• Shard Encrusted Breastplate
• Item Level 115Disenchants into:
  [Large Prismatic Shard]: 1 (99.5%)
  [Void Crystal]: 1 (0.5%)
• Binds when picked up
  
• Mail
• Chest
• 652 Armor
• +32 Agility
  +24 Stamina
  +23 Intellect
• Durability 120 / 120
• Requires Level 70
• Equip: Increases attack power by 70.
  Equip: Restores 3 mana per 5 sec.
• 

Source

This item drops from Tavarok in the Mana-Tombs under Heroic difficulty.

External links

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