Unstable Mana Potion

Unstable Mana Potion is a potion that restores 1350 to 2250 mana, the same amount as a. Despite the name, it is not unstable at all.

Source
This item is made by Alchemists with a skill level of 340.

The recipe is taught by Master alchemy trainers in Outland.

It is also a reward from the Sha'tari Skyguard quest.