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DOTA 2 / HERO HISTORY

Silencer changes

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

Change record

46 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

Apr 7, 2026

Silencer in 7.41b

  • TalentsLevel 15 Talent Global Silence Cooldown Reduction decreased from 20s to 15s

Mar 24, 2026

Silencer in 7.41

  • Base Movement Speed increased from 290 to 300
  • Reworked Brain Drain ability into a new innate
  • TalentsLevel 10 Talent +0.25 Arcane Curse Silenced Multiplier replaced with +7% Suffer In Silence Damage
  • TalentsLevel 25 Talent Glaives of Wisdom Damage increased from +25% to +30%
  • TalentsLevel 25 Talent 2 Arcane Curse charges replaced with +2s Global Silence Duration
  • Suffer In SilenceNew innate ability. Passive
  • Suffer In SilenceSilencer takes less damage from and deals more damage to silenced targets. Damage modifier is 5% + 0.5% per level for both reduction and amplification
  • Suffer In SilenceIf an enemy hero dies within 925 range of Silencer or was debuffed by Silencer at the time of death, Silencer permanently steals 1 Intelligence from them. If the victim was silenced, an extra 1 point of Intelligence will be stolen
  • Arcane CurseNo longer has 1.25x slow and damage multiplier against silenced enemies
  • Glaives of WisdomMana Cost decreased from 14/16/18/20 to 12/14/16/18
  • Glaives of WisdomNow upgraded with Aghanim's Shard
  • Glaives of WisdomIncreases Int Steal by 1 and causes Glaives to bounce once to a random enemy within 450 range

Dec 23, 2025

Silencer in 7.40b

  • TalentsLevel 10 Talent Attack Speed increased from +20 to +25

Dec 15, 2025

Silencer in 7.40

  • Synaptic SplitNo longer has decreased number of +2 All Attributes bonuses
  • TalentsLevel 10 Talent Arcane Curse Penalty Multiplier decreased from +0.5 to +0.25
  • Arcane CurseSilenced Multiplier decreased from 1.5 to 1.25
  • Glaives of WisdomInt Steal increased from 1/2/3/4 to 2/3/4/5
  • Glaives of WisdomInt Steal Duration rescaled from 20/25/30/35s to 10/20/30/40s

May 29, 2025

Silencer in 7.39b

  • Suffer In SilenceDamage percentage decreased from 10/15/20/25% to 8/12/16/20%

May 22, 2025

Silencer in 7.39

  • Synaptic SplitIncreases the max level of Glaives of Wisdom to 5
  • Synaptic SplitNumber of times +2 All Attributes can be skilled decreased from 7 to 6
  • Synaptic Split · Glaives of WisdomLevel 5 makes glaives bounce 1 time to a random target within 450 range. The bounce prioritizes heroes and costs mana just like the original attack
  • Suffer In SilenceSilencer deals 10/15/20/25% more damage to silenced targets and takes 10/15/20/25% less damage from them. Improves with Global Silence
  • Removed Irrepressible and Reverberating Silence facets
  • TalentsLevel 20 Talent 1 Glaives of Wisdom Bounce replaced with +40s Glaives of Wisdom Int Steal Duration
  • Glaives of WisdomNo longer upgraded with Aghanim's Shard

Mar 27, 2025

Silencer in 7.38c

  • Brain Drain: If Silencer is out of range, Intelligence will now be stolen only if the dying enemy is debuffed by Silencer the moment they die
  • ContextThis effect used to have a grace period equal to the full Assist-gaining duration even when the debuff was removed

