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Viper
Strength attribute symbol
Agility attribute symbol
Intelligence attribute symbol
21 + 2.4
21 + 2.7
17 + 2
Level 0 1 15 25 30
Health 20 482 1208 2000 2308
+0.25 +2.35 +5.71 +9.31 +10.71
Mana 80 284 620 1004 1148
+0 +0.85 +2.25 +3.85 +4.45
Armor -2 1.5 7.8 14.3 16.88
Magic Resist 25% 26.7% 29.5% 32.7% 33.9%
Damage Block -
Damage

27
29

48
50

85
87

124
126

140
142

Attack Rate 0.71/s 0.83/s 1.05/s 1.28/s 1.37/s
Attack Range Ranged 575 (750)
Attack Speed ▶️ 120 (1.7s BAT)
Attack Animation 0.33 + 1
Projectile Speed 1200
Move Speed ▶️ 275 (Nighttime 305)
Turn Rate Takes 0.262s to turn 180°. 0.6
Collision Size 27
Bound Radius 24
Vision Range (G) 1800 (Nighttime 800)
Gib Type Goo
Internal npc_dota_hero_viper
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.
Poison Attack
Poison Attack
Nethertoxin
Corrosive Skin
Corrosive Skin
Nosedive
Nosedive
Viper Strike
Roles: Carry Carry Durable Durable Initiator Initiator Disabler Disabler
Complexity: Hero Complexity
Adjectives: Arachnophobic, Flying, Green, Wings, Nose
Legs ( 0 )


Bio[]

Viper minimap iconViper, the Netherdrake
▶️ "You've failed the acid test."
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.
Alias:
Netherdrake
Voice:

Abilities[]

Poison Attack
Poison Attack icon
Affects
Enemies
Damage
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. Stacks up to 5 times.
Cast Range: Affected by Attack Range bonuses. 600/640/680/720
Attack Range Bonus: 25/65/105/145
Max Stacks: 5 (With Aghanim's Shard 7)
Damage per Second per Stack: 4/8/12/16 (Talent 4.8/9.6/14.4/19.2)
Move Speed Slow per Stack: 3%/6%/9%/12% (Talent 3.6%/7.2%/10.8%/14.4%)
Magic Resistance Reduction per Stack: 4%/6%/8%/10% (Talent 8%/10%/12%/14%)
Duration: 4
With Aghanim's Shard Armor Reduction per Stack: 1
With Aghanim's Shard Building Damage Multiplier: 0.4
Cooldown symbol
 0
Mana symbol
 24
Upgradable by Aghanim's Shard.
Aghanim's Shard Upgrade:
Increases max stacks, and causes Poison Attack to lower armor per stack and to affect buildings for reduced damage.
Buff/Debuff
Modifiers [?]
modifier_viper_poison_attack
Undispellable
modifier_viper_poison_attack_slow
Ability Draft Notes
Ability Draft Notes:
Uses the caster's current attack range when Autocast.
Manually casting it uses the cast range.
The Netherdrake's inborn toxic breath quickly drains the vitality of its afflicted.

