• Plans: Annihilator
• Item Level 63Disenchants into:
  Not disenchantable
• Requires Blacksmithing (300)
• Use: Teaches you how to make an Annihilator.
• [Annihilator]
• Requires 40x[Thorium Bar], 12x[Arcanite Bar], 10x[Essence of Undeath], 8x[Huge Emerald], 2x[Dense Grinding Stone], 4x[Enchanted Leather]
• 1 Charges
• Sell Price: 2

Source

This item drops from Quartermaster Zigris in Blackrock Spire.

External links

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