Missile Barrage

Gives your Arcane Blast a 16% chance, and your Arcane Barrage, Fireball, Frostbolt and Frostfire Bolt spells a 8% chance to reduce the channeled duration of the next Arcane Missiles spell by $/1000;44401S1 secs, reduce the mana cost by -100%, and missiles will fire every .5 secs.