• Leggings of Mortal Arrogance
• Binds when picked up
  
• Cloth
• Legs
• +85 Stamina
  +85 Intellect
  +71 Spirit
• Red Socket
  Blue Socket
• Socket Bonus: +6 Critical Strike Rating
• Durability 75 / 75
• Requires Level 80
• Equip: Improves critical strike rating by 57.
  Equip: Increases spell power by 115.
• 
• Sell Price: 9 10 7

Source

This item drops from Kel'Thuzad in the 25-man version of Naxxramas.

External links

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