1515

• Bottled Nethergon Energy
• Item Level 68Disenchants into:
  Not disenchantable
• Requires Level 55
• Use: Restores 1800 to 3000 mana.
  
  Only works inside Tempest Keep: The Eye, The Arcatraz, The Botanica, The Mechanar.
• 1 Charges
• "Insert into nearest energy receptacle."
• Cooldown: 2 min

Source

This item drops from NPCs in the Tempest Keep instances.

External links

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