• Plans: Arcanite Reaper
• Item Level 63Disenchants into:
  Not disenchantable
• Requires Blacksmithing (300)
• Use: Teaches you how to make an Arcanite Reaper.
• [Arcanite Reaper]
• Requires 20x[Arcanite Bar], 6x[Enchanted Leather], 2x[Dense Grinding Stone]
• 1 Charges
• Sell Price: 2

Source

This item drops from Bannok Grimaxe in Blackrock Spire.

External links

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