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Underlord changes

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

Change record

40 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

Sep 15, 2026

Underlord in 7.41f

  • Pit of MaliceNo longer upgraded with Aghanim's Scepter
  • Fiend's GateAghanim's Scepter Cooldown decreased from 100/95/90s to 90/85/80s

Mar 24, 2026

Underlord in 7.41

  • TalentsLevel 15 Talent Firestorm Cooldown Reduction increased from 4s to 5s
  • TalentsLevel 25 Talent Fiend's Gate DPS increased from 125 to 160
  • Invading ForceNo longer levels with Fiend's Gate
  • Invading ForceDamage Reduction rescaled from 4/6/8/10% to 3.7% + 0.3% per level
  • Invading ForceMovement Speed bonus rescaled from 11/14/17/20% to 9.5% + 0.5% per level
  • FirestormWave Damage increased from 30/50/70/90 to 30/55/80/105
  • Atrophy AuraDamage Reduction increased from 6/14/22/30% to 8/16/24/32%

Dec 23, 2025

Underlord in 7.40b

  • TalentsLevel 15 Talent Firestorm Cooldown Reduction increased from 3s to 4s

Dec 15, 2025

Underlord in 7.40

  • Strength gain increased from 3.0 to 3.2
  • Base Intelligence increased from 17 to 18
  • TalentsLevel 15 Talent Pit of Malice Slow decreased from +25% to +20%
  • TalentsLevel 25 Talent Fiend's Gate DPS increased from 100 to 125
  • FirestormCast Range increased from 600/625/650/675 to 675

Jun 24, 2025

Underlord in 7.39c

  • Invading ForceMovement speed bonus increased from 5/10/15/20% to 11/14/17/20%

May 22, 2025

Underlord in 7.39

  • Demon's Reach · Atrophy AuraNo longer loses cleave on death
  • Abyssal HordeDemonic Warrior damage type changed from Default to Runty
  • Abyssal Horde · ContextRunty units deal 25% less attack damage against heroes
  • Abyssal HordeDemonic Archer damage type changed from Default to Piercing
  • Abyssal Horde · ContextPiercing units deal 50% more attack damage against non-hero units, but also deal 50% less damage to heroes and heavy units (buildings and siege creeps)

Feb 18, 2025

Underlord in 7.38

  • TalentsLevel 10 Talent +60 Firestorm Radius replaced with +15s Atrophy Aura Duration
  • TalentsLevel 20 Talent Firestorm Burn Damage decreased from +0.8% to +0.6%
  • TalentsLevel 25 Talent Pit of Malice Root decreased from +0.5s to +0.4s

Oct 1, 2024

Underlord in 7.37d

  • Abyssal HordeWarrior Damage rescaled from 18/32/46 to 20/30/40
  • Abyssal HordeWarrior Last Will DMG decreased from 300/400/500 to 200/300/400
  • Atrophy AuraDuration decreased from 35/45/55/65s to 30/40/50/60s

Jul 31, 2024

Underlord in 7.37

  • TalentsLevel 10 Talent Firestorm Radius decreased from +75 to +60
  • TalentsLevel 10 Talent +10% Fiend's Gate Movement Bonus/Damage Reduction replaced with +5% Invading Force Movement Bonus/Damage Reduction
  • TalentsLevel 15 Talent Pit of Malice Slow decreased from +30% to +25%
  • TalentsLevel 25 Talent Pit of Malice Root decreased from +0.65s to +0.5s
  • Invading ForceNew innate ability. Scales with Fiend's Gate
  • Invading ForceAfter an allied hero teleports, they temporarily gain damage reduction and movement speed. Bonuses are doubled when teleporting via Fiend's Gate. Damage Reduction: 4/6/8/10%. Bonus Move Speed: 5/10/15/20%. Buff Duration: 5s
  • Atrophy AuraNo longer an innate ability
  • Atrophy AuraDamage Reduction rescaled from 0/6/14/22/30% to 6/14/22/30%
  • Atrophy AuraBonus Damage per creep rescaled from 1/3/5/7/9 to 2/4/6/8
  • Atrophy AuraBonus Damage per hero rescaled from 25/30/35/40/45 to 30/35/40/45
  • Atrophy AuraDuration rescaled from 25/35/45/55/65s to 35/45/55/65s
  • Fiend's GateNo longer provides a buff after passing through the portal by default (moved to Invading Force innate ability)