  • Poison Attack's cast range can only be further increased by attack range bonuses of the same range type as the caster. It is not affected by cast range bonuses.
    • Since Poison Attack grants attack range bonus while active, both Autocast and manually casting it uses Viper's current attack range.
  • Poison Attack places one debuff on the target, successive attacks increase its stack count, and resets the duration of the entire stack.
    • Does not work against allied units or wards.
    • The number of stacks can be seen on the status buff icon as well.
  • With 5 (Upgradable by Aghanim's Shard. 7) stacks, it reduces the enemy target's movement speed by 15%/30%/45%/60% (Upgradable by Aghanim's Shard. 21%/42%/63%/84%).
    • TALENT
      The movement speed slow increasing Talent talent further increases the movement speed reduction to 18%/36%/54%/72% (Upgradable by Aghanim's Shard. 25.2%/50.4%/75.6%/100.8%).
  • For how much magic resistance reduction, damage per second and total damage (before reductions) Poison Attack deals with a certain amount of stacks on each level, please refer to the chart below.
  • The Magic Resistance magic resistance reduction of Poison Attack stacks additively by itself. However, it stacks multiplicatively with other magic resistance sources.
    • With max stacks, it reduces most heroes' magic resistance to 10%/2.5%/-5%/-12.5% (Upgradable by Aghanim's Shard. 4%/-6.5%/-17%/-27.5%).
    • TALENT
      The magic resistance reduction increasing Talent talent further reduces the value to -5%/-12.5%/-20%/-27.5% (Upgradable by Aghanim's Shard. -17%/-27.5%/-38%/-48.5%).
  • Deals damage in 1-second intervals, starting 1 second after the debuff is applied, resulting in 4 damage instances.
    • With max stacks, Poison Attack can deal up to 20/40/60/80 (Upgradable by Aghanim's Shard. 28/56/84/112) damage per second, and a total of 80/160/240/320 (Upgradable by Aghanim's Shard. 112/224/336/448) against enemy units in 4 seconds.
    • TALENT
      With the damage per second increasing Talent talent, it can deal up to 24/48/72/96 (Upgradable by Aghanim's Shard. 33.6/67.2/100.8/134.4) damage per second, and a total of 96/192/288/384 (Upgradable by Aghanim's Shard. 134.4/268.8/403.2/537.6) against enemy units.
  • The attacks first apply the debuff, then their own damage.
  • Poison Attack now reduces armor and also applies its effects on buildings as well.
    • Reduces armor by 1/2/3/4/5/6/7 per stack.
    • With max stacks, Poison Attack reduces all affected buildings' total magic resistance to -28%/-42%/-56%/-70% (Talent -56%/-70%/-84%/-98%)
    • This means it can deal up to 14.34/31.81/52.42/76.16 (Talent 17.47/38.08/61.82/88.7) damage per second to buildings.


Nethertoxin icon
Affects
Enemies
Damage
Magical
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.
Cast Animation: 0.2+0.5
Cast Range: Affected by Cast Range bonuses. 900
Radius: Affected by AoE Radius bonuses. 400
Min Damage per Second: 15/20/25/30 (Talent 55/60/65/70)
Max Damage per Second: 35/65/95/125 (Talent 75/105/135/165)
Max Damage Duration: 4
Damage Interval: 0.5
Aura Linger Duration: 0.5
Attack Speed Slow: 30/40/50/60
Duration: 6.5/7/7.5/8
Cooldown symbol
 14
Mana symbol
 70
Buff/Debuff
Modifiers [?]
modifier_viper_nethertoxin_thinker
Undispellable
modifier_viper_nethertoxin
Undispellable
Poison from the Nether Reaches turns wounds into fatalities, and fatigue into death.

  • Nethertoxin's projectile travels at a speed of 2000.
  • All effects of Nethertoxin, including the damage per interval, are provided by an aura. Its debuff lingers for 0.5 seconds.
  • Deals damage in 0.5-second intervals, starting 0.5 seconds after receiving the debuff, resulting in up to 14/15/16/17 instances.
  • The damage increases by 1.25/2.81/4.38/5.94 for each 0.5 seconds spent within the area.
    • Since both the Talent minimum and maximum value of the damage per interval are increased evenly by 40, the damage increase per interval above remains the same.
    • As the damage increases per interval, and once it reaches the maximum 17.5/32.5/47.5/62.5 (Talent 37.5/52.5/67.5/82.5) damage per interval, the damage at subsequent intervals deal the maximum damage, until the end of its duration.
    • Can deal up to 200/386.25/602.5/848.75 (Talent 480/686.25/922.5/1188.75) damage within the area for the entire duration (before reductions).
    • For how much damage per interval Nethertoxin deals, with the damage increasing Talent talent, please refer to the chart below.
  • The damage value resets whenever the enemy leaves the radius and enters it again. It does not count accumulated time spent within the radius.
  • Leveling up the ability or the damage increasing Talent talent does not update the damage of already placed debuffs.
    • However, if the debuff is applied after leveling the ability or the talent, the affected enemy takes the new damage values.
  • Multiple instances of Nethertoxin's debuff do not stack.


