• Wraith Essence
• Item Level 1Disenchants into:
  Not disenchantable
• Quest Item

Source

This item drops from Arcane Wraith in Eversong Woods.

Wraith Essence as a quest objective

This item is an objective of  [1] Windows to the Source^ω τ ϖ.

External links

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