Jun 24, 2024

Underlord in 7.36c

  • Abyssal HordeWarrior Damage decreased from 20/35/50 to 18/32/46
  • Abyssal HordeArcher Damage decreased from 30/45/60 to 25/40/55
  • Fiend's GateCooldown increased from 110/100/90s to 110/105/100s
  • Fiend's GateBuff Duration decreased from 5/6/7s to 5s

Jun 6, 2024

Underlord in 7.36b

  • Abyssal HordeArcher Aura Move Speed decreased from 5/7/9% to 5%
  • Fiend's GateAghanim's Scepter Cooldown Reduction decreased from 20s to 10s

May 22, 2024

Underlord in 7.36

  • Innate Ability · Atrophy AuraNow is an Innate ability. Passive, can be leveled up with skill points
  • Innate Ability · Atrophy AuraDamage Reduction rescaled from 6/14/22/30% to 0/6/14/22/30%
  • Innate Ability · Atrophy AuraBonus Damage per creep rescaled from 3/5/7/9 to 1/3/5/7/9
  • Innate Ability · Atrophy AuraBonus Damage per hero rescaled from 30/35/40/45 to 25/30/35/40/45
  • Innate Ability · Atrophy AuraDuration rescaled from 35/45/55/65s to 25/35/45/55/65s
  • Demon's Reach · Atrophy AuraWhen Underlord has bonus damage from Atrophy Aura, his attacks start cleaving, dealing 35% damage. The cleave distance is equal to 100 + 5 per each point of bonus damage
  • Abyssal Horde · Fiend's GateWhenever Underlord teleports with Fiend's Gate, he will bring forth uncontrollable Warriors and Archers to fight for him. The first underlings are summoned together for the closest visible enemy unit within 1200 range from the Gate Underlord teleported to, then they are summoned one by one in 2s intervals. All summons die once the Gates close. Summons level depends on the level of Fiend's Gate.
  • Abyssal Horde · Fiend's Gate · ContextWhen the pair of underlings appear, they target the enemy they were summoned for. When that unit dies, summons will not disappear and attack the closest enemy on the map. Underlings can't be summoned for buildings in the area, however they might attack them once all other units are killed.
  • Abyssal Horde · Fiend's GateWarrior has 400/600/800 health and 20/35/50 attack damage. Burns 10/20/30 mana on every hit, and deals 300/400/500 magical damage to whoever kills it. Gold and Experience Bounty: 20/30/40
  • Abyssal Horde · Fiend's GateArcher has 400/600/800 health and 30/45/60 attack damage. Has a passive aura that increases movement speed by 5/7/9%. Gold and Experience Bounty: 20/30/40
  • TalentsLevel 10 Talent +5 Armor replaced with +10% Fiend's Gate Movement Bonus/Damage Reduction
  • TalentsLevel 20 Talent +15% Atrophy Aura Attack Damage Reduction replaced with +10% Atrophy Aura Damage Reduction/Gain
  • TalentsLevel 25 Talent +50% Atrophy Allied Hero Bonus replaced with Fiend's Gates deal 100 DPS in a 700 radius
  • Pit of MaliceRoot Duration increased from 1.2/1.4/1.6/1.8s to 1.5/1.6/1.7/1.8s
  • Pit of MaliceMana Cost increased from 80/100/120/140 to 110/120/130/140
  • Pit of MaliceCooldown increased from 21/19/17/15s to 30/25/20/15s
  • Fiend's GateCast Point decreased from 0.2s to 0.0s
  • Fiend's GateMinimum Distance decreased from 2000 to 1500
  • Fiend's GateAghanim's Scepter now also reduces Cooldown by 20 seconds

Mar 21, 2024

Underlord in 7.35d

  • TalentsLevel 15 Talent +75 Pit of Malice AoE replaced with Pit of Malice Slows by 30%
  • Pit of MaliceAghanim's Scepter no longer slows enemy movement by 40%
  • Pit of MaliceAghanim's Scepter now increases radius by 100
  • Atrophy AuraBonus Damage per creep increased from 2/4/6/8 to 3/5/7/9