Corrosive Skin
Corrosive Skin icon
Ability
Passive
Affects
Self / Enemies
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.
Radius: Affected by AoE Radius bonuses. 1200
Magic Resistance Bonus: 10%/15%/20%/25% (Talent 25%/30%/35%/40%)
Damage per Second: 8/16/24/32 (Talent 26/34/42/50)
Attack Speed Slow: 8/16/24/32
Duration: 4
With Aghanim's Scepter Near Radius: Affected by AoE Radius bonuses. 500
With Aghanim's Scepter Corrosive Skin Multiplier: 2
Upgradable by Aghanim's Scepter.
Aghanim's Scepter Upgrade:
Corrosive Skin applies 2x the damage and attack speed slow to enemies that are within 500 distance of Viper.
Can be used by illusions.
Illusion Notes:
Illusions do not benefit from the bonus magic resistance.
Buff/Debuff
Modifiers [?]
modifier_viper_corrosive_skin
Undispellable
modifier_viper_corrosive_skin_slow
It is not unusual for sword and shield alike to corrode in the very hands of those who attack the Netherdrake.

  • Stacks multiplicatively with other Magic Resistance magic resistance sources.
    • Increases Viper's magic resistance to 32.5%/36.25%/40%/43.75% (Talent 43.75%/47.5%/51.25%/55%).
    • With the magic resistance bonus from this source, every 10 points of Intelligence attribute symbol intelligence further increases the total magic resistance by 0.9%/0.85%/0.8%/0.75% (Talent 0.9%/0.85%/0.8%/0.75%). [?]
  • Applies the damage per second and attack speed slow debuff to whoever damages Viper within 1200 range.
  • Corrosive Skin procs on all 3 damage types, but not self-inflicted damage and HP Removal effects (e.g. Sunder icon Sunder, Soul Ring icon Soul Ring etc.).
    • Damage procced is dealt to the damage source itself. This means that the damage dealt by abilities that are not sourced from the caster (e.g. Proximity Mines icon Proximity Mines), do not trigger Corrosive Skin debuff on the caster.
    • The damage dealt has the no-reflection flag, preventing its damage from interacting with other sources of damage with the same flag.
  • Deals damage in 1-second intervals, starting 1 second after the debuff is applied, resulting in 4 damage instances.
  • Successive procs of Corrosive Skin on the same target do not stack, only the debuff gets refreshed.
  • Corrosive Skin now reduces a total of 16/32/48/64 attack speed within 500 radius upon proc.
    • Corrosive Skin now first applies the damage per second, then the debuff.
    • It still deals damage in the same intervals, resulting in a total of 5 damage instances.
    • Within the near radius, it can deal a total of 80/160/240/320 (Talent 260/340/420/500) damage.
    • Within 5011200 radius, it deals up to a total of 40/80/120/160 (Talent 130/170/210/250) damage instead.


Nosedive
Nosedive icon
Affects
Self / Enemies
Damage
Magical
Viper slams into the ground, disarming each enemy in a 500 AoE for 2 seconds and splattering everyone in a 1200 AoE with the effect of Corrosive Skin.
Cast Range: Affected by Cast Range bonuses. 475
Effect Radius: Affected by AoE Radius bonuses. 1200
Disarm Radius: Affected by AoE Radius bonuses. 500
Corrosive Skin Multiplier: 2
Disarm Duration: 4
Cooldown symbol
 20
Mana symbol
 75
Cannot be cast while rooted or leashed.
Root Notes:
Getting rooted while already diving does not cancel Nosedive.
Buff/Debuff
Modifiers [?]
modifier_viper_nose_dive
Undispellable
modifier_viper_corrosive_skin_slow
modifier_disarmed
Ability Draft Notes
Ability Draft Notes:
Upgradable by Aghanim's Scepter.
Requires drafting Viper Strike icon Viper Strike to be unlocked.
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.

