• Mana Remnants
• Item Level 1Disenchants into:
  Not disenchantable
• Quest Item
• Unique (4)
• Use: Channel the power of 4 Mana Remnants into a nearby Crystal Ward.

Source

This item drops on the Isle of Quel'Danas from:

•  [69] Wretched Fiend
•  [69] Wretched Devourer

Patch changes

Patch 2.4.0 (25-Mar-2008): Added. 

External links

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