• Hoperender
• Item Level 219Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
  
• Polearm
• Two-Hand
  
• Speed 3.50
• 594 - 892 Damage
• (213.3 damage per second)
• +106 Agility
  +86 Stamina
• Blue Socket
• Socket Bonus: +6 Stamina
• Durability 120 / 120
• Requires Level 80
• Equip: Improves hit rating by 62.
  Equip: Increases attack power by 138.
  Equip: Increases your armor penetration rating by 78.
• 
• Sell Price: 26 43 17

Source

This item drops from General Vezax 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