• Mantle of the Eastern Lords
• Heroic
• Item Level 346Disenchants into:
  [Dream Shard]: 1 (99.5%)
  [Abyss Crystal]: 1 (0.5%)
• Binds when picked up
  
• Cloth
• Shoulder
• 870 Armor
• +337 Stamina
  +205 Intellect
• Yellow Socket
• Socket Bonus: +10 Intellect
• Durability 80 / 80
• Requires Level 85
• Equip: Increases hit rating by 130.
  Equip: Increases mastery rating by 150.
• 
• Sell Price: 7 20 40

Source

This item drops from  Lord Godfrey in the Shadowfang Keep instance on heroic.

Patches and hotfixes

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

External links

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