Keeper of Secrets

General
The Keeper of Secrets is a Forgotten who offers players the Book of Secrets as reward for having defeated Abaddon in Abaddon's Gate, the last mission of the Nightfall campaign.

The Book can be used at the various other "Keepers" in the Throne of Secrets to obtain Forgotten items.

Location

 * Realm of Torment
 * Throne of Secrets

Dialogue
Upon completion of the Abaddon's Gate mission:
 * "You have done that which even the Five Gods were unable to do. For that you shall be rewarded. Please take this Book of Secrets. Present it to any of the Keepers you see here and they will reward you."

In the Throne of Secrets:
 * "The Forgotten will forever honor your name."

Trivia

 * The name "Keeper of Secrets" might be a reference to the greater daemon of Slaanesh in the tabletop games Warhammer and Warhammer 40,000