Arc Warden
Historical Balance Tracker & Intelligence
Balance History
Patch 7.41dNet Gain
6/22/2026Flux: Cast Range increased from 500/600/700/800 to 625/700/775/850
Flux: Movement Speed Slow increased from 14/21/28/35% to 20/25/30/35%
Patch 7.41cNet Gain
5/6/2026Base Agility increased from 20 to 22
Damage at level 1 increased from 51-57 to 52-58
4/7/2026
Talents: Level 20 Talent Magnetic Field Cooldown Reduction decreased from 5s to 4s
Talents: Level 20 Talent +200 Spark Wraith Damage replaced with +30s Spark Wraith Duration
Talents: Level 25 Talent +30s Spark Wraith Duration replaced with +240 Spark Wraith Damage
Talents: Level 25 Talent Runic Infusion All Attributes Bonus decreased from +1.5 to +1
3/27/2026
No hero-specific updates in this patch.
3/24/2026
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
Runic Infusion: No longer grants the Regeneration Rune buff upon activating any rune
Runic Infusion: Now provides Arc Warden with +1.5 all attributes permanently whenever Arc Warden or the Tempest Double activates a Power Rune
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
Spark Wraith: Slow Duration increased from 0.5/0.6/0.7/0.8s to 0.7/0.8/0.9/1s
Spark Wraith: No longer upgraded with Aghanim's Shard
Tempest Double: Gold and XP Bounty rescaled from 180/240/300 to 70 + 10 per level
Tempest Double: Now upgraded with Aghanim's Shard
Tempest Double: The Tempest Double is infused with the bonuses of Arcane, Invisibility, and Haste Runes for 12s. These bonuses don't provide Runic Infusion stacks
Talents: Level 20 Talent +50% Spark Wraith Damage replaced with +200 Spark Wraith Damage
Talents: Level 25 Talent -1.1s Spark Wraith Activation Delay replaced with +30s Spark Wraith Duration
Talents: Level 25 Talent Tempest Double Has No Penalties replaced with +1.5 Runic Infusion All Attributes Bonus (applies retroactively)
1/22/2026
No hero-specific updates in this patch.
12/23/2025
No hero-specific updates in this patch.
12/16/2025
Base attack speed increased from 100 to 110
Magnetic Field: Mana Cost rescaled from 50/70/90/110 to 60/70/80/90
10/2/2025
No hero-specific updates in this patch.
6/12/2026
No hero-specific updates in this patch.
6/24/2025
No hero-specific updates in this patch.
5/29/2025
No hero-specific updates in this patch.
6/12/2026
Talents: Level 20 Talent Magnetic Field Cooldown Reduction decreased from 7s to 5s
Talents: Level 20 Talent Spark Wraith Damage increased from +40% to +50%
Talents: Level 25 Talent Spark Wraith Activation Delay Reduction increased from 1s to 1.1s
3/27/2025
No hero-specific updates in this patch.
3/4/2025
No hero-specific updates in this patch.
Patch 7.38Net Gain
2/19/2025Is 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
Flux: Now has the same effect for both Arc Warden and Tempest Double
Flux: Deals 15/30/45/60 damage per second and slows target's movement speed by 14/21/28/35%
Flux: Now upgraded with Aghanim's Scepter
Flux: Silences when the target is alone. Increases damage by 50% and duration by 2s
Magnetic Field: Now 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 Field: Now has the same effect for both Arc Warden and Tempest Double
Magnetic Field: Creates a circular distortion field that grants 100% evasion and 30/60/90/120 bonus attack speed to all allied units within
Magnetic Field: No longer upgraded with Aghanim's Shard
Spark Wraith: Now has the same effect for both Arc Warden and Tempest Double
Spark Wraith: Spark 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: No longer does 40% more damage to non-hero units
Spark Wraith: No longer upgraded with Aghanim's Scepter
Spark Wraith: Now upgraded with Aghanim's Shard
Spark Wraith: 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
Tempest Double: Cooldown decreased from 100/90/80s to 60/55/50s
Tempest Double: Duration decreased from 60s to 18/21/24s
Tempest Double: Now spawns with Arc Warden's current health and mana
Tempest Double: Tempest Double no longer has penalties when more than 2000 range away from Arc Warden
Tempest Double: No longer restarts the ability cooldown if the Tempest Double is killed by enemies
Tempest Double: Loses its sense of self and fractures over time, becoming slower and less accurate. Max Miss Chance: 35%. Max Self Slow: 35%
Talents: Level 15 Talent Magnetic Field Attack Speed increased from +16 to +25
Talents: Level 15 Talent +2s Flux Duration replaced with +20% Flux Slow
Talents: Level 25 Talent Flux silences when target is alone replaced with -1s Spark Wraith Activation Delay
11/20/2024
No hero-specific updates in this patch.
