Arcane Barrage has been removed from the talent tree and is now learned at level 11 (was a row 1 Arcane talent).
Damage increased by 6% and no longer has a 3 second cooldown.
Patch 10.1.0 (2023-05-02): Damage increased by 8%.
Patch 10.0.0 (2022-10-25): Now a row 1 Arcane talent (was a level 10 Arcane ability). Rank 2 converted into the [Arcing Cleave] talent. Rank 3 converted into the [Mana Adept] talent.
Patch 9.2.0 (2022-02-22): Arcane mages can now engage with multiple targets with Arcane Barrage.
Hotfix (2021-01-26):Arcane Barrage should now correctly return 1.5% mana per Arcane Charge.
Patch 9.0.2 (2020-11-17): Rank 3 added at level 52: Arcane Barrage grants you 2% of your maximum mana per Arcane Charge spent.
Patch 9.0.1 (2020-10-13): Rank 2 moved to level 31 (was 34).
Patch 8.0.1 (2018-07-17): Damage done per Arcane Charge reduced to 30% (down from 60%). Mana cost removed. Cooldown reduced to 3 seconds.
Hotfix (2017-01-23):Increased the damage of Arcane Barrage by 8%.
Patch 7.1.5 (2017-01-10): Damage increased by 12%.
Patch 7.1.0 (2016-10-25): The cleave effect of this spell has been split into a second rank, available at level 34.
Patch 7.0.3 (2016-07-19): Damage increased by 74%, damage increase per Arcane Charge increased to 60% (up from 50%). Cooldown increased to 4.5 seconds (was 3). Now learned at level 10 (was 12).
Hotfix (2014-12-08):Damage has been increased by 16%.
Hotfix (2014-10-14):Resolved a script error with Arcane Barrage.
Patch 5.2.0 (2013-03-05): Damage has been reduced by 16.1%.
Hotfix (2012-09-20):Arcane Barrage damage has been reduced by approximately 3.5%.
Patch 5.0.4 (2012-08-28): Now affected by the Arcane Charge resource mechanic, and may now cleave nearby targets based on charges. Mana cost reduced to 0.5% base mana (was 11%) and cooldown reduced to 3 seconds (was 4). Now learned at level 12 (was 10).
Patch 4.1.0 (2011-04-26): Damage has been increased by 13%.
Patch 4.0.6 (2011-02-08): Mana cost has been reduced by 8%.
Hotfix (2011-01-18):The mana costs of the following mage spells have been reduced, but they still require the previous percentage of base mana in order to be cast: Arcane Barrage (11% of base mana), [Arcane Blast] (7% of base mana), and [Fireball] (12% of base mana). As an example, Fireball requires 16% base mana to cast, but only consumes 12% of base mana.
Patch 4.0.3a (2010-11-23): Damage has been increased by 5% and its cooldown is now 4 seconds, down from 5 seconds.
Patch 4.0.1 (2010-10-12): Now a level 10 Arcane specialization ability (was a tier 11 Arcane talent).
Patch 3.0.9 (2009-02-10): Spell power co-efficient reduced to 71.43% (down from 85.71%).
[Arcane Barrage].
[Arcane Bombardment], 
[Arcing Cleave], 
[Chrono Shift], 
[Orb Barrage], 
[Resonance]
Hotfix (2023-07-18): Damage increased by 3%. 
