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Viper

From Liquipedia Dota 2 Wiki
Viper
21 + 2.4
21 + 2.7
17 + 2
Grants the following bonuses per level:
+52.8HP and +0.24HP regeneration
+0.45 armor and 2.7 attack speed
+2.7 Main Attack Damage
+24MP and +0.1MP regeneration
+0.1% base magic resistance
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1.5
Armor
(634.38 EHP)
26.7%
Magic Resist
(794 EHP)
1200
Projectile Speed
Melee Melee units have their projectile speed set to 900, if they should ever need it.
120 (141)
(1.7 BAT)
Base Attack Time Attacks per Second is defined as
ΣAS / BAT / 100
0.33 + 1
Turn Rate This unit takes 0.175s to turn 180°.
This ability component has a different effect during daytime. 1800 / This ability component has a different effect during nighttime. 800
Goo
Gib Type
2011-02-19
Released
2004-02-03
Competitive Span
2011-02-19 — Present
Version Control
This article is mostly accurate for 7.41c, the last version this hero was changed in.

New interactions that emerged in following patches may have not yet been accounted for.
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Poisonous toxins chip away armor and slow enemies.
It was foolhardy to try and tame a Netherdrake, a lesson the old wizard learned in death. Freed from his captor, Viper spread his wings and went forth to explore the surface world. With Poison Attacks imbued with virulent liquid, causing joints to harden, crippling foes whether they choose to flee or fight. Nethertoxin spreads throughout their bodies, turning wounds into fatalities, and fatigue into death. The Netherdrake's tough, Corrosive Skin protects against spell-craft, and burns assailants with acid. But it is the dreaded Viper Strike that signals the beginning of the end. The afflicted victim staggers to a crawl, barely able to take its next step. If the Netherdrake doesn't finish his targets off, the venom in their veins will.
Predator
Predator
Poison Attack
Poison Attack
Nethertoxin
Corrosive Skin
Corrosive Skin
Nosedive
Nosedive
Viper Strike
Roles:Carry Carry Durable Durable Initiator Initiator Disabler Disabler
AdjectivesArachnophobic, Flying, Green, Wings, Nose
Legs ( 0 )

Bio

[edit]
You've failed the acid test.
▶️  Viper, the Netherdrake
Alias:
Netherdrake
The malevolent familiar of a sadistic wizard who captured and hoped to tame him, Viper was curiously glad to have been sprung from the sealed and unchanging subterranean Nether Reaches where his race had lived for millions of years, after tectonic slippage had sealed off the Netherdrakes in luminous caverns. Viper spent some time appearing to submit to the wizard's enchainments, hoping to learn what he could of the dark magics the mage practiced. But he soon realized that few spells were as deadly as the toxins that were his birthright. Exuding an acid that swiftly ate away the bars of his cage, the Netherdrake slipped free of his confines, spit poison in the old spellcaster's eyes, and soared out to let the world know that it had a new master.
Voice:

Upgrades

[edit]

Aghanim's

[edit]
Upgradable by Aghanim's Scepter.
Aghanim's Scepter Upgrade:
New Ability
Nosedive
Grants the Nosedive ability.

The Netherdrake slams into the ground, applying a more potent Corrosive Skin to enemy units within the radius.

Releases Nethertoxin of its corresponding level upon landing.
Corrosive Skin
Applies a more noxious Corrosive Skin that further slows enemy units' attack speed that damages Viper within proximity.
Upgradable by Aghanim's Shard.
Aghanim's Shard Upgrade:
Poison Attack
Now applies armor reduction per stack with its debuff affecting buildings. The damage per second component is less effective on buildings.

Increases max stacks.

