• Void Sabre
• Item Level 232Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
  
• Sword
• One-Hand
  
• Speed 1.50
• 187 - 349 Damage
• (178.7 damage per second)
• +52 Agility
  +51 Stamina
• Red Socket
• Socket Bonus: +4 Agility
• Durability 105 / 105
• Requires Level 80
• Equip: Improves hit rating by 36.
  Equip: Improves critical strike rating by 20.
  Equip: Increases attack power by 72.
• Sell Price: 22 36 43

Source

This item drops from General Vezax on hard mode in the 10-man version of Ulduar.

Patch changes

•  Patch 3.1.2 (2009-05-19): Stats changed.
  
•  Patch 3.1.0 (2009-04-14): Added.
  

External links

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