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Arc Warden
Arc Warden

Patch 7.41d05.06.2026+0.61 (0.61)

Abilities

Flux

Flux

  • BUFFCast Range increased from 500/600/700/800 to 625/700/775/850+25%+17%+11%+6%
  • BUFFMovement Speed Slow increased from 14/21/28/35% to 20/25/30/35%+43%+19%+7%0%

Patch 7.41c06.05.2026+0.65 (0.65)

GENERAL

  • BUFFBase Agility increased from 20 to 22?Damage at level 1 increased from 51-57 to 52-58+10%

Patch 7.41b07.04.2026-0.90 (1.78)

Talents

  • SWAPLevel 20 Talent: +200 Spark Wraith Damage replaced with +30s Spark Wraith Duration?TalentLevelValue+30s Spark Wraith Duration25 → 20sameSpark Wraith Damage20 → 25+200 → +240 +20%
  • SWAPLevel 25 Talent: +30s Spark Wraith Duration replaced with +240 Spark Wraith Damage?TalentLevelValueSpark Wraith Damage20 → 25+200 → +240 +20%+30s Spark Wraith Duration25 → 20same
  • NERFLevel 20 Talent: Magnetic Field Cooldown Reduction decreased from 5s to 4s-20%
  • NERFLevel 25 Talent: Runic Infusion All Attributes Bonus decreased from +1.5 to +1-33%

Patch 7.4124.03.2026+2.77 (7.43)

GENERAL

  • BUFFBase Movement Speed increased from 285 to 300+5%
  • NERFStrength gain decreased from 2.4 to 2.2-8%
  • NERFAgility gain decreased from 3.0 to 2.7?Damage gain per level decreased from 3.6 to 3.4 as a result-10%

Abilities

Runic Infusion

Runic Infusion

  • REWORKInnate reworked.
Passive
Upon activating any rune, Arc Warden gains the buff for 4s. Duration is reduced by 33% for activating or .
Activating a provides a full 4s buff. Activating a creates a stackable second effect.
Buff duration
4s
Duration reduction
33%
→
Passive
Whenever Arc Warden or the Tempest Double activates a , Arc Warden permanently gains +1.5 all attributes.
Bonus to all attributes
+1.5
Magnetic Field

Magnetic Field

  • NEWThe field now also pulls runes, and automatically activates ones that are inside. Rune Pull Force: 100. Rune Pull Radius: 800/1200/1600/2000
Spark Wraith

Spark Wraith

  • BUFFSlow Duration increased from 0.5/0.6/0.7/0.8s to 0.7/0.8/0.9/1s+40%+33%+29%+25%
  • DELRemoved Aghanim's Shard.
Tempest Double

Tempest Double

  • NEWAghanim'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
  • BUFFGold and XP Bounty rescaled from 180/240/300 to 70 + 10 per level-56%start+23%end
  • NEWAdded Aghanim's Shard.
Spark Wraith: When Spark Wraith activates, a secondary Spark Wraith will fuse to the next closest target that deals 80% damage. Increases Spark Wraith search radius to 475.
Second wraith damage
80%
Search radius
475
→
Tempest Double: The Tempest Double is infused with the bonuses of , , for 12s when created. Does not trigger Runic Infusion.
Infusion duration
12s

Talents

  • SWAPLevel 20 Talent: +50% Spark Wraith Damage replaced with +200 Spark Wraith Damage
  • SWAPLevel 25 Talent: -1.1s Spark Wraith Activation Delay replaced with +30s Spark Wraith Duration
  • SWAPLevel 25 Talent: Tempest Double Has No Penalties replaced with +1.5 Runic Infusion All Attributes Bonus (applies retroactively)

Patch 7.4016.12.2025+1.19 (1.19)

GENERAL

  • BUFFBase attack speed increased from 100 to 110+10%

Abilities

Magnetic Field

Magnetic Field

  • BUFFMana Cost rescaled from 50/70/90/110 to 60/70/80/90+20%0%-11%-18%

Patch 7.3922.05.2025-0.10 (1.50)

Facets

Runed Replica

  • REWORKLevel 1 now grants Arcane Rune instead of Invisibility Rune?All other levels are unchanged

Talents

  • BUFFLevel 20 Talent: Spark Wraith Damage increased from +40% to +50%+25%
  • BUFFLevel 25 Talent: Spark Wraith Activation Delay Reduction increased from 1s to 1.1s+10%
  • NERFLevel 20 Talent: Magnetic Field Cooldown Reduction decreased from 7s to 5s-29%

Patch 7.38b06.03.2025+0.89 (0.89)

Facets

Runed Replica

  • BUFFRune Duration increased from 10s to 12s+20%

Patch 7.3819.02.2025+2.35 (19.79)