Feb 18, 2025

Silencer in 7.38

  • TalentsLevel 10 Talent +15 Arcane Curse Damage replaced with +0.5x Arcane Curse Penalty Multiplier
  • TalentsLevel 20 Talent +35/5% Last Word Damage/Slow replaced with 250 AoE Last Word
  • Arcane CurseAbility Reworked
  • Arcane Curse · ContextReturned to pre-7.36 behavior
  • Arcane CurseCurses the target area, dealing damage and causing enemy heroes to take damage over time and slowing their movement speed. Silenced enemies take 1.5x slow and damage. Anytime affected enemies cast a spell, the duration is increased. The duration is paused as long as the target is silenced
  • Arcane CurseInitial Damage: 20/40/60/80. Damage: 16/24/32/40. Radius: 350. Base Duration: 6s. Movement Slow: 16/19/22/25%. Penalty Duration: 2s. Silenced Multiplier: 1.5x
  • Arcane CurseCast Range: 1000, Mana Cost: 120/130/140/150, Cooldown: 22/20/18/16s
  • Arcane CurseCompared to previous iterations, ability duration can now be decreased by Status Resistance or increased by Debuff Duration bonuses
  • Glaives of WisdomNo longer silences enemies after attacking a target 4 times
  • Glaives of WisdomInt to Damage percentage increased from 20/40/60/80% to 35/50/65/80%
  • Last WordAbility Reworked
  • Last Word · ContextReturned to pre-7.36 behavior
  • Last WordEnchants a target, providing vision of them and causing them to be damaged and silenced if they cast a spell or if the enchantment timer expires. Deals extra damage based on the difference in intelligence between Silencer and the target
  • Last WordBase Damage: 120/160/200/240. Int Difference Multiplier: 1/1.5/2/2.5x. Enemy Cast Timer: 4s. Silence Duration: 3/4/5/6s
  • Last WordCast Range: 900, Mana Cost: 100/105/110/115, Cooldown: 22/18/14/10s
  • Global SilenceCooldown rescaled from 130/115/100s to 120s
  • Global SilenceNo longer applies to couriers

Aug 28, 2024

Silencer in 7.37c

  • Agility gain decreased from 2.4 to 2.2
  • Base Attack Speed increased from 100 to 110
  • Arcane CurseMovement Slow increased from 10/15/20/25% to 16/19/22/25%

Jul 31, 2024

Silencer in 7.37

  • Brain Drain: Permanent Intelligence steal decreased from 2 to 1 (Aghanim's Shard Intelligence steal decreased from 4 to 3)
  • Brain Drain: Now also steals Intelligence if the dying unit was debuffed by Silencer, even if he was out of range
  • TalentsLevel 10 Talent Arcane Curse Damage increased from +10 to +15
  • TalentsLevel 15 Talent +20/5% Last Word Damage/Slow replaced with +2/+1s Arcane Curse Base/Silence Duration
  • TalentsLevel 20 Talent Arcane Curse Undispellable replaced with +35/5% Last Word Damage/Slow
  • Glaives of WisdomMana Cost decreased from 20 to 14/16/18/20
  • Last WordDamage per silence increased from 20/30/40/50 to 30/40/50/60

Jun 24, 2024

Silencer in 7.36c

  • Arcane CurseMana Cost rescaled from 130/135/140/145 to 120/130/140/150
  • Global SilenceAghanim's Scepter Arcane Curse duration is now set to current Global Silence duration, instead of always 6s

May 22, 2024

Silencer in 7.36

  • Innate AbilityNew Innate ability. Passive, can't be leveled up
  • Innate AbilitySilencer permanently steals Intelligence from enemy heroes he kills or that die nearby. Intelligence Stolen: 2, Steal Radius: 925
  • Innate AbilityAghanim's Shard increases Intelligence Stolen to 4
  • IrrepressibleSilencer cannot be silenced
  • Irrepressible · ContextTechnically, he can. You can still cast Bloodthorn on him, but that won't stop him from using abilities. Hex, however, will not allow using abilities
  • Reverberating Silence · Global SilenceDuration is decreased, but the first time it ends on an enemy for any reason it is applied on them again. First Silence Duration: 3/3.5/4s. Second Silence Duration: 1.5/1.75/2s
  • Reverberating Silence · Global Silence · ContextTotal silence duration unchanged
  • TalentsLevel 15 Talent +0.8x Last Word Int Multiplier replaced with +20/5% Last Word Damage/Slow
  • TalentsLevel 25 Talent Last Word Mutes replaced with 2 Arcane Curse charges
  • Arcane CurseAbility Reworked
  • Arcane CurseCurses the target area, causing enemy heroes to take 16/24/32/40 damage per second (First instance applies immediately) and slowing their movement speed by 10/15/20/25%
  • Arcane CurseIf a target casts a spell, they are silenced for 2 seconds. The duration is paused as long as the target is silenced for any reason, but the damage and slow are still in effect
  • Arcane CurseArea Radius: 350. Duration: 6s. Mana Cost: 130/135/140/145. Cooldown: 22/20/18/16s
  • Glaives of WisdomAbility Reworked
  • Glaives of WisdomActivate to throw an enchanted glaive that will steal 1/2/3/4 Intelligence from the target for 20/25/30/35s and deal 20/40/60/80% of Silencer's Intelligence as additional damage. Landing 4 Glaives on the same target will silence them for 2.5s. Mana Cost: 20 per attack
  • Glaives of WisdomAghanim's Shard increases temporary Intelligence Steal by 1 and Steal Duration by 50s
  • Glaives of WisdomAttack counter resets after 3/4/5/6 seconds without reapplying. Stacks cannot be applied to an enemy who's currently suffering from Glaives of Wisdom's Silence
  • Last WordAbility Reworked
  • Last WordPassive aura. Enemies within 1200 range of Silencer are slowed by 6/9/12/15% and take 20/30/40/50 damage per second for each Silence debuff they currently suffer from
  • Global SilenceNow upgraded with Aghanim's Scepter
  • Global SilenceCauses Global Silence to apply Arcane Curse to enemy heroes

