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Dota 2

Arc Warden: change history

22 changes across 5 patches (Dec 15, 2025 to Jun 4, 2026), newest first. Nerf Radar tracks the 10 most recent official updates for Dota 2, back to Dec 15, 2025.
Buff 6Nerf 4Adjust 12
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  1. Dota 2: Gameplay Update 7.41d (Jun 4, 2026)Buff 2Official notes ↗
    Buff
    Flux · Cast Range
    Cast Range on Arc Warden's Flux increases from 500/600/700/800 to 625/700/775/850.
    500/600/700/800→625/700/775/850
    Source line
    Cast Range increased from 500/600/700/800 to 625/700/775/850
    Buff
    Flux · Movement Speed Slow
    Movement Speed Slow on Arc Warden's Flux increases from 14/21/28/35% to 20/25/30/35%.
    14/21/28/35%→20/25/30/35%
    Source line
    Movement Speed Slow increased from 14/21/28/35% to 20/25/30/35%
  2. Dota 2: Gameplay Update 7.41c (May 6, 2026)Buff 1Official notes ↗
    Buff
    Base Agility
    Arc Warden's Base Agility increases from 20 to 22.
    20→22
    Source line
    Base Agility increased from 20 to 22
    • Damage at level 1 increased from 51-57 to 52-58
  3. Dota 2: Gameplay Update 7.41b (Apr 7, 2026)Nerf 2Adjust 2Official notes ↗
    Nerf
    Talents · Level 20 Talent Magnetic Field Cooldown Reduction
    Arc Warden's level 20 talent Magnetic Field Cooldown Reduction decreases from 5s to 4s.
    5s→4s
    Source line
    Level 20 Talent Magnetic Field Cooldown Reduction decreased from 5s to 4s
    Adjust
    Talents
    Level 20 Talent +200 Spark Wraith Damage replaced with +30s Spark Wraith Duration.
    Source line
    Level 20 Talent +200 Spark Wraith Damage replaced with +30s Spark Wraith Duration
    Adjust
    Talents
    Level 25 Talent +30s Spark Wraith Duration replaced with +240 Spark Wraith Damage.
    Source line
    Level 25 Talent +30s Spark Wraith Duration replaced with +240 Spark Wraith Damage
    Nerf
    Talents · Level 25 Talent Runic Infusion All Attributes Bonus
    Arc Warden's level 25 talent Runic Infusion All Attributes Bonus decreases from +1.5 to +1.
    +1.5→+1
    Source line
    Level 25 Talent Runic Infusion All Attributes Bonus decreased from +1.5 to +1
  4. Dota 2 Patch 7.41Buff 2Nerf 2Adjust 9Official notes ↗
    Nerf
    Strength gain
    Arc Warden's Strength gain decreases from 2.4 to 2.2.
    2.4→2.2
    Source line
    Strength gain decreased from 2.4 to 2.2
    Nerf
    Agility gain
    Arc Warden's Agility gain decreases from 3.0 to 2.7.
    3.0→2.7
    Source line
    Agility gain decreased from 3.0 to 2.7
    • Damage gain per level decreased from 3.6 to 3.4
    Buff
    Base Movement Speed
    Arc Warden's Base Movement Speed increases from 285 to 300.
    285→300
    Source line
    Base Movement Speed increased from 285 to 300
    Adjust
    Runic Infusion
    No longer grants the Regeneration Rune buff upon activating any rune.
    Source line
    No longer grants the Regeneration Rune buff upon activating any rune
    Adjust
    Runic Infusion
    Now provides Arc Warden with +1.5 all attributes permanently whenever Arc Warden or the Tempest Double activates a Power Rune.
    Source line
    Now provides Arc Warden with +1.5 all attributes permanently whenever Arc Warden or the Tempest Double activates a Power Rune
    Adjust
    Magnetic Field
    The field now also pulls runes, and automatically activates ones that are inside. Rune Pull Force: 100. Rune Pull Radius: 800/1200/1600/2000.
    Source line
    The field now also pulls runes, and automatically activates ones that are inside. Rune Pull Force: 100. Rune Pull Radius: 800/1200/1600/2000
    Buff
    Spark Wraith · Slow Duration
    Slow Duration on Arc Warden's Spark Wraith increases from 0.5/0.6/0.7/0.8s to 0.7/0.8/0.9/1s.
    0.5/0.6/0.7/0.8s→0.7/0.8/0.9/1s
    Source line
    Slow Duration increased from 0.5/0.6/0.7/0.8s to 0.7/0.8/0.9/1s
    Adjust
    Spark Wraith
    No longer upgraded with Aghanim's Shard.
    Source line
    No longer upgraded with Aghanim's Shard
    Adjust
    Tempest Double · Gold and XP Bounty
    Arc Warden's Tempest Double: Gold and XP Bounty changed from 180/240/300 to 70 + 10 per level.
    180/240/300→70 + 10 per level
    Source line
    Gold and XP Bounty rescaled from 180/240/300 to 70 + 10 per level
    Adjust
    Tempest Double
    Now upgraded with Aghanim's Shard.
    Source line
    Now upgraded with Aghanim's Shard
    • The Tempest Double is infused with the bonuses of Arcane, Invisibility, and Haste Runes for 12s. These bonuses don't provide Runic Infusion stacks
    Adjust
    Talents
    Level 20 Talent +50% Spark Wraith Damage replaced with +200 Spark Wraith Damage.
    Source line
    Level 20 Talent +50% Spark Wraith Damage replaced with +200 Spark Wraith Damage
    Adjust
    Talents
    Level 25 Talent -1.1s Spark Wraith Activation Delay replaced with +30s Spark Wraith Duration.
    Source line
    Level 25 Talent -1.1s Spark Wraith Activation Delay replaced with +30s Spark Wraith Duration
    Adjust
    Talents
    Level 25 Talent Tempest Double Has No Penalties replaced with +1.5 Runic Infusion All Attributes Bonus (applies retroactively).
    Source line
    Level 25 Talent Tempest Double Has No Penalties replaced with +1.5 Runic Infusion All Attributes Bonus (applies retroactively)
  5. Dota 2 Patch 7.40Buff 1Adjust 1Official notes ↗
    Buff
    Base attack speed
    Arc Warden's Base attack speed increases from 100 to 110.
    100→110
    Source line
    Base attack speed increased from 100 to 110
    Adjust
    Magnetic Field · Mana Cost
    Mana Cost on Arc Warden's Magnetic Field changes from 50/70/90/110 to 60/70/80/90.
    50/70/90/110→60/70/80/90
    Source line
    Mana Cost rescaled from 50/70/90/110 to 60/70/80/90

Each step links to the full patch breakdown and to Valve's official notes. Changes listed under a general heading such as "Bug fixes" are not included here; search to find every mention.