Talents

[edit]
-50% Viper Strike Mana Cost/Cooldown25+25 Nethertoxin Radius per 0.5s Intervals
+0.35 Predator Health Loss to Damage Factor20+70 Viper Strike Damage per Second
+0.15 Poison Attack Slow/Damage Factor15+20/+40 Nethertoxin Min/Max Damage
+15 Corrosive Skin Damage Per Second10+1s Viper Strike Duration
▃ ▃ ▃ ▃ ▃ ▃ ▃
+2 All / / Attributes

Innate. Innate

[edit]

Predator

[edit]
Predator
This ability can be bestowed by Illusions. Fully disabled by Break.
Ability
Passive
Affects
Self
Damage
Spell / Physical
Attacks apply an additional physical spell damage instance based on the target's current health and Viper's level.
Health Loss Factor: 0.15 (With level 20 Left Talent.With level 20 Left Talent. 0.5)
Hero Innate Ability
Innate Properties
The higher Viper's level, the greater the health loss factor applied.
Health Loss Factor Increase: +This ability component scales with Hero Levels. 0.05
Linked abilities are learned automatically when their counterpart ability is learned and vice versa.Linked abilities are learned automatically when their counterpart ability is learned and vice versa.
This ability levels up with Viper.
  • Details
  • Interactions
  • Status Effects
  • Misc.
  • Show All
L Hero Level 1 Hero Level 10 Hero Level 20 Hero Level 30
Spell DamageSpell Damage 7.5 30 55
(65) 		80
(90)
  • The aforementioned ability values are calculated from an average of 100% max health to 0% current health, and apply the average following bonus Physical Damage Type physical Spell DamageSpell Damage spell damage per successful attack:
    • EXPR
      x̄ = (7.5 + 17.5) + 2.5 × SelfLVL)
  • The affected enemy unit(s).
    • The ability effects are applied as follows:
      1. The Physical Damage Type physical bonus Spell DamageSpell Damage spell damage.
        • EXPR
          MAX Bonus = (15 + 35) + 5 × ViperLVL , when Enemy ≈0% CurrentHP
      2. Viper's attack instance.
Ability interactions with the caster's illusions.
Functional, the ability utilizes the Base Attack DamageBase Attack Damage base attack damage mechanic.

Other illusion-related mechanics apply.
Buff modifier_viper_predatorUndispellable.
Hidden Modifier
MODIFIER_EVENT_ON_ATTACK_LANDED
MODIFIER_PROPERTY_OVERRIDE_ABILITY_SPECIAL
MODIFIER_PROPERTY_OVERRIDE_ABILITY_SPECIAL_VALUE
  • The Spell DamageSpell Damage spell damage bonus is defined as:
    • EXPR
      ΣDamage = ((0.15 + 0.35) + × ViperLVL) × Target(%MaxHP - %CurrentHP)

Hero Model

[edit]
Hero Model
This ability can be bestowed by Illusions. Neither affected nor disabled by Break.
Ability
Passive / Channeling
Affects
Self
Viper's hero model has the following hidden Innate. innate abilities.

It may only perform or utilize the ability's functions upon a successful channeling.
Hero Innate Ability
Innate Properties
The Netherdrake is considered a ground unit, despite its hero model showing otherwise.
Details
Hidden Innate Abilities
Watch Tower
Warp
Warp
Lantern of Sight
Tap on the Innate. innate abilities for more details.

Abilities

[edit]

Poison Attack

[edit]
Q
C
Poison Attack
Ability
Autocast / Active Attack Modifier
Affects
Enemy Units / Buildings
Damage
Spell / Magical
Intensifies Viper's venom, adding an effect to his normal attack that applies a stacking movement speed slow and magic resistance reduction while dealing damage over time.
Cast Animation: 0.33 + 1
Cast Range: Affected by Attack Range increasing sources. 600
Max Stacks: 6 (Upgradable by Aghanim's Shard. 8)
Damage per Second per Stack: 4/8/12/16 (With level 15 Left Talent.With level 15 Left Talent. 4.15/8.15/12.15/16.15)
Move Speed Slow per Stack: 3%/6%/9%/12% (With level 15 Left Talent.With level 15 Left Talent. 18%/21%/24%/27%)
Magic Resist Reduction per Stack: 4%/6%/8%/10%
Debuff Duration: 4
Armor Reduction per Stack: (Upgradable by Aghanim's Shard. 1)
Aghanim's Shard Upgrade
Aghanim's Shard Upgrade
Now applies armor reduction per stack with its debuff affecting buildings. The damage per second component is less effective on buildings.

