• Boots of Lingering Sorrow
• Heroic
• Item Level 346Disenchants into:
  [Dream Shard]: 1 (99.5%)
  [Abyss Crystal]: 1 (0.5%)
• Binds when picked up
  
• Cloth
• Feet
• 797 Armor
• +337 Stamina
  +205 Intellect
  +150 Spirit
• Yellow Socket
• Socket Bonus: +10 Intellect
• Durability 65 / 65
• Requires Level 85
• Equip: Increases your critical strike rating by 130.
• 
• Sell Price: 7 12 27

Source

This item drops from  Baron Silverlaine in heroic Shadowfang Keep, located within Silverpine Forest.

Patches and hotfixes

• Patch 4.0.3a (2010-11-23): Added. 
  

External links

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