• Helm of Affinity
• Item Level 81Disenchants into:
  [Arcane Dust]: 1-2 (22%)
  [Lesser Planar Essence]: 1-3 (75%)
  [Small Prismatic Shard]: 1 (3%)
• Binds when picked up
  
• Mail
• Head
• 347 Armor
• +19 Intellect
  +19 Stamina
• Durability 60 / 60
• Equip: Increases spell power by 23.
  Equip: Restores 5 mana per 5 sec.
• 
• Sell Price: 2 40 91

Source

This item is a quest reward from the following quests:

•  [61] Burn It Up... For the Horde!^ω τ ϖ
•  [61] Laying Waste to the Unwanted^ω τ ϖ

External links

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