Increases max stacks.
Damage Factor: Certain component of this ability affects buildings.Certain component of this ability affects buildings. (Upgradable by Aghanim's Shard. 0.4)
Debuff Factor: Certain component of this ability affects buildings.Certain component of this ability affects buildings. (Upgradable by Aghanim's Shard. 1)
Mana Cost
20
The Netherdrake's inborn toxic breath quickly drains the vitality of its afflicted.
  • Details
  • Interactions
  • Status Effects
  • Misc.
  • Show All
  • This unit's attack now apply certain effects.
    • Poison Attack is an active attack modifier, and has the following properties:
    • Both This ability can automatically cast on valid units. Autocast and an active cast uses Viper's current Affected by Attack Range increasing sources. attack range.
      • Has Autocast off by default.
    • Instant Attack
      • This ability component can be applied by other instant attack sources.
  • The affected enemy unit(s).
    • The ability effects are applied as follows:
      1. Debuff viper_poison_attack_slow to The greater the stack, the greater the ability value.The greater the stack, the greater the ability value.
        • Each successful attack reapplies the debuff or increases the stack value on the attacked enemy unit, then refreshes its duration, and updates the ability values of the whole stack.
          • Hence the debuff is applied at the first attack.
        • All reduction values of this source stack additively per applied stack.
        • All ability components are not affected by Status ResistanceStatus Resistance status resistance sources.
        • Deals Magical Damage Type magical Spell DamageSpell Damage spell damage in 1-second intervals, starting 1 second after debuff application.
          • Reapplying the debuff between the damage intervals does not affect the current damage intervals.
          • The ability has a countdown timer or has a value counter component.
      2. Viper's attack instance.
Ability interactions with the caster's illusions.
Non-functional nor is toggled This component requires toggling on the ability..
Ability interactions with Spell Steal.
Cannot acquire active This unit's attack now apply certain effects. attack modifiers.
This ability functions differently or requires certain conditions in Ability DraftThis ability functions differently or requires certain conditions in Ability Draft
Utilizes the caster's current Affected by Attack Range increasing sources. attack range while This ability can automatically cast on valid units. Autocast is active. Manual cast utilizes the ability's current Affected by Cast Range increasing sources. cast range.
Buff modifier_viper_poison_attackUndispellable.
Hidden Modifier
MODIFIER_PROPERTY_ATTACK_RANGE_BONUS
MODIFIER_EVENT_ON_ATTACK_RECORD
MODIFIER_EVENT_ON_ATTACK
MODIFIER_EVENT_ON_ATTACK_LANDED
MODIFIER_EVENT_ON_ATTACK_RECORD_DESTROY
Debuff modifier_viper_poison_attack_slowDispellable by any Dispel sources.
Poison Attack: Movement speed reduced by x%, magic resistance reduced by x%. Taking damage over time.
MODIFIER_PROPERTY_MOVESPEED_BONUS_PERCENTAGE
MODIFIER_PROPERTY_PHYSICAL_ARMOR_BONUS
MODIFIER_PROPERTY_MAGICAL_RESISTANCE_BONUS
The greater the stack, the greater the ability value.The greater the stack, the greater the ability value. 1 2 3 4 5 6 7 8
DPS 16
(16) 		32
(32) 		48
(48) 		64
(64) 		80
(80) 		96
(96) 		112
(113) 		128
(129)
DPS
Certain component of this ability affects buildings.Certain component of this ability affects buildings. 		6
(6) 		12
(12) 		19
(19) 		25
(25) 		32
(32) 		38
(38) 		44
(45) 		51
(51)
Movement Speed 12%
(27) 		24%
(54) 		36%
(81) 		48%
(108) 		60%
(135) 		72%
(162) 		84%
(189) 		96%
(100)
Magic Resistance 10% 20% 30% 40% 50% 60% 70% 80%
+ Bonus Armor 1 2 3 4 5 6 7 8

