• Major Combat Mana Potion
• Item Level 70Disenchants into:
  Not disenchantable
• Binds when picked up
• Unique (10)
• Requires Level 61
• Use: Restores 1350 to 2250 mana.
• 1 Charges
• Cooldown: 1 min (Out of Combat)
• Vendor 2

Source

This item is a PvP reward, and can be purchased for 2 , 2 , 2 , or 2 from:

• Master Sergeant Biggins <Officer Accessories Quartermaster> in Champions' Hall
• Brave Stonehide <Officer Accessories Quartermaster> in Hall of Legends

Patches and hotfixes

Patch 1.7.0 (13-Sep-2005): Added 

External links

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