Mar 21, 2024

Silencer in 7.35d

  • Glaives of WisdomIntelligence Steal increased from 1/1/2/3 to 1/2/3/4

Dec 14, 2023

Silencer in 7.35

  • Glaives of WisdomNow deals Magic Damage that doesn't pierce Debuff Immunity. This makes its damage affect Debuff Immune enemies, but it will be reduced by their Magic Resistance
  • Glaives of WisdomIntelligence to Damage increased from 15/35/55/75% to 20/40/60/80%

Aug 8, 2023

Silencer in 7.34

  • TalentsLevel 20 Talent +10% Glaives of Wisdom Damage replaced with 1 Glaives of Wisdom Bounce
  • TalentsLevel 25 Talent 2 Glaives of Wisdom Bounces replaced with +25% Glaives of Wisdom Damage
  • Glaives of WisdomAghanim's Shard now silences all targets hit if glaives bounce

Jun 15, 2023

Silencer in 7.33d

  • Arcane CurseInitial Damage decreased from 40/60/80/100 to 20/40/60/80

Mar 6, 2023

Silencer in 7.32e

  • TalentsLevel 10 Talent Arcane Curse Damage decreased from +12 to +10
  • TalentsLevel 15 Talent Global Silence Cooldown Reduction decreased from 25s to 20s
  • Arcane CurseCooldown increased from 20/18/16/14s to 22/20/18/16s

Nov 29, 2022

Silencer in 7.32d

  • Arcane CurseRadius decreased from 425 to 340/360/380/400

Sep 27, 2022

Silencer in 7.32c

  • Base Armor increased by 1
  • Arcane CurseNow applies 40/60/80/100 instant Burst Damage

Aug 30, 2022

Silencer in 7.32b

  • Arcane CurseMovement Slow increased from 9/12/15/18% to 10/15/20/25%
  • Glaives of WisdomTemporary Steal duration increased from 15/20/25/30s to 20/25/30/35s

Aug 23, 2022

Silencer in 7.32

  • Base Attack Speed decreased from 115 to 100
  • Base Attack Time improved from 1.7s to 1.6s
  • TalentsLevel 15 Talent +100 Attack Range replaced with -25s Global Silence Cooldown
  • TalentsLevel 15 Talent changed from +8% Arcane Curse Slow removed to +0.8x Last Word Int Multiplier
  • TalentsLevel 20 Talent -20s Global Silence Cooldown replaced with +10% Glaives of Wisdom Damage
  • TalentsLevel 20 Talent changed from +1.2x Last Word Int Multiplier to Arcane Curse Undispellable
  • TalentsLevel 25 Talent +15% Glaives of Wisdom Damage replaced with +2 Glaives of Wisdom Bounces
  • Arcane CurseSilence damage multiplier decreased from 1.7 to 1.5
  • Arcane CursePenalty Duration increase per cast decreased from 3s to 2s
  • Glaives of WisdomReworked Shard. Now causes every 4th glaives attack to silence an enemy for 1.75s. Additionally, increases Intelligence stolen on attack and on kill by 2
  • Last WordIntelligence multiplier decreased from 1.5/2/2.5/3 to 1/1.5/2/2.5
  • Last WordIntelligence multiplier now works on units that don't have Intelligence (treats them as having 0)

Jun 8, 2022

Silencer in 7.31d

  • Strength Growth reduced from 2.4 to 2.2
  • TalentsLevel 20 talent -20s Global Silence Cooldown increased to -25s
  • Arcane CurseMana Cost decreased from 130/140/150/160 to 130/135/140/145

Feb 23, 2022

Silencer in 7.31

  • TalentsLevel 10 Talent +15 Arcane Curse damage reduced to +12
  • TalentsLevel 20 Talent +400 health replaced with -20s Global Silence cooldown
  • Arcane CurseMana Cost increased from 125/130/135/140 to 130/140/150/160
  • Glaives of WisdomShard now also increases Intelligence stolen on kills by 2

Sep 25, 2021

Silencer in 7.30d

  • Arcane CurseSilence Penalty Multiplier reduced from 2x to 1.7x
  • Last WordScepter Radius reduced from 650 to 500

