Harry Potter fans will receive a very special Halloween treat this year: a new story from the magical wizarding world.

Author J.K. Rowling announced the story's release, sending Harry Potter fans all over the world into a frenzy.

Rowling announced the release of a new story on Friday Oct. 31, according to Rolling Stone. However, the story will not be about any of the books' heroes, but rather one its most maddening villains: Dolores Umbridge.

"Umbridge is not only one of the most malicious Potter characters, she is the only person other than Lord Voldemort to leave a permanent physical scar," said a statement about the story on the Harry Potter site Pottermore.

The statement went on to describe the upcoming story as a "rich, 1,700-word backstory about Umbridge's life, filled with many new details, as well as Rowling's revealing first-person thoughts and reflections about the character."

Umbridge first appeared in the "Harry Potter" series in "Harry Potter and the Order of the Phoenix" when she became professor of the Dark Arts and then temporary headmistress of Hogwarts. She punished Harry by making him use a Blood Quill to write "I must not tell lies" until it was scarred on his flesh. In the films, she was played by Imelda Staunton.

According to the Independent, Rowling has released stories previously on Pottermore. In July, she released a story about a 33-year-old Harry Potter meeting up with friends Ron and Hermione as well as Luna Lovegood and Neville Longbottom during the Quidditch World Cup final. The story was so popular Pottermore crashed temporarily.

Earlier this month Rowling teased fans with a series of tweets hinting at a new story, according to the Guardian. However, it proved to be a teaser about the upcoming "Harry Potter" spinoff movie based on one of Harry's textbooks: "Fantastic Beasts and Where to Find Them."

The Daily Mail reports the film will be a trilogy with expected release dates in 2016, 2018 and 2020.