Dec 14, 2023

Underlord in 7.35

  • Pit of MaliceNow deals 20/30/40/50 damage upon rooting a unit
  • Pit of MaliceCast Point improved from 0.35s to 0.25s
  • Fiend's GateCast Point improved from 0.45s to 0.2s

Aug 8, 2023

Underlord in 7.34

  • TalentsLevel 20 Talent Firestorm Burn Damage decreased from +1% to +0.8%
  • FirestormCooldown increased from 15/14/13/12s to 16/15/14/13s
  • FirestormAghanim's Shard now allows targeting allies
  • Pit of MaliceCast Point improved from 0.45s to 0.35s

May 13, 2023

Underlord in 7.33c

  • TalentsLevel 10 Talent Firestorm Radius decreased from +100 to +75
  • TalentsLevel 15 Talent Firestorm Cooldown Reduction decreased from 4s to 3s
  • Fiend's GateMana Cost increased from 100 to 200

Apr 25, 2023

Underlord in 7.33b

  • Atrophy AuraDamage Reduction rescaled from 5/15/25/35% to 6/14/22/30%
  • Fiend's GateChannel Time increased from 3s to 3.5s

Apr 20, 2023

Underlord in 7.33

  • FirestormMana Cost increased from 110/120/130/140 to 110/125/140/155
  • Atrophy AuraDuration rescaled from 30/45/60/75s to 35/45/55/65s
  • Fiend's GateCooldown decreased from 120/110/100s to 110/100/90s

Aug 30, 2022

Underlord in 7.32b

  • FirestormWave Damage increased from 25/40/55/70 to 30/50/70/90

Aug 23, 2022

Underlord in 7.32

  • FirestormMax Health Burn Damage rescaled from 1/2/3/4% to 1.5/2/2.5/3%
  • FirestormCooldown increased from 12s to 15/14/13/12s
  • Fiend's GateCooldown decreased from 140/120/100 to 120/110/100
  • Fiend's GateIncoming damage reduction increased from 10/20/30% to 14/22/30%

Feb 23, 2022

Underlord in 7.31

  • Removed Dark Rift
  • FirestormShard No longer reduces cast point
  • FirestormShard Now also reduces Wave and Burn intervals and duration by 25%
  • Fiend's GateNow Underlord's Ultimate. Opens 2 portals, one next to Underlord and one in the target location with global range. The destination portal has to be at least 2000 units away from Underlord. Heroes can channel a portal for 3 seconds to teleport to the other side. Allies that pass through the portal temporarily gain 10/20/30% damage reduction and 10/20/30% movement speed for 5/6/7s. Casting Fiend's Gate will cause Underlord to immediately start teleporting. Mana cost: 100 Cooldown: 140/120/100
  • Fiend's GateReworked Scepter: Fiend's Gate spawns a Pit of Malice under both portals. Pit of Malice slows enemies by 40%

Sep 10, 2021

Underlord in 7.30c

  • TalentsLevel 10 Talent +125 Firestorm Radius reduced to +100
  • TalentsLevel 20 Talent +12% Atrophy Aura Damage Reduction increased to 15%
  • Fiend's GateCooldown reduced from 130 to 110

Aug 17, 2021

Underlord in 7.30

  • Base Movement speed reduced from 295 to 290
  • TalentsLevel 20 Talent +60 Attack Speed replaced with +1% Firestorm Burn Damage
  • TalentsLevel 20 Talent +20 Health Regen replaced with +12% Atrophy Aura Damage Reduction
  • TalentsLevel 25 Talent increased from +40% Allies Atrophy Aura to +50%
  • FirestormMana cost increased from 100/110/120/130 to 110/120/130/140
  • Fiend's GateReworked Scepter: Grants a new ability Fiend's Gate. Cast within 4000 range to create a Portal next to Underlord and a Portal at the target location. Allies can click on either Portal to teleport to the other one after a 2s channel. Portals are indestructible, last 20 seconds, and can only be cast in locations where Wards can be placed

Apr 9, 2021

Underlord in 7.29

  • Attack range increased from 175 to 200
  • Dark Rift Scepter now also increases radius from 600 to 900
  • Dark Rift Scepter no longer reduces cooldown
  • Dark Rift Scepter now causes it to have two charges
  • TalentsLevel 10 Talent changed from +2 Firestorm Wave Count to +125 Firestorm Radius
  • TalentsLevel 20 Talent increased from +50 Attack Speed to +60
  • TalentsLevel 25 Talent changed from 15% Firestorm Building Damage to 40% Atrophy Allied Hero Bonus
  • FirestormRadius rescaled from 400/430/460/490 to 425
  • FirestormShard no longer provides healing
  • FirestormShard now also increases the Firestorm wave count by 3