Nethertoxin

[edit]
Affects
Enemy Units
Damage
Spell / Magical
Releases a Nethertoxin at the area-targeted location, affected enemy units take an increasing damage over time based on the duration they remain in it.
Cast Animation: 0.2 + 0.5
Cast Range: Affected by Cast Range increasing sources. 900
Effect Radius: Affected by AoE Radius increasing sources. 400
Damage Interval: 0.5
Min Damage per Instance: 7.5/12.5/17.5/22.5 (With level 15 Right Talent.With level 15 Right Talent. 7.75/12.75/17.75/22.75)
Max Damage per Instance: 17.5/32.5/47.5/62.5 (With level 15 Right Talent.With level 15 Right Talent. 17.75/32.75/47.75/62.75)
Nth Instance as Max Values: 9
Applies a non-incremental attack speed slow to enemy units within the Nethertoxin radius.
Attack Speed Slow: 30/40/50/60
Duration: 6.5/7/7.5/8
Aura Linger Duration: 0.5
Talent Upgrade
The effect radius increases within fixed intervals over the entire duration.
Effect Radius Increment: 25
Increase Interval: 0.5
Aghanim's Scepter Upgrade
Aghanim's Scepter Upgrade
Grants Viper a positive aura within the radius. The longer Viper stays within the Nethertoxin, the greater the Corrosive Skin properties.
Min Magic Resist Bonus:
Max Magic Resist Bonus: (Upgradable by Aghanim's Scepter. 150%)
14
Mana Cost
70
Poison from the Nether Reaches turns wounds into fatalities, and fatigue into death.
  • Details
  • Status Effects
  • Misc.
  • Show All
  • viper_nethertoxin to
      • Creates an aura at the The ability's area-of-effect properties. area-targeted location upon cast.
      • Can affect enemy units at max Affected by Cast Range increasing sources. Affected by AoE Radius increasing sources. 1300-distance away with the cast range and effect radius.
      • Applies a flat attack speed slow within the radius over the entire duration.
    • Ability values increasing per determined increments.
      • Other ability components applied from the aura are independent of each other and have the following properties:
        • The applied instance value resets whenever the affected unit leaves the radius.
        • Applied in 0.5-second intervals, starting 0.5 upon the either the buff or debuff application, over 14/15/16/17 instances for the entire duration, and is defined as:
          • EXPR
            • Valuen = MIN InstValue + ( n - 1 ) × ( (MAX - MIN)InstValue / 4 x 0.5 ) , when n ≤ 8
            • Valuen = MAX InstValue , when n ≥ 9
        • In short, the following ability values start from their min values, reach their max values at the 9th instance, and continue applying their max values for their remaining durations:
          • This ability component affects the caster themselves.This ability component affects the caster themselves. Buff
          • The affected enemy unit(s). Buff
            • The Magical Damage Type magical Spell DamageSpell Damage spell damage component.
              • Increases by 1.25/2.5/3.75/5 damage per Nethertoxin interval within the radius.
                • Both leveling up the ability and learning the damage increasing With level 15 Right Talent.With level 15 Right Talent. talent do not update the current damage values.
                • However, if the debuff is applied after leveling the ability or learning the talent, the ability applies the updated damage values on the debuff-affected enemy.
            • The Corrosive Skin spell damage per second increases by 1.25/1.88/2.5/3.13 per Nethertoxin interval per Corrosive Skin proc.
        • The area-of-effect incremental increase With level 25 Right Talent.With level 25 Right Talent. talent increases linearly up until 800 radius.
  • The targeted area intersects.
    • Multiple overlapping Nethertoxin radii do not stack.
Buff modifier_viper_nethertoxinUndispellable.
Nethertoxin: Taking increasing damage over time. Attack speed reduced by x.
MODIFIER_PROPERTY_ATTACKSPEED_BONUS_CONSTANT
Buff modifier_viper_nethertoxin_thinkerUndispellable.
On hidden entity
Debuff modifier_viper_nethertoxinUndispellable.
Nethertoxin: Taking increasing damage over time. Attack speed reduced by x.
MODIFIER_PROPERTY_ATTACKSPEED_BONUS_CONSTANT

Nethertoxin Calculations

[edit]

The following table illustrates the Nethertoxin ability values applied per interval:

