Presence of Mind

Presence of Mind is a level 42 Arcane mage ability. When activated, causes the next two Arcane Blast to be instant cast.

Tips and tactics
Once Presence of Mind is activated, the next instant spell can be cast while on the move, where it would normally require the mage to stop and cast. Thus, it can be used to cast large nukes while jumping or falling.

This ability is popular with the so-called Three-Minute Mage, a play style that gets its name from this ability and Arcane Power, which both originally had a 3-minute cooldown.

Trivia

 * Presence of Mind is a Rare Mage ability card in the World of Warcraft: Trading Card Game's Drums of War set.