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DOTA 2 / HERO HISTORY

Abaddon changes

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

Change record

49 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

Abaddon in 7.41d

  • Base Attack Speed increased from 95 to 100
  • Withering MistHeal Reduction increased from 24.5% + 0.5% per level to 29.5% + 0.5% per level

May 6, 2026

Abaddon in 7.41c

  • Base Intelligence increased by 1
  • Damage at level 1 unchanged at 49-59
  • TalentsLevel 10 Talent Curse of Avernus DPS increased from +25 to +30

Mar 24, 2026

Abaddon in 7.41

  • TalentsLevel 10 Talent +10% Withering Mist Health Restoration Reduction replaced with +25 Curse of Avernus DPS
  • TalentsLevel 15 Talent +40 Curse of Avernus DPS replaced with -10s Borrowed Time Cooldown
  • Withering MistHealth Restoration Reduction changed from 35% to 24.5% + 0.5% per level
  • Withering MistNow also modifies incoming healing
  • Withering Mist · ContextAs a result of Health Restoration changes
  • Mist CoilDamage/Heal increased from 95/160/225/290 to 95/170/245/320
  • Borrowed TimeCooldown decreased from 90/85/80s to 85/75/65s

Dec 23, 2025

Abaddon in 7.40b

  • TalentsLevel 10 Talent Aphotic Shield HP Regen decreased from +10 to +8

Dec 15, 2025

Abaddon in 7.40

  • Base Strength decreased from 22 to 21
  • Base Agility decreased from 23 to 22
  • Damage at level 1 decreased by 1 (from 50–60 to 49–59)
  • The Quickening: Cooldown reduction on hero death decreased from 6s to 5s
  • Mist CoilCooldown increased from 6.5/6/5.5/5s to 8/7/6/5s
  • Mist CoilDamage/Heal increased from 80/150/220/290 to 95/160/225/290

Oct 2, 2025

Abaddon in 7.39e

  • Borrowed TimeCooldown increased from 90/80/70s to 90/85/80s

Aug 5, 2025

Abaddon in 7.39d

  • TalentsLevel 10 Talent Aphotic Shield provides HP Regen decreased from +12 to +10

May 22, 2025

Abaddon in 7.39

  • Malignant Mist · Mist CoilMist Coil also deals 40/60/80/100% attack damage and applies effects from items and abilities. Self damage when cast on an enemy is increased from 40% to 70%
  • Malignant Mist · Mist Coil · ContextSelf damage is not affected by attack damage. This is exactly how it was with the previous Aghanim's Shard effect
  • Removed Mephitic Shroud Facet
  • Withering MistInstead of reducing Healing, Health Regen, Lifesteal, and Spell Lifesteal by 35%, now reduces Health Restoration by 35%
  • Mist CoilNo longer upgraded with Aghanim's Shard
  • Aphotic ShieldNow upgraded with Aghanim's Shard
  • Aphotic ShieldDeals 75% of absorbed damage to nearby enemies

Mar 27, 2025

Abaddon in 7.38c

  • Mephitic Shroud · Aphotic ShieldCooldown increased from 14/12/10/8s to 15/13/11/9s
  • Base Armor decreased by 1
  • TalentsLevel 15 Talent Curse of Avernus DPS decreased from +50 to +40
  • TalentsLevel 25 Talent Curse of Avernus Attack Speed Bonus decreased from +80 to +65
  • Curse of AvernusNo longer deals damage to buildings

Mar 4, 2025

Abaddon in 7.38b

  • Mephitic Shroud · Aphotic ShieldDuration decreased from 17s to 14s
  • Base Mana Regen decreased from 0.25 to 0
  • Mist CoilDamage/Heal decreased from 100/175/250/325 to 80/150/220/290
  • Mist CoilCast Range rescaled from 600/625/650/675 to 625
  • Aphotic ShieldDuration decreased from 15s to 12s
  • Aphotic ShieldMana Cost increased from 95/110/125/140 to 110/120/130/140
  • Borrowed TimeAghanim's Scepter radius changed from 900 to Mist Coil's Cast Range