GENERAL

  • REWORKMain attribute changed from Agility → Universal
  • NERFStarting damage decreased from 53–59 to 51–57-4%
  • BUFFDamage gain per level increased from 3.0 to 3.6?Base damage 33–39 → 23–29Damage at level 30: 154–160 → 175–181 (+13%), with all 7 Attribute Bonus levels, as Valve counts it+20%
  • BUFFDamage gain per level increased from +3.0 to +3.6+20%
  • BUFFDamage at level 30 increased by 21 (from 154-160 to 175-181)+13%
  • NERFBase Damage decreased by 10?Now it's 23. Before this patch it was changed in 7.37c (2 years 2 months ago)-30%
  • NERFDamage at level 1 decreased by 2 (from 53-59 to 51-57)-4%
  • DELZet has attuned to the New Frontiers and no longer has 'Tempest' versions of abilities

Facets

Order, Disorder

  • DELRemoved

Runed Replica

  • NEWNew facet
Active: Tempest Double
Tempest Double is infused with the bonuses of for 10s when created
Level 1 -
Level 2 - ,
Level 3 - , ,
Infusion duration
10s

Power Capture

  • NEWNew facet
Active: Magnetic Field
Once created, the field pulls all runes in its radius towards it with increasing speed. Any rune that's within Magnetic Field or is pulled into it is automatically activated. Rune pull radius: 1200/1800/2400/3000. Rune pull force: 150?Rune radius and speed values guarantee runes will always reach the field within the duration
Passive: Runic Infusion
Arc Warden gains +1.5 All Attributes permanently upon activating any ?Automatic Regeneration Rune effect from Arc Warden's Innate ability doesn't count
Rune pull radius
1200/1800/2400/3000
Rune pull force
150
All attributes
+1.5

Abilities

Flux

Flux

  • REWORKNow has the same effect for both Arc Warden and Tempest Double
Active
Infuses a lone enemy unit with swirling, volatile energy, dealing damage over time and slowing the target. The damage is not applied if another enemy unit is near the target.
Damage per secondMovement speed slow15/30/45/6015/22/30/39%20/45/70/955/8/11/14%?With the Disorder facet the two swapped: Arc Warden had the Tempest Double's values and the other way round
Cast range
500/600/700/800
Mana cost
75
Cooldown
16s
Damage per second
15/30/45/60
Movement speed slow
15/22/30/39%
Disorder damage per second
20/45/70/95
Disorder movement slow
5/8/11/14%
→
Active
Infuses a lone enemy unit with swirling, volatile energy, dealing damage over time and slowing the target. The damage is not applied if another enemy unit is near the target.
Damage per secondMovement speed slow15/30/45/6014/21/28/35%
Cast range
500/600/700/800
Mana cost
75
Cooldown
16s
Damage per second
15/30/45/60
Movement speed slow
14/21/28/35%
  • NEWAghanim's Scepter: Silences when the target is alone. Increases damage by 50% and duration by 2s
  • NEWAdded Aghanim's Scepter.
Spark Wraith: Causes Spark Wraiths to spawn a new Spark Wraith after impacting an enemy, which then starts its 2 second activation period. The new Spark Wraiths last 15 seconds and has a radius of 225.
Activation delay
2s
Wraith duration
15s
Wraith radius
225
→
Flux: Flux silences when the target is alone, deals more damage, and lasts longer.
Duration
8s
Damage per second
22.5/45/67.5/90
Magnetic Field

Magnetic Field

  • DELRemoved Aghanim's Shard.
  • REWORKNow is a Point Targeted ability with 900 cast range. Can be double tapped for self-cast to create the field centered on the caster
  • REWORKNow has the same effect for both Arc Warden and Tempest Double
Active
Arc Warden generates a circular distortion field of magnetic energy around themself.
100% evasion, 30/60/90/120 bonus attack speed
150 bonus attack range, 20/40/60/80 base attack damage?With the Disorder facet the two swapped: Arc Warden had the Tempest Double's values and the other way round
Radius
300
Cast range
900
Mana cost
50/70/90/110
Cooldown
20/19/18/17s
Evasion
100%
Bonus attack speed
30/60/90/120
Bonus attack range
150
Base attack damage
20/40/60/80
→
Active
Arc Warden generates a circular distortion field of magnetic energy. The magnetic field grants bonus attack speed and protects allied units within it by evading attacks coming from outside the field.
100% evasion, 30/60/90/120 bonus attack speed
Radius
300
Cast range
900
Mana cost
50/70/90/110
Cooldown
20/19/18/17s
Evasion
100%
Bonus attack speed
30/60/90/120
Spark Wraith