  • Upon cast, Viper rises 100 distance upwards, then dives to the ground at a speed of 500 in 0.1 seconds.
  • The Corrosive Skin values applied to enemies by Nosedive within the effect radius are doubled by default, regardless of its near radius.
  • Destroys trees within a 100 radius around Viper upon landing.
  • Nosedive first apply the disarm debuff, then the Corrosive Skin icon Corrosive Skin debuff.
    • Corrosive Skin notes fully apply. If it is not learned, Nosedive only applies the disarm, and the Corrosive Skin debuff is not applied.


Viper Strike
Viper Strike icon
Affects
Enemies
Damage
Magical
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.
Cast Animation: 0.2+0.53
Cast Range: Affected by Cast Range bonuses. 700/800/900
Damage per Second: 70/100/150 (Talent 150/180/230)
Move Speed Slow: 60%/70%/80%
Attack Speed Slow: 80/120/160
Duration: 6
Cooldown symbol
 50/40/30 (Talent 25/20/15)
Mana symbol
 100/150/200 (Talent 50/75/100)
Upgradable by Aghanim's Scepter.
Aghanim's Scepter Upgrade:
Grants the Nosedive ability.
Blocked by Linken's Sphere.
Blocked upon impact.
Buff/Debuff
Modifiers [?]
modifier_viper_viper_strike_slow
Death
Once used to slay his sadistic summoner, the most powerful of Netherdrake infections spreads through the veins of those foolish enough to cross Viper.

  • Viper Strike's projectile travels at a speed of 1500.
  • The slow decreases over time. The affected target regains 0.5%/0.6%/0.7% of their movement speed and 0.667/1/1.333 attack speed on each server tick.
    • This equals to 10%/11.7%/13.3% movement speed and 13.333/20/26.667 attack speed regained per second.
  • Deals damage in 1-second intervals, starting immediately as the debuff is applied, resulting in 6 damage instances.
  • Successive casts of Viper Strike on the same target do not stack, only the debuff gets refreshed.
  • The particle effects on Viper's wings during the cast time are visible to everyone, showing that the ability is being cast.


Become Universal
Can be used by illusions. Not disabled by Break.
Tal4right
Ability
Passive
Affects
Self
Changes Viper's primary attribute to Universal.
Buff/Debuff
Modifiers [?]
modifier_viper_universal
Undispellable

  • Requires the level 25 Talent talent learned to be unlocked.
    • Viper becomes a Universal attribute symbol universal hero upon learning this Talent talent. Checks all of Viper's attributes and adapts the bonus instantly when learning the Talent talent.
    • Every point of Strength attribute symbol / Agility attribute symbol / Intelligence attribute symbol attribute now increases Viper's main attack damage by 0.7.


Poison Attack Calculations[]

DPS Calculations

Poison Attack icon Poison Attack DPS at nth Stack and Σ Damage for the Entire Duration
Stack Count Base 2 3 4 5 Upgradable by Aghanim's Shard. 6 Upgradable by Aghanim's Shard. 7 Σ Damage
L1 (Talent)
(Upgradable by Aghanim's Shard.Buildings)
4 (4.8)

(Buildings 1.6 / 1.92)

8 (9.6)

(Buildings 3.2 / 3.84)

12 (14.4)

(Buildings 4.8 / 5.76)

16 (19.2)

(Buildings 6.4 / 7.68)

20 (24)

(Buildings 8 / 9.6)

24 (28.8)

(Buildings 9.6 / 11.52)

28 (33.6)

(Buildings 11.2 / 13.44)

112 (134.4)

(Buildings 44.8 / 53.76)

L2 (Talent)
(Upgradable by Aghanim's Shard.Buildings)
8 (9.6)

(Buildings 3.2 / 3.84)

16 (19.2)

(Buildings 6.4 / 7.68)

24 (28.8)

(Buildings 9.6 / 11.52)

32 (38.4)

(Buildings 12.8 / 15.36)

40 (48)

(Buildings 16 / 19.2)

48 (57.6)

(Buildings 19.2 / 23.04)

56 (67.2)

(Buildings 22.4 / 26.88)

224 (268.8)

(Buildings 89.6 / 107.52)