10/3/2024
No hero-specific updates in this patch.
8/28/2024
Base Damage increased by 2
8/14/2024
Talents: Level 15 Talent Magnetic Field Attack Speed/Bonus Damage decreased from +20 to +16
Talents: Level 20 Talent Spark Wraith Damage increased from +35% to +40%
7/31/2024
Talents: Level 25 Talent Magnetic Field Affects Creeps and Buildings replaced with Flux Silences when target is alone
6/25/2024
No hero-specific updates in this patch.
6/6/2024
Talents: Level 10 Talent Flux Cast Range increased from +175 to +200
Talents: Level 15 Talent Flux Duration increased from +1.5s to +2.0s
5/27/2024
Tempest Double: Penalty Increased Damage decreased from 75% to 60%
Patch 7.36Net Gain
5/23/2024Ability effects no longer depend on the side Arc Warden plays for
Magnetic Field: Is now a No Target ability, creating the field centered around its caster
Magnetic Field: No longer affects buildings and creeps by default
Magnetic Field: Now always pushes all enemies away from the bubble when created, even without Aghanim's Shard
Magnetic Field: Aghanim's Shard no longer provides Magic Resistance
Magnetic Field: Aghanim'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 Double: Duration increased from 18/22/26s to 60s
Tempest Double: Distance Penalty now increases incoming damage by 75% instead of reducing outgoing damage by 50%
Tempest Double: Cooldown increased from 70/60/50s to 100/90/80s
Tempest Double: Now restarts the ability cooldown if the Tempest Double is killed by enemies
Talents: Level 25 Talent +10s Tempest Double Duration replaced with Magnetic Field affects Buildings and Creeps
3/21/2024
Talents: Level 10 Talent Health decreased from +250 to +200
Talents: Level 20 Talent Magnetic Field Cooldown Reduction decreased from 8s to 7s
2/22/2024
Base Strength decreased from 22 to 20
Strength gain decreased from 2.6 to 2.4
Spark Wraith: Duration decreased from 45s to 16s
12/21/2023
No hero-specific updates in this patch.
6/12/2026
Talents: Level 15 Talent Magnetic Field Attack Speed/Bonus Damage decreased from +25 to +20
Talents: Level 25 Talent Tempest Double Duration decreased from +12s to +10s
11/21/2023
No hero-specific updates in this patch.
Patch 7.34dNet Gain
10/5/2023Spark Wraith: Now deals 40% more damage to non-hero units
Tempest Double: Now can be self-cast to spawn the Double next to Arc Warden
Patch 7.34cNet Gain
9/9/2023Spark Wraith: Tempest Damage increased from 75/135/195/255 to 75/140/205/270
Tempest Double: The Double now always spawns with full health and mana
Patch 7.34bNet Gain
8/15/2023Base Armor increased by 1
Magnetic Field: Cooldown decreased from 20s to 20/19/18/17s
8/8/2023
Magnetic Field: Tempest version no longer provides a magical attack bonus
Magnetic Field: Tempest version now provides 20/40/60/80 base bonus attack damage
Tempest Double: Is now a point targeted ability with 700 cast range that spawns the Tempest Double in the pointed area
Talents: Level 10 Talent Health increased from +200 to +250
Talents: Level 15 Talent +30 Magnetic Field Attack Speed/Bonus Magic Damage replaced with +25 Magnetic Field Attack Speed/Bonus Damage
Talents: Level 20 Talent Magnetic Field Cooldown Reduction decreased from 9s to 8s
7/13/2023
No hero-specific updates in this patch.
6/16/2023
Tempest Double: Cooldown increased from 56/48/40s to 70/60/50s
Talents: Level 15 Talent Magnetic Field Attack Speed/Bonus Magic Damage decreased from +40 to +30
Talents: Level 15 Talent Flux Duration decreased from +2s to +1.5s
5/14/2023
No hero-specific updates in this patch.
4/26/2023
No hero-specific updates in this patch.
6/13/2026
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
Flux: Tempest 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 Field: Tempest 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 Wraith: Tempest 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 Double: Cooldown decreased from 60/50/40s to 56/48/40s
Talents: Level 15 Talent +40 Magnetic Field Attack Speed also grants to +40 Magnetic Field Magic Damage (Tempest Version)
Talents: Level 20 Talent +40 Flux Damage replaced with -9s Magnetic Field Cooldown
Talents: Level 20 Talent +125 Spark Wraith Damage replaced with +35% Spark Wraith Damage
Talents: Level 25 Talent 40% Tempest Double Cooldown Reduction replaced with No Damage Penalty Distance for Tempest Double