Whispering Tome

Increases stamina reduction by 5 and Final Damage by 4% upon entering Vanguard Defense and Azmothian Guardians. Final Damage is applied based on the cumulative effect of all chasm items.
As you pick up the Whispering Tome, your mind runs cold and your breath dies in your throat. You can almost hear its sibilant song of the sorcerers of Azmoth... and the great terror they worked in their dark towers.