valvetime.gg
Menu

DOTA 2 / HERO HISTORY

Arc Warden changes

Balance notes across the versions listed by Valve. An unchanged patch is a small victory for your muscle memory.

Change record

43 patches with recorded changes · 118 of 118 listed patches readable.

Coverage: Feb 1, 2018 to Sep 15, 2026. This feed does not include every patch in Dota’s lifetime.

Inspect coverage by patch

Jun 4, 2026

Arc Warden in 7.41d

  • FluxCast Range increased from 500/600/700/800 to 625/700/775/850
  • FluxMovement Speed Slow increased from 14/21/28/35% to 20/25/30/35%

May 6, 2026

Arc Warden in 7.41c

  • Base Agility increased from 20 to 22
  • Damage at level 1 increased from 51-57 to 52-58

Apr 7, 2026

Arc Warden in 7.41b

  • TalentsLevel 20 Talent Magnetic Field Cooldown Reduction decreased from 5s to 4s
  • TalentsLevel 20 Talent +200 Spark Wraith Damage replaced with +30s Spark Wraith Duration
  • TalentsLevel 25 Talent +30s Spark Wraith Duration replaced with +240 Spark Wraith Damage
  • TalentsLevel 25 Talent Runic Infusion All Attributes Bonus decreased from +1.5 to +1

Mar 24, 2026

Arc Warden in 7.41

  • Strength gain decreased from 2.4 to 2.2
  • Agility gain decreased from 3.0 to 2.7
  • Damage gain per level decreased from 3.6 to 3.4
  • Base Movement Speed increased from 285 to 300
  • TalentsLevel 20 Talent +50% Spark Wraith Damage replaced with +200 Spark Wraith Damage
  • TalentsLevel 25 Talent -1.1s Spark Wraith Activation Delay replaced with +30s Spark Wraith Duration
  • TalentsLevel 25 Talent Tempest Double Has No Penalties replaced with +1.5 Runic Infusion All Attributes Bonus (applies retroactively)
  • Runic InfusionNo longer grants the Regeneration Rune buff upon activating any rune
  • Runic InfusionNow provides Arc Warden with +1.5 all attributes permanently whenever Arc Warden or the Tempest Double activates a Power Rune
  • Magnetic FieldThe field now also pulls runes, and automatically activates ones that are inside. Rune Pull Force: 100. Rune Pull Radius: 800/1200/1600/2000
  • Spark WraithSlow Duration increased from 0.5/0.6/0.7/0.8s to 0.7/0.8/0.9/1s
  • Spark WraithNo longer upgraded with Aghanim's Shard
  • Tempest DoubleGold and XP Bounty rescaled from 180/240/300 to 70 + 10 per level
  • Tempest DoubleNow upgraded with Aghanim's Shard
  • Tempest DoubleThe Tempest Double is infused with the bonuses of Arcane, Invisibility, and Haste Runes for 12s. These bonuses don't provide Runic Infusion stacks

Dec 15, 2025

Arc Warden in 7.40

  • Base attack speed increased from 100 to 110
  • Magnetic FieldMana Cost rescaled from 50/70/90/110 to 60/70/80/90

May 22, 2025

Arc Warden in 7.39

  • Runed Replica · Tempest DoubleLevel 1 now grants Arcane Rune instead of Invisibility Rune
  • Runed Replica · Tempest Double · ContextAll other levels are unchanged
  • TalentsLevel 20 Talent Magnetic Field Cooldown Reduction decreased from 7s to 5s
  • TalentsLevel 20 Talent Spark Wraith Damage increased from +40% to +50%
  • TalentsLevel 25 Talent Spark Wraith Activation Delay Reduction increased from 1s to 1.1s

