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Agility

Viper

Viper: Ranged, position 2 (mid), position 3 (offlane), position 1 (carry), Durable, Initiator, Disabler. In patch 7.41f the hero has a 48.5% win rate in pubs and a 8.7% pick rate.

Launching deadly poison from a distance, Viper poses a grave threat to whomever he targets. As his various toxins eat away at an enemy's health and slow their movement, Viper simply does what he does best: he keeps adding more poison.

Rangedposition 2 (mid)position 3 (offlane)position 1 (carry)DurableInitiatorDisabler
48.5%Win rate · all pubs
8.7%picked in 1 of 11 games
48.8%Turbo · 233,614 games
Complexity: easy
Cheat sheet · patch 7.41f

How to play Viper

Build and skills from 100 pro matches, STRATZ matchups and OpenDota norms

1What to build?

Start
Iron BranchCircletTangoFaerie FireObserver Ward
Laning
Wraith Band2′Null Talisman4′Magic Wand5′Band of Elvenskin7′
Core
Mage Slayer13′Dragon Lance15′Hurricane Pike20′

Core items in order: Mage Slayer (around minute 13), Dragon Lance (around minute 15), Hurricane Pike (around minute 20).

Full build by minute →

2How to skill?

Lv 1–4Poison AttackCorrosive SkinPoison AttackNethertoxin
Maxed by level
Nethertoxin
lv 8
Poison Attack
lv 10
Corrosive Skin
lv 15
Viper Strike
lv 17
11+1s Viper Strike Duration16+15% Poison Attack Slow / Damage18+70 Viper Strike DPS

Max Nethertoxin, then Poison Attack, then Corrosive Skin.

Abilities and talents →

3Who counters the hero?

Toughest opponents: Elder Titan, Lycan and Naga Siren; easiest: Huskar, Batrider and Shadow Fiend.

All 125 opponents →

4How much to farm?

521605692

Half of the players on this hero farm under 521 gold per minute; the top 5% get over 692.

5Common mistakes by role

Missed objective windowNo TP to defendLost lane

Fewer than 20 reviews on this hero so far, so these are guides for the mid and offlane role.

AI coach

Compare your Viper match with this cheat sheet

The coach shows on the map where you fell behind the pros on items and where you died.

Review my match

Mistake guides for the mid and offlane role

Picked by the hero's role. Once the hero has 20 reviews, its real common mistakes show up here.

AI coach

A review of your Viper game

Sign in with Steam and pick a match: the coach reads the replay second by second and in a couple of minutes shows where the game slipped.

  • Every death and fight becomes a moment on the map: the fog of war as you saw it, and what the enemy saw that second.
  • Your pace against the Viper benchmark: 521 GPM for an average player, 605 for a good one.
  • Timings against pros: they have Mage Slayer by minute 13, and the coach shows where you lose time.
  • Five-game homework the coach checks in your next review, plus a chat with the coach about the match.
Review my matchA month of subscription as a gift, no card and no auto-renewal.How a match review works

Pro build by minute

Minute is the median first purchase, percent is the share of matches with the item.

100 pro matches · 50.0% wins · OpenDota
0′5′10′15′20′25′30′35′40′
Iron Branch · 97%Circlet · 90%Tango · 89%Faerie Fire · 89%Observer Ward · 41%
Starting
Wraith Band2′55%
Null Talisman4′30%
Magic Wand5′81%
Band of Elvenskin7′55%
Power Treads7′71%
Boots of Travel10′30%
Mage Slayer13′22%
Dragon Lance15′24%
Hurricane Pike20′75%
Blink Dagger21′22%
Manta Style24′47%
Black King Bar30′58%
Aghanim's Shard31′46%
Eye of Skadi36′23%

Skill build

11% of 98 pro matches

All abilities and talents →
  1. 1Poison Attack
  2. 2Corrosive Skin
  3. 3Poison Attack
  4. 4Nethertoxin
  5. 5Nethertoxin
  6. 6Viper Strike
  7. 7Nethertoxin
  8. 8Nethertoxin
  9. 9Poison Attack
  10. 10Poison Attack
  11. 11T
  12. 12Corrosive Skin
  13. 13Viper Strike
  14. 14Corrosive Skin
  15. 15Corrosive Skin
  16. 16T
  17. 17Viper Strike
  18. 18T
  • Lvl 11+1s Viper Strike Duration
  • Lvl 16+15% Poison Attack Slow / Damage
  • Lvl 18+70 Viper Strike DPS
Poison Attack

Poison Attack

на цель, автоприменение, 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.

Pros max it by level 10

Nethertoxin

Nethertoxin

на точку, по области

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.

Pros max it by level 8

Corrosive Skin

Corrosive Skin

пассивная

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.

Pros max it by level 15

Predator

Predator

пассивная · innate

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

Viper Strike

Viper Strike

на цель

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.

Pros max it by level 17

Aghanim's Scepter
Aghanim's ScepterGrants a new ability, Nosedive.
Aghanim's Shard
Aghanim's ShardUpgrades Poison Attack.
Nethertoxin Radius increases by 25 every 25s25-50% Viper Strike Mana Cost / Cooldown
+70 Viper Strike DPS20+0.35 Predator Damage Per Missing Health
+20/20 Nethertoxin Min/Max Damage15+15% Poison Attack Slow / Damage
+1s Viper Strike Duration10+15 Corrosive Skin Damage Per Second

Matchups

Hero winrate against each opponent, circle size is the number of games

All opponents · 125 →

Hero win rate against the opponent, Divine+Immortal over the past week, STRATZ.

Who to pick against Viper: counter picks →

Benchmarks on the hero

Average beats half of the players on this hero, good beats 80%, great beats 95%.

Gold per minute
521605692
Experience per minute
6728421,011
Last hits per minute
5.67.07.9
Hero damage per minute
6638831,107

Win rate by rank

The curve is pub winrate, pick rate under each rank

pubs · OpenDota
46474849505148.2Heraldpick 16%47.6Guardianpick 13%48.1Crusaderpick 10%48.1Archonpick 9%48.4Legendpick 7%49.0Ancientpick 6%49.3Divinepick 6%48.8Turbo

Hero at a glance

Complexity: easy

It does best in Divine (49.3% wins) and wins 48.8% of Turbo games. Hero positions in pro matches: position 2 (mid) in 52% of games, position 3 (offlane) in 26% of games and position 1 (carry) in 21% of games. Pros usually build Mage Slayer, Dragon Lance and Hurricane Pike by minute 20. It struggles most against Elder Titan, Lycan and Naga Siren and has the easiest time against Huskar, Batrider and Shadow Fiend.

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