• Lordaeron Medical Guide
• Item Level 115Disenchants into:
  [Large Prismatic Shard]: 1 (99.5%)
  [Void Crystal]: 1 (0.5%)
• Binds when picked up
• Held In Off-hand
• +12 Stamina
  +10 Intellect
  +16 Spirit
• Requires Level 70
• Equip: Increases spell power by 25.
• Sell Price: 3 44 50

Source

This item drops from Lieutenant Drake in the Escape from Durnholde Keep in Caverns of Time under Heroic difficulty.

External links

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