Invoke your expertise in anatomy and enemy behavior to detect stealthed and invisible enemies around you for 5 seconds. Exposed enemies cannot return to stealth or invisibility for 4 seconds.
While slotted you gain Major Savagery, increasing your Weapon Critical rating by 2629. You also gain Minor Berserk for 5 seconds after you deal Critical Damage from an enemy's flank, increasing your damage done by 5% .
While slotted, dealing Critical Damage from the flank of an enemy grants Minor Berserk.