Aug 26, 2020

Underlord in 7.27d

  • TalentsLevel 15 Talent increased from -3s Firestorm Cooldown to -4s
  • FirestormCast range reduced from 675 to 600/625/650/675
  • Pit of MaliceCooldown increased from 18/17/16/15 to 21/19/17/15
  • Pit of MaliceDisable duration increased from 0.9/1.2/1.5/1.8 to 1.2/1.4/1.6/1.8
  • Atrophy AuraCreep bonus changed from 4/5/6/7 to 2/4/6/8

Jul 17, 2020

Underlord in 7.27c

  • TalentsLevel 15 Talent reduced from +100 Pit of Malice AoE to +75
  • TalentsLevel 25 Talent reduced from +20% Firestorm Building Damage to +15%
  • Atrophy AuraRadius reduced from 1200 to 900
  • Pit of MaliceCast range reduced from 750 to 675
  • FirestormCast range reduced from 750 to 675

Jul 15, 2020

Underlord in 7.27b

  • Attack range increased from 150 to 175
  • TalentsLevel 10 Talent changed from +20 Movement Speed to +5 Armor
  • TalentsLevel 10 Talent changed from +14 Firestorm Wave Damage to +12% Magic Resistance
  • TalentsLevel 15 Talent changed from +5 Atrophy Permanent Bonus Damage to -3s Firestorm Cooldown
  • TalentsLevel 15 Talent changed from +175 Cast Range to +100 Pit of Malice AoE
  • Atrophy AuraNo longer provides permanent bonus damage
  • Atrophy AuraCreep death damage rescaled from 5 to 4/5/6/7
  • Atrophy AuraDamage duration increased from 30/40/50/60 to 30/45/60/75
  • FirestormCast point reduced from 0.6 to 0.5
  • FirestormAoE increased from 400 to 400/430/460/490
  • FirestormDebuff no longer ignores Ancients (still ignores Roshan)
  • Pit of MaliceCooldown reduced from 22/20/18/16 to 18/17/16/15

May 2, 2020

Underlord in 7.26c

  • Strength gain reduced from 3.3 to 3.0
  • TalentsLevel 10 Talent reduced from +25 Movement Speed to +20
  • TalentsLevel 15 Talent increased from +150 Cast Range to +175

Jan 26, 2020

Underlord in 7.24

  • TalentsLevel 15 Talent reduced from +7 Atrophy Permanent Damage to +6
  • TalentsLevel 15 Talent increased from +150 Cast Range to +200
  • TalentsLevel 20 Talent reduced from +70 Attack Speed to +60

Jul 28, 2019

Underlord in 7.22f

  • Dark Rift cooldown reduced from 130/120/110 to 130/115/100
  • Pit of MaliceCooldown reduced from 24/22/20/18 to 22/20/18/16

Jul 14, 2019

Underlord in 7.22e

  • Pit of MaliceManacost reduced from 100/115/130/145 to 80/100/120/140
  • Pit of MaliceCooldown reduced from 30/26/22/18 to 24/22/20/18

Jun 30, 2019

Underlord in 7.22d

  • TalentsLevel 10 Talent changed from +25 Movement Speed to +30
  • TalentsLevel 15 Talent increased from +100 Cast Range to +125
  • TalentsLevel 15 Talent changed from +15 Atrophy Attack Bonus Damage From Heroes to +7 Atrophy Permanent Bonus Damage
  • Pit of MaliceAoE increased from 390 to 400

May 24, 2019

Underlord in 7.22

  • Pit of MaliceRadius increased from 375 to 390
  • Pit of MaliceCooldown reduced from 32/28/24/20 to 30/26/22/18

Nov 19, 2018

Underlord in 7.20

  • Atrophy AuraNow provides a permanent +2/3/4/5 bonus damage when a hero dies under the aura

Apr 24, 2018

Underlord in 7.14

  • Dark Rift manacost from 75/150/225 to 100/200/300
  • FirestormOvertime percentage based damage no longer affects Roshan/Ancients

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