L3 (Talent)
(Upgradable by Aghanim's Shard.Buildings)
12 (14.4)

(Buildings 4.8 / 5.76)

24 (28.8)

(Buildings 9.6 / 11.52)

36 (43.2)

(Buildings 14.4 / 17.28)

48 (57.6)

(Buildings 19.2 / 23.04)

60 (72)

(Buildings 24 / 28.8)

72 (86.4)

(Buildings 28.8 / 34.56)

84 (100.8)

(Buildings 33.6 / 40.32)

336 (403.2)

(Buildings 134.4 / 161.28)

L4 (Talent)
(Upgradable by Aghanim's Shard.Buildings)
16 (19.2)

(Buildings 6.4 / 7.68)

32 (38.4)

(Buildings 12.8 / 15.36)

48 (57.6)

(Buildings 19.2 / 23.04)

64 (76.8)

(Buildings 25.6 / 30.72)

80 (96)

(Buildings 32 / 38.4)

96 (115.2)

(Buildings 38.4 / 46.08)

112 (134.4)

(Buildings 44.8 / 53.76)

448 (537.6)

(Buildings 179.2 / 215.04)

All damage values calculated are before reductions.

Magic Resistance Magic Resistance Reduction Calculations

  • Aghanim's Shard icon Aghanim's Shard Net Bonus is calculated between 7 stacks and 5 stacks.
    • With 7 max stacks, Poison Attack icon Poison Attack reduces an extra flat 6%/9%/12%/15% (Talent 12%/15%/18%/21%) magic resistance compared to 5 stacks.
  • Actual Magic Resistance magic resistance reduction calculated is based on the 25% base magic resistance of heroes.
Poison Attack icon Poison Attack Net Magic Resistance Magic Resistance Reduction at nth Stack
Stack Count Base 2 3 4 5 Upgradable by Aghanim's Shard. 6 Upgradable by Aghanim's Shard. 7 Σ Upgradable by Aghanim's Shard.
Net Bonus
L1 (Talent)
(Buildings)
−3% (−6%)

(Buildings −4% / −8%)

−6% (−12%)

(Buildings −8% / −16%)

−9% (−18%)

(Buildings −12% / −24%)

−12% (−24%)

(Buildings −16% / −32%)

−15% (−30%)

(Buildings −20% / −40%)

−18% (−36%)

(Buildings −24% / −48%)

−21% (−42%)

(Buildings −28% / −56%)

6% (12%)
L2 (Talent)
(Buildings)
−4.5% (−7.5%)

(Buildings −6% / −10%)

−9% (−15%)

(Buildings −12% / −20%)

−13.5% (−22.5%)

(Buildings −18% / −30%)

−18% (−30%)

(Buildings −24% / −40%)

−22.5% (−37.5%)

(Buildings −30% / −50%)

−27% (−45%)

(Buildings −36% / −60%)

−31.5% (−52.5%)

(Buildings −42% / −70%)

9% (15%)
L3 (Talent)
(Buildings)
−6% (−9%)

(Buildings −8% / −12%)

−12% (−18%)

(Buildings −16% / −24%)

−18% (−27%)

(Buildings −24% / −36%)

−24% (−36%)

(Buildings −32% / −48%)

−30% (−45%)

(Buildings −40% / −60%)

−36% (−54%)

(Buildings −48% / −72%)

−42% (−63%)

(Buildings −56% / −84%)

12% (18%)
L4 (Talent)
(Buildings)
−7.5% (−10.5%)

(Buildings −10% / −14%)

−15% (−21%)

(Buildings −20% / −28%)

−22.5% (−31.5%)

(Buildings −30% / −42%)

−30% (−42%)

(Buildings −40% / −56%)

−37.5% (−52.5%)

(Buildings −50% / −70%)

−45% (−63%)

(Buildings −60% / −84%)

−52.5% (−73.5%)

(Buildings −70% / −98%)

15% (21%)

Nethertoxin Calculations[]

