This sacred text of Tzeentch is written in Classical. Reading and comprehending it can grant academic knowledge of magic regardless of the reader's career. However, without enough willpower, the reader may become slightly insane from the disturbing ideas and arguments put forth in the book.[1a]
The Liber Mutandis is banned throughout the Empire, and anyone found in possession of a copy immediately becomes suspected of being a Chaos cultist.[1a]