• Sorthalis, Hammer of the Watchers
• Item Level 239Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
  
• Mace
• One-Hand
  
• Speed 1.60
• 210 - 392 Damage
• (188.1 damage per second)
• +40 Strength
  +70 Stamina
• Red Socket
• Socket Bonus: +6 Stamina
• Durability 105 / 105
• Requires Level 80
• Equip: Increases defense rating by 29.
  Equip: Increases your parry rating by 36.
  Equip: Increases your expertise rating by 32.
• 
• Sell Price: 22 20 87

Source

This item drops from the XT-002 Deconstructor in the 25-man version of Ulduar on Hard Mode.

Patch changes

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

External links

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