Feb 18, 2025

Abaddon in 7.38

  • Base Damage increased by 26
  • Base Intelligence decreased from 19 to 18
  • Damage at level 1 increased by 10 (from 40-50 to 50-60)
  • Strength gain increased from 2.2 to 2.6
  • Agility gain increased from 1.3 to 1.5
  • Intelligence gain increased from 1.6 to 2
  • Damage gain per level decreased from +3.6 to +2.7
  • Damage at level 30 decreased by 25 (from 173-183 to 148-158)
  • The Quickening: Cooldown reduction per hero death increased from 4s to 6s
  • TalentsLevel 10 Talent +15% Curse of Avernus Movement Slow replaced with +10% Withering Mist Healing Reduction

Aug 14, 2024

Abaddon in 7.37b

  • TalentsLevel 10 Talent Aphotic Shield HP Regeneration decreased from +15 to +12
  • TalentsLevel 15 Talent Mist Coil Heal/Damage decreased from +40 to +35
  • TalentsLevel 25 Talent Mist Coil AoE decreased from 400 to 350
  • Mist CoilMana Cost increased from 50 to 50/55/60/65
  • Curse of AvernusDPS increased from 10/20/30/40 to 15/25/35/45

Jul 31, 2024

Abaddon in 7.37

  • Font of Avernus: Ability removed
  • TalentsLevel 20 Talent Aphotic Shield Barrier Amount decreased from 100 to 80
  • Withering MistNew Innate ability. Passive, can't be leveled up
  • Withering MistDamaging enemies applies the Withering Mist debuff for 5s. Affected enemies have their HP regeneration, healing, lifesteal and spell lifesteal reduced by 35% if they are below 40% HP
  • Withering Mist · ContextThe debuff is always applied on the target but remains inactive if the target is above the health threshold
  • Borrowed TimeCooldown increased from 80/70/60s to 90/80/70s

Jun 24, 2024

Abaddon in 7.36c

  • TalentsLevel 10 Talent Curse of Avernus Movement Slow increased from +10% to +15%
  • TalentsLevel 20 Talent Borrowed Time Immolation DPS increased from 95 to 100
  • Borrowed TimeAghanim's Scepter Range decreased from 1200 to 900
  • Borrowed TimeAghanim's Scepter Damage Threshold increased from 525 to 550

May 26, 2024

Abaddon in 7.36a

  • Mephitic Shroud · Aphotic ShieldDamage Barrier decreased from 180/225/270/315 to 170/210/250/290
  • Mephitic Shroud · Aphotic ShieldAbsorbed amount to damage decreased from 80% to 75%
  • Curse of AvernusAttack Speed decreased from 15/30/45/60 to 10/20/30/40
  • Borrowed TimeAghanim's Scepter threshold damage is now reset after Mist Coil is fired

May 22, 2024

Abaddon in 7.36

  • Innate AbilityNew Innate ability. Passive, can't be leveled up
  • Innate AbilityAbaddon has a 10% faster respawn time
  • NO FACET TITLEEvery time a unit dies within 900 range of Abaddon, all of his cooldowns are reduced by 0.2s. Dying heroes reduce cooldowns by 4s
  • Mephitic Shroud · Aphotic ShieldDamage Barrier is increased by 50%, but no longer does a burst of damage on expiration. Whenever damage is dealt to the barrier, enemies within 675 range take damage equal to 80% of the absorption amount. Increases duration and cooldown by 2s at all levels
  • Base Damage decreased by 6
  • TalentsLevel 10 Talent Curse of Avernus Movement Slow decreased from +15% to +10%
  • TalentsLevel 15 Talent Curse of Avernus DPS decreased from +80 to +50
  • TalentsLevel 25 Talent -1 Curse of Avernus Attacks Required replaced with +80 Curse of Avernus Bonus Attack Speed
  • Curse of AvernusNo longer silences the target or has an attack counter
  • Curse of AvernusNow the full effect is applied on the first attack. Each hit resets the duration
  • Curse of AvernusBonus Attack Speed decreased from 60/80/100/120 to 15/30/45/60
  • Curse of AvernusMovement Slow rescaled from 15/30/45/60% to 10/15/20/25%
  • Curse of AvernusDamage per Second decreased from 20/30/40/50 to 10/20/30/40
  • Curse of AvernusDuration decreased from 4s to 2s
  • Curse of AvernusAghanim's Shard no longer improves slow

