Free Action Potion

The Free Action Potion prevents any root, slow, or stun from affecting the drinker. It does not remove existing affects and does not prevent daze and fear effects.

Source
This item is made by Alchemists with a skill level of 150.

The recipe is sold in limited quantity by:
 * Ulthir in Darnassus
 * Vendor-Tron 1000 in Desolace
 * Soolie Berryfizz in Ironforge
 * Kor'geld in Orgrimmar