• Beneficient Bulwark
• Binds when equipped
  
• Shield
• Off Hand
• 4283 Armor
• 101 Block
• +19 Intellect
  +19 Spirit
• Requires Level 69
• Equip: Increases spell power by 22.
  Equip: Restores 9 mana per 5 sec
• 

Source

This item is a Northrend world drop.

Patch changes

Patch 3.0.3 (04-Nov-2008): Added. 

External links

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