• Boots of the Underdweller
• Item Level 226Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
  
• Plate
• Feet
• 1614 Armor
• +98 Strength
  +96 Stamina
• Durability 75 / 75
• Requires Level 80
• Equip: Improves hit rating by 49.
  Equip: Improves critical strike rating by 60.
• Sell Price: 10 98 62

Source

This item drops from General Vezax in the 25-man version of Ulduar.

Patch changes

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

External links

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