For the Great Evil, see Andariel.
Andariel, the Maiden of Anguish is a tome found in Act II of Diablo III.
It is found in one of Cain's Lost Satchels. Reading it adds to the Judge of Character achievement.
It reads as follows:
Andariel was the only female Evil. She aided the Lesser Evils for many years, but eventually she lost faith in their plots. Two decades ago, she chose to help Diablo during his resurgence and seized the Citadel of the Sightless Eye. Ultimately, she perished at the hands of brave heroes. - Deckard Cain