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For the Pet Battle ability, see Peticon-magical Spell arcane blast [Arcane Blast].
Arcane Blast
Spell arcane blast
  • Arcane Blast
  • Level 10 Arcane mage ability
  • 40 yd range
  • 2.75% of base mana
  • 2.25 sec cast
  • Blasts the target with energy, dealing (68.6769% of Spell power) Arcane damage.

    Each Arcane Charge increases damage by 60% and mana cost by 100%, and reduces cast time by 8%.

    Generates 1 Arcane Charge.
Class Mage
School Arcane
Cooldown None/Global Cooldown
Other information
Level learned 10
Improvements Spell nature wispsplode [Crackling Energy], Spell arcane arcanetorrent [Impetus], Spell arcane starfire [Rule of Threes]

Arcane Blast is a level 10 Arcane mage ability. Its damage, mana cost, and casting speed are increased by Arcane Charges. This creates tension between mana efficiency and DPS, which plays a part in Arcane's playstyle of cycling between a "burn phase" and a "conserve phase."



Patch changes[]

  • Dragonflight Patch 10.1.5 (2023-07-11): Now deals 85% damage when cast with Spell nature enchantarmor [Presence of Mind] in PvP combat.
  • Dragonflight Patch 10.1.0 (2023-05-02): Damage increased by 10%.
  • Shadowlands Patch 9.2.5 (2022-05-31): Arcane Blast damage increased by 10%.
  • Shadowlands Patch 9.1.0 (2021-06-29): Arcane Blast now deals 20% more damage in PvP combat.
  • Battle for Azeroth Patch 8.0.1 (2018-07-17): Arcane Blast's mana cost is now increased by 100% per Arcane Charge (down from 125%). Additionally, the cast time of Arcane Blast is now reduced by 8% per charge. Base mana cost reduced to 2.75%, down from 3%.
  • Legion Patch 7.3.0 (2017-08-29): Arcane Blast has received new casting and impact animations.
  • Legion Hotfix (2017-01-23): Damage increased by 8%.
  • Legion Hotfix (2017-01-17): Arcane Blast now deals normal damage in PvP situations (was an additional 5%).
  • Legion Patch 7.1.5 (2017-01-10): Damage increased by 12%.
  • Legion Patch 7.1.0 (2016-10-25): Damage increased by 17%.
  • Legion Hotfix (2016-09-23): Arcane Blast damage increased by 10%.
  • Legion Hotfix (2016-08-26): Arcane Blast (Arcane) now deals 15% more damage in PvP.
  • Legion Hotfix (2016-08-22): Arcane Blast mana cost has been decreased to 3.0% base mana (was 3.2%).
  • Legion Patch 7.0.3 (2016-07-19): Spell power co-efficient increased to 150% (up from 121%) and damage increase per Arcane Charge increased to 60% (up from 50%). Arcane Blast no longer causes a debuff; Arcane Charges are now a secondary resource.
  • Warlords of Draenor Hotfix (2014-12-08): Damage has been increased by 16%.
  • Warlords of Draenor Patch 6.0.2 (2014-10-14):
    • Now replaces Ability mage frostfirebolt [Frostfire Bolt] for Arcane mages.
    • Cast time increased to 2.25 seconds (up from 2 seconds). Damage has been increased by 12.5% to compensate.
  • Mists of Pandaria Patch 5.2.0 (2013-03-05): Damage has been reduced by 22.9% and mana cost has been increased to 1.66667% of base mana (was 1.5%).
  • Mists of Pandaria Patch 5.1.0 (2012-11-27): Arcane Blast's mana cost increase when affected by Arcane Charge is now +75% (was +125%).
  • Mists of Pandaria Hotfix (2012-09-20): Arcane Blast damage has been reduced by approximately 3.5%.
  • Mists of Pandaria Patch 5.0.4 (2012-08-28): Now an Arcane specialization ability at level 10 (was a level 24 ability for all mages). Now affected by the Arcane Charge resource mechanic.
  • Cataclysm Patch 4.2.0 (2011-06-28): Damage done has been reduced by 5%.
  • Cataclysm Patch 4.1.0 (2011-04-26): Cast time has been reduced to 2.0 seconds, down from 2.35 seconds. In addition, the stacking effect of Arcane Blast now increases the damage done by Arcane Explosion, and Arcane Explosion does not consume that effect.
  • Cataclysm Hotfix (2011-02-15): Arcane Blast now costs 5% of base mana before stacking modifiers, down from 7%.
  • Cataclysm Patch 4.0.6 (2011-02-08): Mana cost has been reduced by 12%.
  • Cataclysm 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: Ability mage arcanebarrage [Arcane Barrage] (11% of base mana), Arcane Blast (7% of base mana), and Spell fire flamebolt [Fireball] (12% of base mana). As an example, Fireball requires 16% base mana to cast, but only consumes 12% of base mana.
  • Cataclysm Patch 4.0.3a (2010-11-23): Now increases damage of the next Arcane Blast by 10% per stack, down from 20%, reduces cast time by 0.1 seconds per stack, and increases the mana cost by 150%, down from 175%. In addition, the base cast time of Arcane Blast has been lowered to 2.35 seconds.
  • Cataclysm Patch 4.0.1 (2010-10-12): Arcane Blast now costs 8% of base mana, up from 7%. Range increased to 40 yards, up from 30 yards. Now increases damage of Arcane Blast by 20% for each charge, up from 15%. Now learned at level 20 (was 64).
  • Wrath-Logo-Small Patch 3.2.2 (2009-09-22): The buff from using this ability now stacks up to 4 times instead of 3, and each application increases mana cost by 175% instead of 200%. In addition, the duration of the buff has been reduced to 6 seconds.
  • Wrath-Logo-Small Patch 3.2.0 (2009-08-04): Mana cost reduced by 12%.
  • Wrath-Logo-Small Patch 3.1.0 (2009-04-14): Stacking effect is no longer considered a Magic effect and will not be dispelled.
    Formerly it was considered a harmful magical effect and could be dispelled by allies.
  • Wrath-Logo-Small Patch 3.0.8 (2009-01-20): This ability has been significantly changed. Arcane Blast now increases the damage of the next Arcane spell by 15%. However, using Arcane Blast itself does not consume the charge itself. Each time you cast Arcane Blast, the damage of Arcane spells is increased by 15% and the mana cost of Arcane Blast is increased by 200%. This effect stacks up to 3 times and lasts 10 seconds or until any Arcane damage spell except Arcane Blast is cast. Additionally, Arcane Blast will now work with the talent Spell arcane focusedpower [Torment the Weak].
  • Wrath-Logo-Small Patch 3.0.3 (2008-11-04): Mana cost reduced.
  • Wrath-Logo-Small Patch 3.0.2 (2008-10-14): Debuff effect duration reduced to 3 seconds, and now increases damage by 25/50/75% instead of reducing cast time.
  • Bc icon Patch 2.1.0 (2007-05-22):
    • A data error was fixed that was causing Arcane Blast to generate more threat than intended.
    • The Arcane Blast debuff can no longer be dispelled.
  • Bc icon Patch 2.0.3 (2007-01-09): The mage spell "Arcane Blast" will now receive the mana reduction benefits from "Clearcasting".
  • Bc icon Patch 2.0.1 (2006-12-05): Added.

External links[]