• Coruu Access Crystal
• Item Level 0Disenchants into:
  Not disenchantable
• Quest Item

Source

This item drops from Overseer Seylanna in Netherstorm.

Coruu Access Crystal as a quest objective

•  [67] Shutting Down Manaforge Coruu^ω τ ϖ in Netherstorm

External links

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