The Cultist Shades are a group of people who have developed the Sight, but are intent on using it for ill purposes. They are introduced in The Madness Underneath, though their misguided nature is not revealed until the end of the book, when they try to trap Rory.
Origins
Jane Quaint is their leader.
Known Members
Current cult members include Jane Quaint, Jack Brackell, Devina and Mags.