Spark Wraith

  • DELRemoved Aghanim's Scepter.
  • DELNo longer does 40% more damage to non-hero units
  • REWORKNow has the same effect for both Arc Warden and Tempest Double
Active
Summons a Spark Wraith that slowly materializes and patrols a targeted area until an enemy comes within its range. Once a target has been found the wraith fuses with them, dealing magical damage and slowing the unit. Non-hero units receive 40% more damage.
Activation delaySpeedSlow durationDamage2s4000.6/0.8/1/1.2s100/180/260/3401s7250.4/0.5/0.6/0.7s75/140/205/270?With the Disorder facet the two swapped: Arc Warden had the Tempest Double's values and the other way round
Radius
375
Cast range
2000
Mana cost
80
Cooldown
4s
Non-hero damage bonus
40%
Activation delay
2s
Wraith speed
400
Slow duration
0.6/0.8/1/1.2s
Damage
100/180/260/340
Disorder activation delay
1s
Disorder wraith speed
725
Disorder slow duration
0.4/0.5/0.6/0.7s
Disorder damage
75/140/205/270
→
Active
Summons a Spark Wraith that slowly materializes and patrols a targeted area until an enemy comes within its range. Once a target has been found the wraith fuses with them, dealing magical damage and slowing the unit.
Activation delaySpeedSlow durationDamage1.5s5500.5/0.6/0.7/0.8s100/170/240/310
Radius
375
Cast range
2000
Mana cost
80
Cooldown
4s
Activation delay
1.5s
Wraith speed
550
Slow duration
0.5/0.6/0.7/0.8s
Damage
100/170/240/310
  • NEWAghanim's Shard: When 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
  • NEWAdded Aghanim's Shard.
Magnetic Field: Magnetic Field slows enemies and enemy attack projectiles while they are in it. Also provides allies inside with increased attack projectile speed. Increases the radius by 75.
Radius
375
Attack projectile speed
75%
Movement slow
30%
Radius bonus
+75
→
Spark Wraith: When Spark Wraith activates, a secondary Spark Wraith will fuse to the next closest target that deals 80% damage. Increases Spark Wraith search radius to 475.
Second wraith damage
80%
Search radius
475
Tempest Double

Tempest Double

  • NEWNow spawns with Arc Warden's current health and mana
  • BUFFCooldown decreased from 100/90/80s to 60/55/50s-40%-39%-38%
  • NERFDuration decreased from 60s to 18/21/24s-70%-65%-60%
  • BUFFTempest Double no longer has penalties when more than 2000 range away from Arc Warden
  • BUFFNo longer restarts the ability cooldown if the Tempest Double is killed by enemies
  • NERFLoses its sense of self and fractures over time, becoming slower and less accurate. Max Miss Chance: 35%. Max Self Slow: 35%
  • REWORKAbility reworked
Active
Briefly refocusing its fractured elements into a single form, the Arc Warden is able to create a perfect electrical duplication of itself. The duplicate can use all of Arc Warden's current items and special Tempest Double versions of his spells, except most consumables and items that drop on death. The duplicate has separate item and ability cooldowns. If killed by the enemy, the Tempest Double gives bounty gold to enemies, and the ability's cooldown is restarted. The Tempest Double loses its sense of self if he is too far away from Arc Warden and takes more damage.
Cast range
700
Cooldown
100/90/80s
Bounty gold
180/240/300
Duration
60s
Penalty distance
2000
Bonus damage taken
60%
→
Active
Briefly refocusing its fractured elements into a single form, the Arc Warden is able to create a perfect electrical duplication of itself. The duplicate can use all of Arc Warden's current items and special Tempest Double versions of his spells, except most consumables and items that drop on death. The duplicate has separate item and ability cooldowns. The Tempest Double loses its sense of self and fractures over time, becoming slower and less accurate.
Cast range
700
Cooldown
60/55/50s
Bounty gold
180/240/300
Duration
18/21/24s
Max miss chance
35%
Max self slow
35%

Talents

  • SWAPLevel 15 Talent: +2s Flux Duration replaced with +20% Flux Slow
  • SWAPLevel 25 Talent: Flux silences when target is alone replaced with -1s Spark Wraith Activation Delay
  • BUFFLevel 15 Talent: Magnetic Field Attack Speed increased from +16 to +25+56%

Patch 7.37c28.08.2024+0.40 (0.40)

GENERAL

  • BUFFBase Damage increased by 2?Now it's 33. Before this patch it was changed in 7.31c (4 years 6 months ago)+6%

Patch 7.37b14.08.2024-0.07 (0.67)

Talents

  • BUFFLevel 20 Talent: Spark Wraith Damage increased from +35% to +40%+14%
  • NERFLevel 15 Talent: Magnetic Field Attack Speed/Bonus Damage decreased from +20 to +16-20%

Patch 7.3731.07.2024-0.55 (2.99)

Facets

Order

  • BUFFMovement Speed Slow increased from 14/21/28/35% to 15/22/30/39%+7%+5%+7%+11%
  • BUFFSlow Duration increased from 0.4/0.5/0.6/0.7s to 0.6/0.8/1.0/1.2s+50%+60%+67%+71%

Disorder

  • NERFMovement Speed Slow decreased from 6/10/14/18% to 5/8/11/14%-17%-20%-21%-22%
  • NERFSlow Duration decreased from 0.6/0.8/1.0/1.2s to 0.4/0.5/0.6/0.7s-33%-38%-40%-42%

Talents

  • SWAPLevel 25 Talent: Magnetic Field Affects Creeps and Buildings replaced with Flux Silences when target is alone