Mar 4, 2025

Arc Warden in 7.38b

  • Runed Replica · Tempest DoubleRune Duration increased from 10s to 12s

Feb 18, 2025

Arc Warden in 7.38

  • Runed Replica · Tempest DoubleTempest Double is infused with the bonuses of Power Runes for 10s when created
  • Runed Replica · Tempest DoubleLevel 1 - Invisibility Rune
  • Runed Replica · Tempest DoubleLevel 2 - Invisibility and Arcane Runes
  • Runed Replica · Tempest DoubleLevel 3 - Invisibility, Arcane and Haste Runes
  • Power Capture · Runic InfusionArc Warden gains +1.5 All Attributes permanently upon activating any Power Rune
  • Power Capture · Runic Infusion · ContextAutomatic Regeneration Rune effect from Arc Warden's Innate ability doesn't count
  • Power Capture · Magnetic FieldOnce created, the field pulls all runes in 1200/1800/2400/3000 radius towards it with increasing speed. Any rune that's within Magnetic Field or is pulled into it is automatically activated. Rune acceleration: 150
  • Power Capture · Magnetic Field · ContextRune radius and speed values guarantee runes will always reach the field within the duration
  • Is now a Universal Hero
  • Base Damage decreased by 10
  • Damage at level 1 decreased by 2 (from 53-59 to 51-57)
  • Damage gain per level increased from +3.0 to +3.6
  • Damage at level 30 increased by 21 (from 154-160 to 175-181)
  • Zet has attuned to the New Frontiers and no longer has 'Tempest' versions of abilities
  • Removed Order and Disorder Facets
  • TalentsLevel 15 Talent Magnetic Field Attack Speed increased from +16 to +25
  • TalentsLevel 15 Talent +2s Flux Duration replaced with +20% Flux Slow
  • TalentsLevel 25 Talent Flux silences when target is alone replaced with -1s Spark Wraith Activation Delay
  • FluxNow has the same effect for both Arc Warden and Tempest Double
  • FluxDeals 15/30/45/60 damage per second and slows target's movement speed by 14/21/28/35%
  • Flux · ContextPrevious values: Arc Warden: 15/30/45/60 damage per second and 15/22/30/39% Movement Slow. Tempest Double: 20/45/70/95 damage per second and 5/8/11/14% Movement Slow
  • FluxNow upgraded with Aghanim's Scepter
  • FluxSilences when the target is alone. Increases damage by 50% and duration by 2s
  • Magnetic FieldNow is a Point Targeted ability with 900 cast range. Can be double tapped for self-cast to create the field centered on the caster
  • Magnetic FieldNow has the same effect for both Arc Warden and Tempest Double
  • Magnetic FieldCreates a circular distortion field that grants 100% evasion and 30/60/90/120 bonus attack speed to all allied units within
  • Magnetic Field · ContextPrevious values: Arc Warden: Field grants 100% evasion and 30/60/90/120 bonus attack speed. Tempest Double: Field increases attack range by 150 and base attack damage by 20/40/60/80
  • Magnetic FieldNo longer upgraded with Aghanim's Shard
  • Spark WraithNow has the same effect for both Arc Warden and Tempest Double
  • Spark WraithSpark activates in 1.5 seconds, flies at a speed of 550, slows enemy for 0.5/0.6/0.7/0.8s and deals 100/170/240/310 damage
  • Spark Wraith · ContextPrevious values: Arc Warden: Spark activates in 2 seconds, flies at a speed of 400, slows enemy for 0.6/0.8/1/1.2s, deals 100/180/260/340 damage. Tempest Double: Spark activates in 1 second, flies at a speed of 725, slows enemy for 0.4/0.5/0.6/0.7s and deals 75/140/205/270 damage
  • Spark WraithNo longer does 40% more damage to non-hero units
  • Spark WraithNo longer upgraded with Aghanim's Scepter
  • Spark WraithNow upgraded with Aghanim's Shard
  • Spark WraithWhen Spark Wraith activates, a secondary Spark Wraith will fuse with the next closest target that deals 80% damage. Increases Spark Wraith search radius by 100
  • Tempest DoubleCooldown decreased from 100/90/80s to 60/55/50s
  • Tempest DoubleDuration decreased from 60s to 18/21/24s
  • Tempest DoubleNow spawns with Arc Warden's current health and mana
  • Tempest DoubleTempest Double no longer has penalties when more than 2000 range away from Arc Warden
  • Tempest DoubleNo longer restarts the ability cooldown if the Tempest Double is killed by enemies
  • Tempest DoubleLoses its sense of self and fractures over time, becoming slower and less accurate. Max Miss Chance: 35%. Max Self Slow: 35%

Aug 14, 2024

Arc Warden in 7.37b

  • TalentsLevel 15 Talent Magnetic Field Attack Speed/Bonus Damage decreased from +20 to +16
  • TalentsLevel 20 Talent Spark Wraith Damage increased from +35% to +40%

