Hermit's Ravings is a tome in first act of Diablo III. It is needed to complete the achievement A Quick Study and is found in the Caverns of Araneae. It reads as follows: "I used to be one of them. Ordinary. Untouched. Until her voice came to me. Then I knew how I must serve. I must kill the one who threatens my mistress and the dark power that created her. I have been chosen!"