Sep 10, 2021

Silencer in 7.30c

  • Glaives of WisdomIntelligence Steal duration rescaled from 10/20/30/40 to 15/20/25/30

Aug 22, 2021

Silencer in 7.30b

  • TalentsLevel 15 Talent +10% Arcane Curse Slow reduced to +8%
  • TalentsLevel 20 Talent +1.5x Last Word Int Multiplier reduced to +1.2x

Aug 17, 2021

Silencer in 7.30

  • Strength Gain reduced from 2.7 to 2.4
  • TalentsLevel 10 Talent +6 Armor replaced with +15 Arcane Curse Damage
  • TalentsLevel 15 Talent +30 Arcane Curse Damage replaced with +100 Attack Range
  • TalentsLevel 15 Talent +2 Permanent Intelligence per kill replaced with +10% Arcane Curse Slow
  • TalentsLevel 20 Talent +100 Attack Range replaced with +400 Health
  • TalentsLevel 20 Talent +20% Arcane Curse Slow replaced with +1.5x Last Word Int Multiplier
  • TalentsLevel 25 Talent 30% Cooldown Reduction replaced with Last Word Mutes Items
  • Arcane CurseNow deals double damage and slow when target is silenced
  • Arcane CursePenalty duration reduced from 5s to 3s

Apr 9, 2021

Silencer in 7.29

  • TalentsLevel 10 Talent increased from +5 Armor to +6
  • Last WordMana cost reduced from 115 to 100/105/110/115
  • Arcane CurseDamage reduced from 16/26/36/46 to 16/24/32/40
  • Arcane CurseNo longer pauses damage when the debuff duration is delayed
  • Glaives of WisdomShard damage behavior fixed (was reducing non-glaives damage to the secondary target too much)

Aug 26, 2020

Silencer in 7.27d

  • Last WordDamage increased from 80/120/160/200 to 120/160/200/240

Jul 15, 2020

Silencer in 7.27b

  • TalentsLevel 15 Talent increased from +20 Arcane Curse Damage to +30
  • TalentsLevel 20 Talent increased from +15% Arcane Curse Slow to +20%
  • TalentsLevel 25 Talent changed from +1.5s Global Silence to +30% Cooldown Reduction
  • Arcane CurseDamage increased from 16/24/32/40 to 16/26/36/46
  • Global SilenceCooldown reduced from 130 to 130/115/100

May 2, 2020

Silencer in 7.26c

  • TalentsLevel 15 Talent changed from +11% Arcane Curse Slow to +20 Arcane Curse Damage
  • Talentslevel 20 Talent changed from +24 Arcane Curse Damage to +15% Arcane Curse Slow

Mar 17, 2020

Silencer in 7.25

  • Intelligence steal is now part of Glaives of Wisdom instead of being innate
  • TalentsLevel 15 Talent increased from +12% Arcane Curse Slow to +14%

Jan 26, 2020

Silencer in 7.24

  • TalentsLevel 15 Talent changed from +120 Gold/Min to +12% Arcane Curse Slow

Mar 24, 2019

Silencer in 7.21d

  • Glaives of WisdomDamage increased from 25/40/55/70% to 25/45/65/85%

Jan 29, 2019

Silencer in 7.21

  • TalentsLevel 10 Talent increased from +5 Armor to +6
  • Last WordCooldown reduced from 28/22/16/10 to 22/18/14/10

Oct 12, 2018

Silencer in 7.19d

  • Last WordDamage reduced from 120/180/240/300 to 75/150/225/300

Sep 14, 2018

Silencer in 7.19c

  • Last WordDamage rescaled from 150/200/250/300 to 120/180/240/300
  • Arcane CurseManacost increased from 105/115/125/135 to 125/130/135/140
  • Global SilenceManacost increased from 250/375/500 to 300/450/600

Sep 1, 2018

Silencer in 7.19b

  • Arcane CurseManacost increased from 75/95/115/135 to 105/115/125/135

Jun 10, 2018

Silencer in 7.17

  • Arcane CursePenalty duration increased from 4 to 5 seconds

May 27, 2018

Silencer in 7.16

  • Last WordCooldown reduced from 30/24/18/12 to 28/22/16/10
  • Arcane CurseDamage increased from 14/22/30/38 to 16/24/32/40

Apr 24, 2018

Silencer in 7.14

  • TalentsLevel 15 Talent increased from +90 Gold/Min to +120
  • Glaives of WisdomFrom 15/30/45/60% to 25/40/55/70%
  • Global SilenceDuration increased from 4/5/6 to 4.5/5.25/6

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