Jul 31, 2024

Arc Warden in 7.37

  • Order · FluxMovement Speed Slow increased from 14/21/28/35% to 15/22/30/39%
  • Order · Spark WraithSlow Duration increased from 0.4/0.5/0.6/0.7s to 0.6/0.8/1.0/1.2s
  • Disorder · FluxMovement Speed Slow decreased from 6/10/14/18% to 5/8/11/14%
  • Disorder · Spark WraithSlow Duration decreased from 0.6/0.8/1.0/1.2s to 0.4/0.5/0.6/0.7s
  • TalentsLevel 25 Talent Magnetic Field Affects Creeps and Buildings replaced with Flux Silences when target is alone

Jun 6, 2024

Arc Warden in 7.36b

  • Order · Magnetic FieldAttack Speed bonus rescaled from 50/60/70/80 to 30/60/90/120
  • Order · Magnetic FieldDuration increased from 3.5/4.5/5.5/6.5s to 4/5/6/7s
  • Disorder · Magnetic FieldDuration decreased from 5/6/7/8s to 4/5/6/7s
  • TalentsLevel 10 Talent Flux Cast Range increased from +175 to +200
  • TalentsLevel 15 Talent Flux Duration increased from +1.5s to +2.0s

May 26, 2024

Arc Warden in 7.36a

  • Tempest DoublePenalty Increased Damage decreased from 75% to 60%
  • Tempest Double · ContextWhen far away

May 22, 2024

Arc Warden in 7.36

  • Innate Ability · Runic InfusionNew Innate ability. Passive, can't be leveled up
  • Innate Ability · Runic InfusionUpon activating any rune, gain the Regeneration Rune buff for 4s. Duration is reduced by 34% for activating Bounty or Water Runes
  • Innate Ability · Runic Infusion · ContextActivating Wisdom Rune provides a full 4s buff. Activating Regeneration Rune creates a stackable second effect
  • OrderArc Warden and Tempest Double have their respective ability effects
  • DisorderArc Warden and Tempest Double have their ability effects swapped
  • Ability effects no longer depend on the side Arc Warden plays for
  • TalentsLevel 25 Talent +10s Tempest Double Duration replaced with Magnetic Field affects Buildings and Creeps
  • Magnetic FieldIs now a No Target ability, creating the field centered around its caster
  • Magnetic FieldNo longer affects buildings and creeps by default
  • Magnetic FieldNow always pushes all enemies away from the bubble when created, even without Aghanim's Shard
  • Magnetic FieldAghanim's Shard no longer provides Magic Resistance
  • Magnetic FieldAghanim's Shard now increases radius by 75 and changes speed of attack projectiles that are inside the bubble: enemy ones are slowed by 75% and allied ones are sped up by 75%
  • Tempest DoubleDuration increased from 18/22/26s to 60s
  • Tempest DoubleDistance Penalty now increases incoming damage by 75% instead of reducing outgoing damage by 50%
  • Tempest DoubleCooldown increased from 70/60/50s to 100/90/80s
  • Tempest DoubleNow restarts the ability cooldown if the Tempest Double is killed by enemies

Mar 21, 2024

Arc Warden in 7.35d

  • TalentsLevel 10 Talent Health decreased from +250 to +200
  • TalentsLevel 20 Talent Magnetic Field Cooldown Reduction decreased from 8s to 7s

Feb 21, 2024

Arc Warden in 7.35c

  • Base Strength decreased from 22 to 20
  • Strength gain decreased from 2.6 to 2.4
  • Spark WraithDuration decreased from 45s to 16s

Dec 14, 2023

Arc Warden in 7.35

  • TalentsLevel 15 Talent Magnetic Field Attack Speed/Bonus Damage decreased from +25 to +20
  • TalentsLevel 25 Talent Tempest Double Duration decreased from +12s to +10s

Oct 4, 2023

Arc Warden in 7.34d

  • Spark WraithNow deals 40% more damage to non-hero units
  • Tempest DoubleNow can be self-cast to spawn the Double next to Arc Warden

Sep 8, 2023

Arc Warden in 7.34c

  • Spark WraithTempest Damage increased from 75/135/195/255 to 75/140/205/270
  • Tempest DoubleThe Double now always spawns with full health and mana

