Who is R.A.B. in Harry Potter? The Sacrifice of Regulus Arcturus Black

The real name of the person who betrayed Harry Potter to Lord Voldemort, R.A.B., is revealed in the Harry Potter and the Deathly Hallows novel. However, even though we know his identity, we can still speculate as to why he would do such a thing and what his motivations were.

Regulus Arcturus Black

This article will be looking at the character of Regulus Arcturus Black and how he might’ve been R.A.B. Since J.K. Rowling first introduced the character of R.A.B. in Harry Potter and the Half-Blood Prince, speculation has run rampant as to who this unknown person could be.

Theories range from a random Death Eater to Severus Snape himself, but it is clear that this name will remain a mystery until J.K. Rowling decides to reveal his identity in what will surely be a shocking twist in the last book.

Lord Voldemort’s quest for immortality

One of the mysteries in the Harry Potter saga is who was R.A.B., the mysterious person who temporarily stole Deathly Hallows, two of three magical objects covered by both Lord Voldemort and Harry Potter, from where they were hidden by the Order of the Phoenix on April 10, 1997?

Regulus Arcturus Black was Sirius’ younger brother. The Harry Potter series by J.K. Rowling has one of the most loyal and complicated casts of characters that has ever existed. From Cedric Diggory to Severus Snape, there are many people in the story with questionable motives and actions, but none quite as mysterious as R.A.B.

The Death Eaters

The wizarding world of Harry Potter has captivated fans for decades. Beholden to the whims of J.K. Rowling, the avid reader lives vicariously through her characters, becoming acquainted with their story through their eyes. R.A.B., the unknown wizard referenced in Snape’s memories, has been shrouded in mystery for years, but now his identity has finally been revealed at last- Regulus Arcturus Black!

Lestrange family

R.A.B. is an important figure in the Harry Potter series who made a sacrifice of himself to help Lord Voldemort recover one of his lost Horcruxes, but not before he had learned the truth about Voldemort’s past and potential future. R.A.B.

When Harry Potter and his friends return to Hogwarts, they find themselves up against a wizard who is not only the world’s greatest sorcerer but also its most powerful dark wizard. Assuming various disguises and being named “Lord Voldemort” by the Death Eaters; he has declared himself the heir of Slytherin and intends to take over Hogwarts.

Pettigrew and the rat animagus

In Harry Potter and the Deathly Hallows, R.A.B. is revealed to be Regulus Black, the younger brother of Sirius Black and heir of Blacks’ family estate and fortune, who was killed by Death Eaters serving Lord Voldemort in 1979. He sacrificed himself in order to help future generations by retrieving one of the three Deathly Hallows for Harry Potter and his friends to use against Voldemort – the Resurrection Stone.

The locket around Pettigrew’s neck

It is believed that one of the four founders of Hogwarts, Salazar Slytherin, is the owner of the locket Horcrux. This theory comes from a conversation with Harry Potter in the final book in the series, “Harry Potter and the Deathly Hallows”. Albus Dumbledore later confirms this theory when he speaks to Harry in King’s Cross station. The word “R.A.

Why would Regulus Black want to destroy Voldemort?

One summer night in 1979, the unthinkable happened. A bright green light was seen shining from the headquarters of the Order of the Phoenix. Seconds later, the home of one Sirius Black and his family had been completely destroyed by a blast that could only have come from a wizard for whom he had betrayed Voldemort: his own brother, Regulus Black.

The battle of Hogwarts is coming, and Harry knows he has to destroy Voldemort for good. However, there are some people who are against this. One of these people is Regulus Black.

He has been helping the Order of the Phoenix by providing them with information about Voldemort’s movements, but now he is trying to find a way to destroy him without Harry’s help. Why would he want to do that?


Regulus Black

Regulus Black was the younger brother of Sirius Black. Regulus became Voldemort’s Death Eater around 1977 aged 16. Regulus began having a change of mind in reality when he saw firsthand what the Dark Lord was doing. In 1979 Voldemort formally demanded that the use of a house-elf be carried out and Regulus sent Kreacher aboard a secret island to Die by Voldemort.


The mystery of R.A.B. has been a fan topic for many years, but there are no clear answers as to who he really is. It has been determined that the most likely answer is Regulus Black, Sirius Black’s younger brother, due to the similarity between their names.

The question of who is R.A.B. in Harry Potter has long been pondered by fans of the series. Is it Regulus Black, Sirius Black’s brother? Was it even another person entirely? For many years, this question has gone unanswered, but now, that has changed.

It turns out that R.A.B was none other than Sirius Black’s younger brother, Regulus Arcturus Black!

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