Nethertoxin icon Nethertoxin Damage/ Interval Calculations with the Talent damage increasing Talent
Duration 0.5s 1s 1.5s 2s 2.5s 3s 3.5s 4s 4.5s 5s 5.5s 6s 6.5s 7s 7.5s 8s 8.5s
Level 1
(Talent)
7.5
(27.5)
8.75
(28.75)
10
(30)
11.25
(31.25)
12.5
(32.5)
13.75
(33.75)
15
(35)
16.25
(36.25)
17.5
(37.5)
17.5
(37.5)
Level 2
(Talent)
10
(30)
12.81
(32.81)
15.62
(35.62)
18.43
(38.43)
21.24
(41.24)
24.05
(44.05)
26.86
(46.86)
29.67
(49.67)
32.5
(52.5)
32.5
(52.5)
Level 3
(Talent)
12.5
(32.5)
16.88
(36.88)
21.26
(41.26)
25.64
(45.64)
30.02
(50.02)
34.4
(54.4)
38.78
(58.78)
43.16
(63.16)
47.5
(67.5)
47.5
(67.5)
Level 4
(Talent)
15
(35)
20.94
(40.94)
26.88
(46.88)
32.82
(52.82)
38.76
(58.76)
44.7
(64.7)
50.64
(70.64)
56.58
(76.58)
62.5
(82.5)
62.5
(82.5)
The last interval is Nethertoxin icon Nethertoxin's aura linger duration.

Talents[]

Hero Talents
-50% Viper Strike icon Viper Strike manacost/cooldown25Become Universal attribute symbol Universal
+20% Poison Attack icon Poison Attack slow/damage20+80 Viper Strike icon Viper Strike DPS
+15% Corrosive Skin icon Corrosive Skin Magic Resistance15+40 Nethertoxin icon Nethertoxin Min/Max Damage
+18 Corrosive Skin icon Corrosive Skin Damage Per Second10+4% Poison Attack icon Poison Attack Magic Resistance Reduction

Recent Changes[]

Main Articles: Changelogs, Old Abilities and Hero Lore
Version
Description
  • Reduced Nethertoxin icon Nethertoxin max damage per second from 50/75/100/125 to 35/65/95/125.
  • Reduced Corrosive Skin icon Corrosive Skin radius from 1400 to 1200.
  • Poison Attack icon Poison Attack: Aghanim's Shard Max Stacks decreased from 8 to 7.
  • Nethertoxin icon Nethertoxin
    • No longer applies Break.
    • Now slows attack speed by 30/40/50/60.
  • Viper Strike icon Viper Strike
    • Now also applies Break.
    • Movement Slow increased from 40/60/80% to 60/70/80%.
    • Cast Point improved from 0.3s to 0.2s.


Recommended Items[]

Starting items:

  • Tango icon Tango helps Viper stay in lane.
  • Iron Branch icon Iron Branch increases attributes and healing with Tango.

Early game:

  • Wraith Band icon Wraith Band provides a decent boost to Viper's attributes. The extra damage and attack speed help him secure last hits.
  • Infused Raindrop icon Infused Raindrops adds extra mana regeneration and protection against magical damage.

Mid game:

  • Arcane Boots icon Arcane Boots expand his mana pool, allowing him to use abilities more often inside and outside of combat.
  • Rod of Atos icon Rod of Atos gives Viper access to a root, greatly enhancing his ganking power, as well as much-needed stats. The components also provide a convenient build up for him in the early game

Late game:

  • Guardian Greaves icon Guardian Greaves, the upgrade to Arcane Boots, make Viper exceptionally tanky. The active restores a large portion of health and mana to the entire team while dispelling debuffs; the passive prevents low health heroes from succumbing to their wounds. The extra survivability keeps Viper alive far longer, allowing him to sustain his allies and deal more damage.
  • Hurricane Pike icon Hurricane Pike enhances his mobility and adds decent stats for reasonable gold.
  • Black King Bar icon Black King Bar grants debuff immunity so Viper can act without worrying about most enemy disables.
  • Eye of Skadi icon Eye of Skadi is ideal for Viper players who want to frontline. It gives him great stats across the board and the duration of Cold Attack almost perfectly overlaps Poison Attack. The combined attack speed and move speed slows of Viper's abilities and Skadi's modifier will slow any target to a crawl.
  • Monkey King Bar icon Monkey King Bar provides magical damage on top of a solid chunk of damage and a little attack speed. It's best suited against enemy carries who are picking up evasion items and heroes with blind.

