• Headdress of the Tides
• Item Level 115Disenchants into:
  [Large Prismatic Shard]: 1 (99.5%)
  [Void Crystal]: 1 (0.5%)
• Binds when picked up
  
• Mail
• Head
• 530 Armor
• +35 Intellect
  +30 Stamina
• Durability 70 / 70
• Requires Level 70
• Equip: Increases spell power by 39.
  Equip: Restores 9 mana per 5 sec.
• 
• Sell Price: 4 12 87

Source

This item drops from Ghaz'an in The Underbog on heroic mode.

External links

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