• Silvermoon Leggings
• Item Level 62Disenchants into:
  [Large Brilliant Shard]: 1 (99.5%)
  [Nexus Crystal]: 1 (0.5%)
• Binds when picked up
  
• Mail
• Legs
• 320 Armor
• +10 Spirit
  +6 Agility
  +16 Intellect
  +16 Stamina
• Durability 90 / 90
• Requires Level 57
• Equip: Increases spell power by 18.
• 
• Sell Price: 2 93 32

Source

This item drops from Prince Tortheldrin in Dire Maul.

Patches and hotfixes

Patch 1.3.0 (07-Mar-2005): Added 

External links

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