Mage · Arcane · tier 4 · from level 25
Missile Barrage
Missile Barrage
Rank 1/1
Gives your Arcane Blast spell a 40% chance, and your Fireball, Frostbolt, and Frostfire Bolt spells a 20% chance to reduce the channeled duration of your next Arcane Missiles spell by 50%, reduce the Mana cost by 100%, and missiles fire every 0.5 sec.
Doesn't change the damage or healing of any Mage spell.
Averages, counting crits and misses, for a level 60 Mage with a typical weapon and no other gear or buffs, against a target your level. Worked out from the game's own data, the same way as the Foresight addon.