• Armguards of Unearthly Light
• Item Level 333Disenchants into:
  [Dream Shard]: 1 (99.5%)
  [Abyss Crystal]: 1 (0.5%)
• Binds when picked up
  
• Plate
• Wrist
• 1369 Armor
• +114 Strength
  +224 Stamina
• Durability 45 / 45
• Requires Level 83
• Equip: Increases your dodge rating by 149.
  Equip: Improves hit rating by 76.
• Sell Price: 8 76 8

Source

This item drops from Isiset in the Seat of Magic in Halls of Origination.

Patches and hotfixes

• Patch 4.0.3 (15-Nov-2010): Added. 
  

External links

• Battle.net (EU)
• Wowhead
• Thottbot
• WoWDB