore how this would change Harry's story, his relationships, and the whole wizarding world's dynamic.
One common theme is redemption. Since Regulus was once part of the Death Eaters and then turned against Voldemort, many fanfictions focus on his journey to make up for his past mistakes. Another theme is family secrets. The Black family has a lot of hidden history, and fanfictions often explore how Regulus was affected by these secrets and how he dealt with them in relation to Harry Potter's story.
One interesting fanfiction could be about Regulus Black's secret adventures during his time at Hogwarts that were not mentioned in the original books. It might explore his relationships with other Slytherins in more depth, and how he really felt about the Dark Lord's rising power.
A really interesting fanfiction is the one that explores Regulus Black's connection to the Marauders through Harry. It's set in a post - Voldemort world where Harry discovers some long - lost journals of Regulus. These journals open up a whole new perspective on the relationship between the Blacks, the Marauders and Harry's own family history. It's full of mystery and revelations that keep you hooked till the end.
One common theme is redemption. Regulus was once a Death Eater, and through his relationship with Harry, he often seeks redemption. For example, in many fanfictions, he tries to make up for his past mistakes by helping Harry in his fight against Voldemort.