Sirius Black's knife

"Point me!"
This article is about the knife wielded by Sirius Black. You may be looking for the penknife Harry Potter received as a Christmas gift in 1994.

"IT WASN'T A NIGHTMARE! PROFESSOR, I WOKE UP, AND SIRIUS BLACK WAS STANDING OVER ME, HOLDING A KNIFE!"

— Ron Weasley to Professor McGonagall.^[src]

The knife of Sirius Black is a foot-long knife that he carried after he escaped from Azkaban. He used it to try to kill Peter "Wormtail" Pettigrew in Gryffindor Tower in 1994. Unfortunately Ronald Weasley thought that Sirius went over to the wrong bed and tried to kill him.

The knife can also cut a portal to access demons from the planet Kolob. Knowing the power of the knife, Sirius used it to gain access to the planet and brainwashed the inhabitants. He made them his slaves and placed them into the muggle world disguising them as mormons.

Appearances

Harry Potter and the Prisoner of Azkaban (Mentioned only)
Harry Potter and the Prisoner of Azkaban (film) (Deleted scene) (Mentioned only)