Aug 14, 2023

Arc Warden in 7.34b

  • Base Armor increased by 1
  • Magnetic FieldCooldown decreased from 20s to 20/19/18/17s

Aug 8, 2023

Arc Warden in 7.34

  • TalentsLevel 10 Talent Health increased from +200 to +250
  • TalentsLevel 15 Talent +30 Magnetic Field Attack Speed/Bonus Magic Damage replaced with +25 Magnetic Field Attack Speed/Bonus Damage
  • TalentsLevel 20 Talent Magnetic Field Cooldown Reduction decreased from 9s to 8s
  • Magnetic FieldTempest version no longer provides a magical attack bonus
  • Magnetic FieldTempest version now provides 20/40/60/80 base bonus attack damage
  • Tempest DoubleIs now a point targeted ability with 700 cast range that spawns the Tempest Double in the pointed area

Jun 15, 2023

Arc Warden in 7.33d

  • TalentsLevel 15 Talent Magnetic Field Attack Speed/Bonus Magic Damage decreased from +40 to +30
  • TalentsLevel 15 Talent Flux Duration decreased from +2s to +1.5s
  • Tempest DoubleCooldown increased from 56/48/40s to 70/60/50s

Apr 20, 2023

Arc Warden in 7.33

  • All Tempest Double's abilities are replaced with 'Tempest' versions of Arc Warden's abilities
  • The upheaval has attuned Arc Warden to the Ancients. When playing on Dire side, Arc Warden will have the Tempest abilities by default and his Tempest Double will have its normal abilities. This condition is temporary and will go away once Zet adapts to the new paradigm.
  • TalentsLevel 15 Talent +40 Magnetic Field Attack Speed also grants to +40 Magnetic Field Magic Damage (Tempest Version)
  • TalentsLevel 20 Talent +40 Flux Damage replaced with -9s Magnetic Field Cooldown
  • TalentsLevel 20 Talent +125 Spark Wraith Damage replaced with +35% Spark Wraith Damage
  • TalentsLevel 25 Talent 40% Tempest Double Cooldown Reduction replaced with No Damage Penalty Distance for Tempest Double
  • FluxTempest version provides higher damage (15/30/45/60 -> 20/45/70/95) but lower movement speed penalty to the enemy (14/21/28/35% -> 6/10/14/18%)
  • Magnetic FieldTempest version provides +150 attack range (ranged heroes only), adds 20/40/60/80 magic damage to attacks made by allies from the field and has an increased duration of 5/6/7/8s
  • Spark WraithTempest version has a shorter activation delay (2s -> 1s), a faster moving Wraith (400 -> 725), longer slow duration (0.4/0.5/0.6/0.7 -> 0.6/0.8/1.0/1.2 ) but has a lower damage (100/180/260/340 -> 75/135/195/255)
  • Tempest DoubleCooldown decreased from 60/50/40s to 56/48/40s

Mar 6, 2023

Arc Warden in 7.32e

  • Spark WraithAghanim's Scepter secondary Spark Wraith Search Radius decreased from 375 to 225

Nov 29, 2022

Arc Warden in 7.32d

  • TalentsLevel 10 Talent Health decreased from +225 to +200
  • TalentsLevel 25 Talent Tempest Double Cooldown Reduction decreased from 50% to 40%
  • Spark WraithAghanim's Scepter secondary Wraith Duration decreased from 45s to 15s

Aug 23, 2022

Arc Warden in 7.32

  • FluxSlow decreased from 20/30/40/50% to 14/21/28/35%
  • FluxSlow is now always applied (Damage is still applied only if there are no allies nearby)

Feb 23, 2022

Arc Warden in 7.31

  • Agility gain increased from 2.5 to 3.0
  • TalentsLevel 15 Talent +8 Armor replaced with +2s Flux Duration
  • TalentsLevel 25 Talent +35% Lifesteal replaced with Tempest Double has 50% Cooldown Reduction
  • Spark WraithDamage increased from 100/170/240/310 to 100/180/260/340
  • Tempest DoubleNow has a 50% attack damage penalty if more than 2000 units away from Arc Warden

Sep 10, 2021

Arc Warden in 7.30c

  • Strength reduced from 23 + 2.8 to 22 +2.6
  • Base Agility increased from 16 to 20 (Base Damage unchanged)
  • TalentsLevel 25 Talent +25% Lifesteal increased to 35%
  • Spark WraithAghanim's Scepter secondary spark wraith activation delay reduced from 3s to 2.

