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"Undaunted, Hermione shoved her hand back into her bag and pulled out what appeared to be a bright red eraser."
— Description[src]

A Revealer was a magical device used to render invisible writing visible. It had the appearance of an ordinary Muggle eraser, although it had a bright red colour.[1]

History

During the 1988–1989 school year, Jae Kim offered a Revealer to Jacob's sibling after they met serving detention in the Hogwarts kitchens.[2]

Hermione Granger bought a Revealer in Diagon Alley sometime in or prior to the summer of 1992. On 1 February, 1993, upon her first inspection of Tom Riddle's old school diary, she used her Revealer, along with the Revealing Charm to detect any hidden writings.[1]

Behind the scenes

  • A Revealer is featured in J. K. Rowling's official site. It can be used to a reveal a clue to obtain extra content from J. K. Rowling. Its appearance differs slightly from its description in the book, as it is depicted as being similar to a white eraser in the website, though it is possible that there are more than one style of Revealer and it may merely be one not revealed in the books.

Appearances

Notes and references

  1. 1.0 1.1 1.2 1.3 Harry Potter and the Chamber of Secrets, Chapter 13 (The Very Secret Diary)
  2. 2.0 2.1 Harry Potter: Hogwarts Mystery, Year 5, Chapter 3 (Detention Before Extension)
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