Corrosive Skin

[edit]
E
E
Corrosive Skin
Ability
Passive
Affects
Enemy Units / Self
Damage
Spell / Magical / No-reflection
Exudes an infectious toxin that damages and slows the attack speed of any enemy that damages the Netherdrake within the radius.
Radius: Affected by AoE Radius increasing sources. 1200
Min Damage per Second: 10/15/20/25 (With level 10 Left Talent.With level 10 Left Talent. 25/30/35/40)
Attack Speed Slow: 9/18/27/36
Duration: 4
Max Damage per Second: (Upgradable by Aghanim's Scepter. 15/22.5/30/37.5) (Upgradable by Aghanim's Scepter.With level 10 Left Talent.With level 10 Left Talent. 37.5/45/52.5/60)
Passively increases Viper's magic resistance.
Min Magic Resist Bonus: 10%/15%/20%/25%
Aghanim's Scepter Upgrade
Aghanim's Scepter Upgrade
Applies a more noxious Corrosive Skin that further slows enemy units' attack speed that damages Viper within proximity.
Proximity Radius: Affected by AoE Radius increasing sources. (Upgradable by Aghanim's Scepter. 500)
Attack Speed Slow Factor: (Upgradable by Aghanim's Scepter. 4)
Aghanim's Scepter Upgrade
Aghanim's Scepter Upgrade
Certain Corrosive Skin ability values now reach its max values corresponding to the same Nethertoxin increment intervals over the entire duration.
It is not unusual for sword and shield alike to corrode in the very hands of those who attack the Netherdrake.
  • Details
  • Interactions
  • Status Effects
  • Misc.
  • Show All
  • This ability component affects the caster themselves.This ability component affects the caster themselves. Magic Resistance
    • Stacks multiplicatively with other magic resistance source.
    • The granted magic resistance bonus of this source stacks additively per incremental value.
Ability interactions with the caster's illusions.
Functional, except the bonus Magic Resistance magic resistance component.
Buff modifier_viper_corrosive_skinUndispellable.
Hidden Modifier
MODIFIER_PROPERTY_MAGICAL_RESISTANCE_BONUS
MODIFIER_EVENT_ON_TAKEDAMAGE
Debuff modifier_viper_corrosive_skin_slowDispellable by any Dispel sources.
Corrosive Skin Slow: Attack speed reduced by x.
MODIFIER_ATTACKSPEED_BONUS_CONSTANT
  • This ability component affects the caster themselves.This ability component affects the caster themselves. Magic Resistance
    • Has the following magic resistance:
      • 32.5%/36.25%/40%/43.75%
    • Increases the total magic resistance by the following values per 10 Intelligence intelligence points.
      • 0.9%/0.85%/0.8%/0.75%

Nosedive

[edit]
D
L
Nosedive
Affects
Self / Enemy Units
Damage
Spell / Magical
The Netherdrake slams into the ground, applying a more potent Corrosive Skin to enemy units within the radius.
Cast Animation: 0.1 + 0
Cast Range: Affected by Cast Range increasing sources. 700
Effect Radius: Affected by AoE Radius increasing sources. 500
Damage per Second: 10/15/20/25 (With level 15 Left Talent.With level 15 Left Talent. 25/30/35/40)
Attack Speed Slow: 36/72/108/144
Debuff Duration: 4
Releases Nethertoxin of its corresponding level upon landing.
25
Mana Cost
75
Linked abilities are learned automatically when their counterpart ability is learned and vice versa.Linked abilities are learned automatically when their counterpart ability is learned and vice versa.
This ability levels up with Nethertoxin and Corrosive Skin.
It was thought that Netherdrake wings touch ground only in death, but some surmise that those who've witnessed more intentional landings merely haven't survived to tell the tale.
  • Details
  • Interactions
  • Status Effects
  • Misc.
  • Show All
  • Acquiring Upgradable by Aghanim's Scepter. Aghanim's Scepter unlocks this ability in the      fourth ability slot.
Ability interactions with Root sources.
Root sources do not interrupt the ability if already cast.

Cannot cast while rooted.
Ability interactions with Leash sources.
Leash sources do not interrupt the ability if already cast.

Cannot cast while leashed.
Ability interactions with Spell Steal.
Requires acquiring either Nethertoxin and Corrosive Skin for its corresponding component to work.
This ability functions differently or requires certain conditions in Ability DraftThis ability functions differently or requires certain conditions in Ability Draft
Requires drafting both Nethertoxin and Corrosive Skin for its corresponding component to work.

