• Circuit Design Breastplate
• Heroic
• Item Level 372Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
  
• Mail
• Chest
• 2548 Armor
• +578 Stamina
  +345 Intellect
  +217 Spirit
• Red Socket
  Blue Socket
• Socket Bonus: +20 Intellect
• Durability 165 / 165
• Requires Level 85
• Equip: Increases mastery rating by 257.
• 
• Sell Price: 20 53 29

For the normal version of this item see [Circuit Design Breastplate].

Source

This item drops from Omnotron Defense System in the Blackwing Descent raid instance on heroic mode.

Patches and hotfixes

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

External links

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