agility

Viper

Poisonous toxins chip away armor and slow enemies

Ranged

Win any midlane matchup with Viper, a toxic anti-carry who specializes in spitting deadly poison from a distance. His Corrosive Skin passive and Viper Strike ultimate eat away at an enemy's health over time and severely slow their movement, making him a nightmare to duel.

Viper abilities, talents and win rates on this page are from Dota 2 patch 7.41e.

1/3
Complexity
2/3
Durable
1/3
Carry
1/3
Disabler
1/3
Initiator

Viper Performance Summary

On patch 7.41e, Viper holds a 48.39% win rate across 290,717 ranked games. It holds steady across skill brackets (47.69% in Guardian up to 49.23% in Divine), so Viper performs about the same at every level of play. Captains treat Viper as a threat: 83.67% of its 49 contested pro drafts ended in a ban.

Base Stats

Viper
Health582+0.3 / s
Mana279
AttributeBase / Growth per lvl
strengthStrength
21+2.4 per lvl
agilityAgility
21+2.9 per lvl
intelligenceIntelligence
17+2 per lvl
StatValue
DamageDamage
48 – 50
ArmorArmor
1.5
Movement SpeedMovement Speed
275
Attack RangeAttack Range
575

Win Rates by Rank

Patch7.41e
Public Win Rate48%290.7K matches
Pro Win Rate63%5W / 3L
Pro Bans4184% of contests
RankPicksWin Rate
HeraldHerald
23.1K
48%
GuardianGuardian
53.8K
48%
CrusaderCrusader
62.9K
49%
ArchonArchon
61.5K
48%
LegendLegend
45.4K
49%
AncientAncient
25.2K
49%
DivineDivine
18.7K
49%

Faces of Viper

Data Timeframe: Past 6 months

Innate Ability

Predator
PhysicalDispellable
Passive

Viper's attacks deal an additional instance of physical damage per missing health percentage of the target hero.

Damage0.25

Talent Tree

-50% Viper Strike Mana Cost / Cooldown
25
Nethertoxin Radius increases by 25 every 0.5s
+0.35 Predator Damage Per Missing Health
20
+70 Viper Strike DPS
+15% Poison Attack Slow / Damage
15
+20/40 Nethertoxin Min/Max Damage
+15 Corrosive Skin Damage Per Second
10
+1s Viper Strike Duration

Abilities

Poison Attack
MagicalDispellable
Unit Target, Autocast, Attack Modifier

Intensifies Viper's venom, adding an effect to his normal attack that applies a stacking movement speed slow and magic resistance deduction while dealing damage over time. Stacks up to 6 times.

Duration4s
Damage Per Second4 / 8 / 12 / 16
Move Slow3 / 6 / 9 / 12
Magic Resistance4 / 6 / 8 / 10
Max Stacks6
Bonus Range25
Building Damage0%
Cast Range600
Mana20
Nethertoxin
Magical
Point Target, AOE

Viper releases a Nethertoxin at the targeted area. Units in that area take an increasing damage over time based on how long they remain in it. Units in it have their attack speed slowed.

Min Dps15 / 25 / 35 / 45
Max Dps35 / 65 / 95 / 125
Max Dps Duration4s
Radius400
Attack Speed Slow30 / 40 / 50 / 60
Duration6.5 / 7 / 7.5 / 8s
Projectile Speed2400
Cast Range900
Cast Time0.2s
Mana70
Cooldown14s
Corrosive Skin
MagicalDispellable
Passive

Viper exudes an infectious toxin that damages and slows the attack speed of any enemy that damages it in a 1200 radius. The acid exudate also increases Viper's resistance to magic.

Duration4s
Attack Slow9 / 18 / 27 / 36
Magic Resistance10 / 15 / 20 / 25
Damage Per Second10 / 15 / 20 / 25
Max Range Radius1200
Viper Strike
MagicalPierces BKB
Unit Target

Viper slows the targeted enemy unit's movement and attack speed while also disabling their passives and dealing poison damage over time. The slowing effect reduces over the duration of the poison.

Duration6s
Damage Per Second70 / 110 / 150
Move Slow60 / 70 / 80
Attack Slow100 / 140 / 180
Projectile Speed1500
Max Charges2
Charge Restore Time30s
Does Break1
Cast Range750
Cast Time0.2s
Mana100 / 150 / 200
Cooldown50 / 40 / 30s

Aghanim's Upgrades

Aghanim's ScepterUpgrades Nosedive

Viper slams into the ground, releasing a Nethertoxin and splattering each enemy in a 500 AoE for 4 seconds with the effect of Corrosive Skin.

Aghanim's ShardUpgrades Poison Attack

Increases max stacks, and causes Poison Attack to lower armor per stack and to affect buildings for reduced damage.