• Amulet of Binding Elements
• Heroic
• Item Level 245Disenchants into:
  [Abyss Crystal]: 1-2
• Binds when picked up
• Neck
• +59 Stamina
  +57 Intellect
• Yellow Socket
• Socket Bonus: +4 Intellect
• Requires Level 80
• Equip: Increases critical strike rating by 50.
  Equip: Restores 21 mana per 5 sec.
  Equip: Increases spell power by 80.
• Sell Price: 7 56 23

Source

This item drops from Lord Jaraxxus for Alliance players in the 10-man Heroic version of Trial of the Crusader.

Patch changes

• Patch 3.2.0 (04-Aug-2009): Added. 
  

External links

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