Harry Potter Pottermore. Under an expanded deal with WarnerMedia made in 2013 Rowling. The Patronus Charm introduced in Harry Potter and the Prisoner of Azkaban is a defensive spell which produces a silver animal guardian used to protect a witch or wizard against DementorsYou can find out more about what a Patronus can do here.

Harry Potter Pottermore Eidenberg. Materials from the Harry Potter series of films and from the film Fantastic Beasts And Where To Find Them are courtesy of Warner Bros. Harry Potter and the Prisoner of Azkaban Type.
Materials from the Harry Potter series of films and from the film Fantastic Beasts And Where To Find Them are courtesy of Warner Bros.
Harry Potter Pottermore Eidenberg. The Complete Collection 1-7 Type. Materials from the Harry Potter series of films and from the film Fantastic Beasts And Where To Find Them are courtesy of Warner Bros. It showcases our full range of publishing including language availability as well as our forthcoming launches.