Situational items:

  • Veil of Discord icon Veil of Discord enhances the magical damage of Viper's entire kit as well as granting attributes and armor.
  • Shadow Blade icon Shadow Blade is a good pickup on Viper if you intend to seize map control. Viper is a very capable ganker if he can get close to a target. Between both of his slows and his damage scaling up as his target's health decreases, he is very good at 1v1 dueling.
  • Heaven's Halberd icon Heaven's Halberd can be an idiosyncratic yet effective choice against teams that rely on damage from 1-2 right-click heroes. Halberd stops those opponents from attacking in addition to granting status resistance and evasion.
  • Sange and Yasha icon Sange and Yasha is a common pickup in the midgame. Viper enjoys the additional health and damage, as well as movement speed.
  • Manta Style icon Manta Style provides a mix of tankiness, damage, and chasing potential. Mirror Image dispels certain debuffs that cripple Viper's playstyle. Since Corrosive Skin carries over to illusions, it is moderately useful for split-pushing.
  • Mjollnir icon Mjollnir is one of the best DPS items for Viper in the lategame. It accentuates his waveclear, adds more magical damage with the active as well as the passive (this damage is greatly amplified under effect of Poison Attack), and provides high attack speed to enhance Poison Attack.Alternatively,if already possessing Rod of Atos icon Rod of Atos, Gleipnir icon Gleipnir should be considered.
  • Heart of Tarrasque icon Heart of Tarrasque increases Viper's tankiness. Combined with Corrosive Skin and Guardian Greaves, Viper becomes incredibly hard to put down.
  • Bloodthorn icon Bloodthorn prevents spellcasters from using spells, as well as making your targets more vulnerable to your DPS. The mana regeneration also remedies Viper's constant lack of mana.
  • Octarine Core icon Octarine Core combines well with Viper as he can output high magical damage, specifically from Nethertoxin. The spell lifesteal makes this already tanky hero even harder to kill, and stacks with his spell lifesteal talent to provide significant healing. Extra health and mana also allow Viper to live longer and cast more spells during teamfights. Finally, the cooldown reduction allows for more uses of Nethertoxin and Viper Strike, especially when paired with Aghanim's Scepter.
  • Radiance icon Radiance is an item to consider on Viper as he is a durable hero who will survive in fight long enough to deal damage over time to his enemies. Combined with spell lifesteal, it adds to his innate tankiness and the damage also allows him to attack enemies with Poison Attack more effectively.

Dota Plus Progress[]

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.

Relics Voice Lines
Relic Rare icon
Damage During Nethertoxin icon Nethertoxin
Relic Rare icon
Kills During Viper Strike icon Viper Strike
Relic agility icon
Hurricane Pike icon Hurricane Pike Target Damage
Relic agility icon
Slow Duration
Relic agility icon
Physical Damage
Relic agility icon
Damage From Invisibility
Relic agility icon
Blade Mail icon Blade Mail Damage
Relic agility icon
Maelstrom icon Maelstrom Chain Lightning Damage
Relic agility icon
Mega Kill Streaks
Relic agility icon
Triple Kills
Relic agility icon
Kill Assists
Relic agility icon
Kills
Plus Hero Badge 1
Bronze
Plus Hero Badge 2
Silver
Plus Hero Badge 3
Gold
Plus Hero Badge 4
Platinum
Plus Hero Badge 5
Master
Plus Hero Badge 6
Grandmaster

Equipment[]

Trivia[]

  • ▶️ "Holy shit, it's me!" is a reference to a scene of the movie Top Gun.[1]
  • Viper's Chinese name is 冥界亚龙 (Míngjiè Yàlóng), a literal translation of "Netherdrake". However, Viper Strike icon Viper Strike's translation still uses the word "Viper" (蝮蛇, fùshé).

Gallery[]

References[]

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