From the Harbinger Quest introduced in the Into the Darkness event.

Harbinger Arm Guard Live
File:Harbinger Arm Guard icon.png Harbinger Arm Guard
The hallowed out Arm of the Harbinger.
Value 9,000p
Burden 900
AL Slash Pierce Bludgeon
380 (600) 494 (1200) 494 (1200) 494 (1200)
Fire Cold Acid Lightning
760 (1200) 760 (1200) 760 (1200) 760 (1200)
Areas Covered Hands
Restrictions Level 180+
Spells Archer's Bane, Web of Defense, Hydra's Head, Web of Resistance, Swordsman's Bane, Tusker's Bane, Brogard's Defense, Minor Magic Resistance
Activations Arcane Lore: 200, Melee Defense: 400
Spellcraft 300
Mana 1200, 1/60sec
Related Quests Harbinger
Notes Give Harbinger Arm Token to Ciandra in Xarabydun for a chance at getting the arm guard.