Maxwell Barnett was a wizard versed in the art of Occlumency, who wrote a book on the subject, called Guide to Advanced Occlumency.[1][2]


Notes and references

  1. (see this image)
  2. Harry Potter: Hogwarts Mystery, Year 5, Chapter 18 (Legilimency and Occlumency)
*Disclosure: Some of the links above are affiliate links, meaning, at no additional cost to you, Fandom will earn a commission if you click through and make a purchase. Community content is available under CC-BY-SA unless otherwise noted.