• Plans: Darkrune Helm
• Requires Blacksmithing (300)
• Use: Teaches you how to make a Darkrune Helm.
• [Darkrune Helm]
• Requires Thorium Bar (16) Dark Rune (8) Truesilver Bar (8) Black Diamond (1)
• 1 Charges

Source

This item is randomly found in  [Decoded True Believer Clippings].

Patch changes

• Patch 1.8.0 (10-Oct-2005): Added. 
  

External links

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