This item is part of the Haunted Guardian set.
When two items from this set are equipped, you gain a +10% Artifact Bonus to your total Armor Class and a +75 Artifact Bonus to Maximum Hit Points.
When three items from this set are equipped, you also gain a +25 Artifact Bonus to Physical Resistance and a +25% Artifact Bonus to threat generation.

When Missed by an attack: Deals 8 to 32 damage to your attacker.
Passive: +4 Insight Bonus to Armor Class, +4 Insight Bonus to Fortitude, Reflex, and Will Saving Throws.

Passive: +9 Competence Bonus to Attack Rolls.