Requires drafting Upgradable by Aghanim's Scepter. Viper Strike to unlock this ability.
Buff modifier_viper_nose_diveUndispellable.
Hidden Modifier
MODIFIER_STATE_STUNNED
MODIFIER_PROPERTY_VISUAL_Z_DELTA
  • Directly uses the following ability values; it does nothing if the source ability is not learned upon cast.
  • This ability component affects the caster themselves.This ability component affects the caster themselves. The ability's visual effects.
    • Upon cast, Viper ascends 100-distance on the z-axis, then dives to the ground at 700-speed over 0.1 seconds.

Viper Strike

[edit]
R
V
Viper Strike
Affects
Enemy Units
Damage
Spell / Magical
Breaks the targeted enemy unit's passive abilities, slows its movement speed and attack speed, while dealing damage over time.

The slowing effect reduces incrementally over the duration of the ability.
Cast Animation: 0.2 + 0.53
Cast Range: Affected by Cast Range increasing sources. 750
Damage per Second: 70/100/150 (With level 20 Right Talent.With level 20 Right Talent. 140/170/220)
Move Speed Slow: 60%/70%/80%
Attack Speed Slow: 100/140/180
Break Duration: 6 (With level 10 Right Talent.With level 10 Right Talent. 7)
Debuff Duration: 6 (With level 10 Right Talent.With level 10 Right Talent. 7)
50/40/30 (With level 25 Left Talent.With level 25 Left Talent. 25/20/15)
Mana Cost
100/150/200 (With level 25 Left Talent.With level 25 Left Talent. 50/75/100)
Once used to slay his sadistic summoner, the most powerful of Netherdrake infections spreads through the veins of those foolish enough to cross Viper.
  • Details
  • Interactions
  • Status Effects
  • Misc.
  • Show All
  • Debuff viper_viper_strike_slow
    • Deals Magical Damage Type magical Spell DamageSpell Damage spell damage in 1-second intervals, starting immediately upon debuff application, over 6 (With level 10 Right Talent.With level 10 Right Talent. 7) damage instances.
    • The following values applied reduce incrementally per The game server ticks at 0.033-seconds. This is how often Dota2 sends data between server and client.The game server ticks at 0.033-seconds. This is how often Dota2 sends data between server and client. server tick, over 180 instances.
      • Ability values reducing per determined increments.
        • Reduces the total Movement Speed movement speed slow by 2%/2.3%/2.7% per interval.
        • Reduces the total attack speed slow by 3.33/4.67/6 per interval.
    • Reapplying the debuff refreshes its duration, but neither updates the ability values, nor affects the damage intervals.
Ability interactions with Spell Block sources.
Procs Spell Block sources The ability's projectile properties.The ability's projectile properties. projectile impact.
Ability interactions with Spell Reflection sources.
Proc Spell Reflection sources upon The ability's projectile properties.The ability's projectile properties. projectile impact.
Debuff modifier_viper_viper_strike_slowOnly dispellable by Death.Only dispellable by Death.
Viper Strike Slow: Passive abilities disabled. Movement speed reduced by x%, attack speed reduced by x.
MODIFIER_PROPERTY_MOVESPEED_BONUS_PERCENTAGE
MODIFIER_PROPERTY_ATTACKSPEED_BONUS_CONSTANT
MODIFIER_EVENT_ON_DEATH
Debuff modifier_viper_viper_strike_debuffOnly dispellable by Death.Only dispellable by Death.
Hidden Modifier
MODIFIER_STATE_PASSIVES_DISABLED
  • The ability's visual effects.
    • The ability effects on Viper's wings during the cast point is visible to everyone.
  • The affected enemy unit(s).
    • The ability effects are applied as follows:
      1. The Magical Damage Type magical Spell DamageSpell Damage spell damage per second component.
      2. Debuff viper_viper_strike_slow
LEVEL 1
LEVEL 2
LEVEL 3
Magical Damage Type Spell DamageSpell Damage 420 600 900
With level 10 Right Talent.With level 10 Right Talent. 1020 1320
With level 20 Right Talent.With level 20 Right Talent. 1050
With both level 10 and level 15 Right Talents.With both level 10 and level 15 Right Talents. 1540

