• Fang of the Mystics
• Item Level 70Disenchants into:
  [Nexus Crystal]: 1-2
• Binds when picked up
  
• Dagger
• Main Hand
  
• Speed 1.50
• 38 - 86 Damage
• (41.5 damage per second)
• +10 Intellect
• Durability 75 / 75
• Requires Level 60
• Equip: Increases your critical strike rating by 14.
  Equip: Restores 4 mana per 5 sec.
  Equip: Increases spell power by 40.
• 
• Sell Price: 7 64 83

Source

This item drops from Azuregos in Azshara.

Patch changes

Patch 1.3.0 (07-Mar-2005): Added. 

External links

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