Arcane Barrage

Arcane Barrage is one of the primary damaging spells for arcane Mages, obtained by specializing in the Arcane tree.

Damage dealt
This table shows Arcane Barrage's damage for each fifth level, starting from 10 when it's obtained.

Arcane

 * Arcane Specialization is given to all mages specializing in Arcane. It increases the damage of all Arcane-spells by 25%.
 * Mana Adept (Mastery) increases all spell damage done by up to 12%, based on the amount of mana the Mage has unspent. Each point of Mastery increases damage done by up to an additional 1.5%.
 * Arcane Concentration gives you a 3/6/10% chance of entering a Clearcasting state after any damage spell hits a target. The Clearcasting state reduces the mana cost of your next damaging spell by 100%.
 * Torment the Weak Your Arcane damage spells deal 2/4/6% more damaged to snared or slowed targets.
 * Invocation does not directly increase the damage of Arcane Barrage, but nevertheless boosts its damage through Counterspell.
 * Arcane Tactics increases the damage of all party and raid members within 100 yards by 3%.
 * Incanter's Absorption does neither directly increase the damage of Arcane Barrage, but nevertheless boosts its damage through Mana Shield and Mage Ward.
 * Arcane Potency increases the critical strike chance of your next two damaging spells by 7/15% after gaining Clearcasting or Presence of Mind.
 * Focus Magic increases the target's chance to critically hit with spells by 3%. When the target critically hits the your chance to critically hit with spells is increased by 3% for 10 sec. Cannot be cast on self.
 * Arcane Power will, when active, cause your spells to deal 20% more damage while costing 20% more mana to cast. This effect lasts 15 sec.
 * Arcane Power is yet another talent which doesn't directly increase the damage of Arcane Barrage, but nevertheless does so through mana gems.

Fire

 * Master of Elements causes your spell criticals to refund 15/30% of their base mana cost.
 * Impact gives your damaging spells a 5/10% chance to reset the cooldown on Fire Blast and to cause the next Fire Blast you cast to stun the target for 2 sec and spread any Fire damage over time effects to nearby enemy targets within 12 yards.
 * Talents in the Fire-tree beyond Tier 2 are impossible to access due to lack of talent points.

Frost

 * Piercing Ice Increases the critical strike chance of your spells by 1/2/3%.
 * Shatter Multiplies the critical strike chance of all your spells against frozen targets by 2/3.
 * Shatter causes your Chill effects to reduce the target's speed by an additional 4%, and the target's healing received by 3%. In addition, whenever you deal spell damage, your Water Elemental is healed for 5% of the amount dealt.
 * Talents in the Frost-tree beyond Tier 2 are impossible to access due to lack of talent points.

Glyphs

 * Glyph of Arcane Barrage (Major Glyph) increases the damage of your Arcane Barrage spell by 4%.