Intimidate +20: Passive: +20 Competence Bonus to the Intimidate skill.
Shatter +12: This effect gives a +12 enhancement bonus to the DC to resist the character's Sunder and Improved Sunder attempts.
Insightful Will Save +2: This item gives a +2 insight bonus to your Will saves.
Immunity to Fear: The wearer of this item is immune to all fear effects.
Strength +11: Passive: +11 Enhancement Bonus to Strength.
Tendon Slice 8%: This effect gives a 8% chance to Hamstring the target for each attack that does damage.
Insightful Combat Mastery +5: Passive: +5 Insight Bonus to the DC of your Trip, Sunder, and Stunning Blow attacks.
Insightful Strength +4: This item increases the physical power of the wearer, granting a +4 Insight bonus to Strength.
Unbreakable Adamancy: This item is part of the Unbreakable Adamancy set.
When two items from this set are equipped, you gain a +5 Luck bonus to PRR and MRR.
Upgradeable - Primary Augment: This item can be upgraded to contain a Yellow, Blue or Red (weapons and shields only) augment. Bring this item to the Fountain of Necrotic Might outside the Black Mausoleum and combine it with Epic Tapestry Shreds to upgrade the item.
Upgradeable - Secondary Augment: This item can be upgraded to contain a Green, Orange(weapons and shields only) or Purple(weapons and shields only) augment. Bring this item to the Fountain of Necrotic Might outside the Black Mausoleum and combine it with Masterwork Tapestry Shreds to upgrade the item.
It is said, the only way to obtain a helm of the Emerald Claw is to join their ranks... or to remove their head.