Aug 17, 2021

Arc Warden in 7.30

  • TalentsLevel 15 Talent +12% Cooldown Reduction replaced with +8 Armor
  • TalentsLevel 15 Talent + 40 Attack Speed replaced with +40 Magnetic Field Attack Speed
  • TalentsLevel 20 talent +100 Attack Range replaced with +40 Flux Damage Per second
  • Magnetic FieldShard slow increased from 20% to 30%

Apr 9, 2021

Arc Warden in 7.29

  • TalentsLevel 10 Talent reduced from +200 Flux Cast Range to +175
  • TalentsLevel 10 Talent increased from +200 Health to +225
  • Magnetic FieldShard magic resistance increased from 20% to 40%
  • Magnetic FieldShard now also slows enemies by 20%

Dec 21, 2020

Arc Warden in 7.28a

  • Base strength reduced from 25 to 23
  • TalentsLevel 10 Talent reduced from +250 Flux Cast Range to +200
  • TalentsLevel 20 Talent reduced from +150 Spark Wraith Damage to +125

Aug 26, 2020

Arc Warden in 7.27d

  • TalentsLevel 10 Talent reduced from +350 Flux Cast Range to +300
  • Tempest DoubleNo longer breaks Smoke of Deceit

Jul 15, 2020

Arc Warden in 7.27b

  • Base armor increased by 1
  • Agility from 15 + 2.4 to 16 + 2.5
  • TalentsLevel 10 Talent changed from +6% Cooldown Reduction to +350 Flux Cast Range
  • TalentsLevel 10 Talent changed from +30 Attack Speed to +200 Health
  • TalentsLevel 15 Talent changed from +325 Flux Cast Range to +15% Cooldown Reduction
  • TalentsLevel 15 Talent changed from +250 Health to +50 Attack Speed
  • Spark WraithDuration reduced from 50 to 45

May 24, 2019

Arc Warden in 7.22

  • Turn rate improved from 0.6 to 0.7
  • Fixed Tempest Double being unable to activate runes
  • Added Scepter upgrade. Grants a new ability, Rune Forge. Creates a random Rune in front of you. Cooldown 60. The selection of Runes include Bounty Runes and Powerup Runes.
  • TalentsLevel 10 Talent increased from +30 Attack Speed to +35
  • TalentsLevel 20 Talent increased from -1.5 Spark Wraith Cooldown to -2

Mar 24, 2019

Arc Warden in 7.21d

  • Agility gain increased from 2.1 to 2.4
  • Tempest DoubleDuration increased from 16/18/20 to 16/20/24

Jan 29, 2019

Arc Warden in 7.21

  • TalentsLevel 10 Talent increased from +25 Attack Speed to +30
  • Spark WraithDamage increased from 100/160/220/280 to 100/170/240/310
  • Tempest DoubleDuration increased from 14/16/18 to 16/18/20

Nov 19, 2018

Arc Warden in 7.20

  • TalentsLevel 15 Talent changed from +350 Health to +300
  • Tempest DoubleBounty increased from a fixed 180 Gold/XP to 180/240/300

May 27, 2018

Arc Warden in 7.16

  • Base damage increased by 2
  • Magnetic FieldManacost reduced from 80/90/100/110 to 50/70/90/110

Apr 24, 2018

Arc Warden in 7.14

  • TalentsLevel 15 Talent changed from +3s Flux Duration to +400 Flux Cast Range
  • Magnetic FieldCooldown reduced from 35/30/25/20 to 20

Mar 29, 2018

Arc Warden in 7.12

  • FluxCooldown reduced from 18 to 16
  • Magnetic FieldAoE increased from 275 to 300

Mar 1, 2018

Arc Warden in 7.10

  • Talent: Level 10 Talent changed from +5 Armor to 8% Cooldown Reduction
  • Talent: Level 15 Talent increased from +2s Flux Duration to +3s
  • Talent: Level 20 Talent increased from +100 Attack Range to +125
  • Talent: Level 20 Talent changed from +10% Cooldown Reduction to -1.5s Spark Wraith Cooldown

Source: Valve’s public Dota 2 data feeds. Notes belong to Valve. Dates use Bellevue time (Pacific).