Feb 21, 2024

Abaddon in 7.35c

  • Borrowed TimeCooldown increased from 70/60/50s to 80/70/60s

Dec 21, 2023

Abaddon in 7.35b

  • Curse of AvernusCurse Duration decreased from 4.5s to 4.0s
  • Curse of AvernusCurse DPS decreased from 30/40/50/60 to 20/30/40/50

Dec 14, 2023

Abaddon in 7.35

  • Base Armor increased by 1
  • TalentsLevel 10 Talent +7 Strength replaced with Aphotic Shield provides +15 HP Regen
  • TalentsLevel 15 Talent +55 Damage replaced with +80 Curse of Avernus DPS
  • Curse of AvernusNow deals 30/40/50/60 damage per second to the target when it procs for the duration of the curse. Damage interval: 0.5s. Damage to buildings is reduced by 70%

Oct 4, 2023

Abaddon in 7.34d

  • Base Intelligence increased from 18 to 19
  • Intelligence gain increased from 1.2 to 1.6
  • Aphotic ShieldDamage Barrier increased from 110/140/170/200 to 120/150/180/210

Sep 8, 2023

Abaddon in 7.34c

  • TalentsLevel 20 Talent Borrowed Time Immolation DPS increased from 85 to 95
  • Mist CoilCast Range increased from 600 to 600/625/650/675
  • Curse of AvernusCurse Attack Speed increased from 40/60/80/100 to 60/80/100/120

Aug 14, 2023

Abaddon in 7.34b

  • Mist CoilSelf Damage decreased from 50% to 40%
  • Mist CoilDamage/Heal increased from 90/160/230/300 to 100/175/250/325
  • Mist CoilCast Range increased from 575 to 600

Aug 8, 2023

Abaddon in 7.34

  • Mist CoilCooldown rescaled from 5.5s to 6.5/6/5.5/5s
  • Mist CoilDamage/Heal rescaled from 110/160/210/260 to 90/160/230/300

Jun 15, 2023

Abaddon in 7.33d

  • Base Attack Speed decreased from 120 to 95
  • TalentsLevel 10 Talent Strength decreased from +8 to +7
  • TalentsLevel 15 Talent Damage decreased from +65 to +55
  • TalentsLevel 15 Talent Mist Coil Heal/Damage decreased from +50 to +40
  • Aphotic ShieldMana Cost increased from 85/100/115/130 to 95/110/125/140
  • Curse of AvernusAghanim's Shard Bonus Basic Slow decreased from +10% to +5%

May 13, 2023

Abaddon in 7.33c

  • Base Damage decreased by 7 (Level 1 damage unchanged)

Apr 20, 2023

Abaddon in 7.33

  • Now is a Universal Hero
  • Base Damage decreased from 28-38 to 9-19
  • Strength gain decreased from 2.6 to 2.2
  • Agility gain decreased from 1.5 to 1.3
  • Intelligence gain decreased from 2.0 to 1.2
  • Damage on level 1 decreased by 4 (from 50-60 to 46-56)
  • Damage gain per level increased from +2.6 to +2.82
  • TalentsLevel 20 Talent -8s Borrowed Time Cooldown replaced with 85 DPS Borrowed Time Immolation (400 Radius effect while Borrowed Time is active; damages both Abaddon and enemies)
  • Aphotic ShieldNow considered a damage barrier. Stacks additively with other damage barriers
  • Borrowed TimeCooldown increased from 60/50/40s to 70/60/50s

Aug 23, 2022

Abaddon in 7.32

  • TalentsLevel 10 Talent +15 Movement Speed replaced with +15% Curse of Avernus Movement Slow
  • Aphotic ShieldMana Cost decreased from 100/110/120/130 to 85/100/115/130
  • Borrowed TimeScepter radius decreased from 1600 to 1200

Feb 23, 2022

Abaddon in 7.31

  • Strength gain reduced from 2.8 to 2.6
  • Base Mana Regen increased from 0 to 0.25
  • Reworked Shard. Causes Mist Coil to deal Abaddon's attack damage on impact (applying on hit effects) and increases Curse of Avernus base slow by 10%
  • TalentsLevel 15 Talent +55 Mist Coil heal/damage reduced to +50
  • TalentsLevel 25 Talent 500 AoE Mist Coil reduced to 400