Recent Matches

[edit]
Main Article: Viper/Matches
DateTierTournamentPicksScorevs. PicksPatch
June 8, 2026 - 11:00 CESTTier 3EPL Season 38 - June 8EPL Season 38 - June 8EPL Season 38 - June 8
Viper
Snapfire
Lich
Kez
Night Stalker
0 : 1
Puck
Tusk
Largo
Rubick
Naga Siren
7.41c
+ Details
June 8, 2026 - 11:00 CESTTier 3EPL Season 38 - June 8EPL Season 38 - June 8EPL Season 38 - June 8
Viper
Rubick
Kez
Warlock
Beastmaster
1 : 0
Snapfire
Tusk
Bane
Windranger
Nature's Prophet
7.41c
+ Details
June 7, 2026 - 11:00 CESTTier 1BLAST SLAM VII - PlayoffsBLAST SLAM VII - PlayoffsBLAST SLAM VII - Playoffs
Kez
Dark Seer
Spirit Breaker
Viper
Nature's Prophet
0 : 1
Drow Ranger
Winter Wyvern
Slardar
Shadow Demon
Enigma
7.41
Details
June 7, 2026 - 11:00 CESTTier 1BLAST SLAM VII - PlayoffsBLAST SLAM VII - PlayoffsBLAST SLAM VII - Playoffs
Drow Ranger
Winter Wyvern
Viper
Batrider
Spirit Breaker
1 : 0
Kez
Hoodwink
Largo
Queen of Pain
Lich
7.41
Details
June 6, 2026 - 20:00 CESTTier 3EPL Season 38 - June 6EPL Season 38 - June 6EPL Season 38 - June 6
Treant Protector
Largo
Windranger
Viper
Phantom Lancer
1 : 0
Drow Ranger
Lion
Undying
Pangolier
Invoker
7.41c
+ Details

Recent Changes

[edit]
Main Articles: Changelogs, Old Abilities and Hero Lore
Description
7.41c
(2026-05-06)
7.41
(2026-03-24)
  • Increased Agility agility gain from 2.7 to 2.9.
  • Reduced base attack speed from 120 to 110.
  • Increased Predator base damage per health loss from 0.15 to 0.25.
  • REMOVED Poison Attack Poison Burst ability component.
  • REMOVED Nethertoxin Caustic Bath ability component.
  • U Rescaled Viper Strike cast range from 700/800/900 to 750 on all levels.
  • Upgradable by Aghanim's Scepter. Aghanim's Scepter upgrade:
    • Within the Nethertoxin radius, Corrosive Skin grants up to a 1.5 damage factor and a 1.5 magic resistance bonus factor.
      • All ability bonus factors reaches its max factor after a 4-second duration.
7.40c
(2026-01-21)
  • Rescaled Corrosive Skin damage per second from 8/16/24/32 to 10/15/20/25.
  • TalentsTalents Talents:  
    LVL 20  +0.25 Predator base damage bonus per health loss increased to +0.3.  
    LVL 20  +80 Viper Strike damage per second reduced to +70.

Dota Plus Progress

[edit]
Main Article: Hero Challenges

Relics track a hero's actions and statistics, and display in-game notifications when a milestone is reached. They are only available to Dota Plus subscribers.

Viper's Relics Voice Lines

Poison Attacks Kills

Damage During Nethertoxin

Corrosive Skin Kills

Kills During Viper Strike

Hurricane Pike Target Damage

Slow Duration

Physical Damage

Damage From Invisibility

Blade Mail Damage

Maelstrom Chain Lightning Damage

Mega Kill Streaks

Triple Kills

Kill Assists

Kills
Bronze

Silver

Gold

Platinum

Master

Grandmaster

Equipment

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Trivia

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  • Viper's Chinese name is 冥界亚龙 (Míngjiè Yàlóng), a literal translation of "Netherdrake". However, Viper Strike's translation still uses the word "Viper" (蝮蛇, fùshé).
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References

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  1. ↑ Top Gun scene Viper is referring to.
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