• Shoulderguards of the Solemn Watch
• Item Level 226Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
  
• Plate
• Shoulder
• 1741 Armor
• +79 Strength
  +119 Stamina
• Durability 100 / 100
• Requires Level 80
• Equip: Increases defense rating by 41.
  Equip: Increases your parry rating by 45.
  Equip: Increases your shield block rating by 36.
• Sell Price: 11 37 35

Source

This item can be found inside Cache of Living Stone after defeating Kologarn in the 10-man version of Ulduar.

Patch changes

• Patch 3.1.0 (14-Apr-2009): Added. 
  

External links

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