• Frostwolf Advisor's Pendant
• Item Level 60Disenchants into:
  [Large Brilliant Shard]: 1 (99.5%)
  [Nexus Crystal]: 1 (0.5%)
• Binds when picked up
• Neck
• +10 Intellect
  +10 Stamina
• Requires Level 55
• Equip: Restores 4 mana per 5 sec.
• Vendor 1600

Source

This item is a PvP reward, and can be purchased for 1600 from:

• Grunnda Wolfheart <Frostwolf Supply Officer> in Alterac Valley
• Jekyll Flandring <Frostwolf Supply Officer> in Hillsbrad Foothills

Patch changes

• Patch 1.5.0 (2005-06-07): Added. 
  

External links

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