Sep 10, 2021

Abaddon in 7.30c

  • TalentsLevel 20 talent from +9 Armor to: -8s Borrowed Time Cooldown

Aug 17, 2021

Abaddon in 7.30

  • Strength changed from 23 + 3.0 to 22 + 2.8
  • TalentsLevel 20 Talent -15% Cooldown Reduction replaced with +100 Aphotic Shield Health
  • TalentsLevel 25 Talent +180 Aphotic Shield Health replaced with -1 Curse of Avernus Attacks Required
  • Aphotic ShieldCast Range increased from 500 to 550

Apr 9, 2021

Abaddon in 7.29

  • Base health regen increased from 0.5 to 1
  • Shard upgrade now also reduces Mist Coil and Aphotic Shield cooldowns by 1 second.
  • TalentsLevel 15 Talent increased from +50 Mist Coil Heal/Damage to +55
  • TalentsLevel 20 Talent increased from +8 Armor to +9
  • TalentsLevel 25 Talent increased from 425 AoE Mist Coil to 500
  • Mist CoilBackswing reduced from 0.67 to 0.4
  • Mist CoilHeal/damage rescaled from 120/165/210/255 to 110/160/210/260
  • Mist CoilSelf damage is now 50% of the values instead of fixed numbers
  • Aphotic ShieldBackswing reduced from 0.5 to 0.33
  • Aphotic ShieldMana cost increased from 100/105/110/115 to 100/110/120/130
  • Borrowed TimeScepter duration increased from 6/7/8 to 7/8/9

Jan 10, 2021

Abaddon in 7.28b

  • Curse of AvernusShard slow increase from +6% to +10%

Jul 15, 2020

Abaddon in 7.27b

  • Base health regen increased from 0 to 0.5
  • TalentsLevel 20 Talent increased from +70 Damage to +80
  • TalentsLevel 25 Talent increased from 340 AoE Mist Coil to 375
  • Mist CoilCast range increased from 500 to 575

Mar 17, 2020

Abaddon in 7.25

  • TalentsLevel 25 Talent increased from 375 AoE Mist Coil to 425

Jan 26, 2020

Abaddon in 7.24

  • Base damage reduced by 2
  • Mist CoilCooldown increased from 4.5 to 5.5

Dec 6, 2019

Abaddon in 7.23c

  • Base intelligence reduced by 3
  • Base damage reduced by 2

Jul 28, 2019

Abaddon in 7.22f

  • Base attack speed increased from 115 to 120
  • Base armor increased by 1

Jul 14, 2019

Abaddon in 7.22e

  • Curse of AvernusInitial debuff increased from 4 to 5 seconds

May 24, 2019

Abaddon in 7.22

  • Base attack speed increased from 100 to 115
  • Reworked Scepter upgrade. While Borrowed Time is active, anytime an ally takes more than 525 damage while within 1600 range of Abaddon, an individual Mist Coil will automatically fire towards that ally. (Scepter still increases duration by 1)
  • TalentsLevel 15 Talent reduced from +75 Mist Coil Heal/Damage to +60
  • Mist CoilCast range reduced from 800 to 500

Mar 2, 2019

Abaddon in 7.21c

  • Mist CoilDamage/heal increased from 100/150/200/250 to 120/165/210/255

Jan 29, 2019

Abaddon in 7.21

  • Curse of AvernusCurse duration increased from 4 to 4.5
  • Aphotic ShieldManacost reduced from 115 to 100/105/110/115

Nov 19, 2018

Abaddon in 7.20

  • Base movement speed increased from 310 to 325
  • Base agility increased by 6
  • TalentsLevel 25 Talent changed from Curse of Avernus to +375 AoE Mist Coil
  • Mist CoilProjectile speed reduced from 1600 to 1300
  • Curse of AvernusReworked

Jul 29, 2018

Abaddon in 7.19

  • Mist CoilManacost reduced from 50/60/70/80 to 50

Jun 10, 2018

Abaddon in 7.17

  • TalentsLevel 10 Talent increased from +20% XP to +25%
  • TalentsLevel 15 Talent increased from +60 Mist Coil Heal/Damage to +75
  • TalentsLevel 15 Talent increased from +6 Armor to +8

Mar 1, 2018

Abaddon in 7.10

  • Talent: Level 15 Talent increased from +50 Mist Coil Heal/Damage to +60
  • Talent: Level 20 Talent increased from +15% Cooldown Reduction to +20%
  • Talent: Level 25 Talent reduced from +250 Aphotic Shield Health to +225

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