Viper

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Viper
Viper icon.png
Strength attribute symbol.png
Agility attribute symbol.png
Intelligence attribute symbol.png
21 + 2.4
21 + 2.5
15 + 1.8
Level Base 1 15 25
Health 200 620 1280 1760
Health regen 0 2.1 5.46 7.86
Magic res. 25% 26.26% 28.28% 29.72%
Mana 75 255 555 771
Mana regen 0 0.75 2.01 2.91
Spell dmg 0% 1.05% 2.81% 4.07%
Armor -2 1.36 6.96 10.96
Att/sec 0.59 0.71 0.92 1.06
Move sp amp. 0% 1.05% 2.8% 4.05%
Damage 25‒27 46‒48 81‒83 106‒108
Movement speed 275
Attack speed 100
Turn rate 0.5
Vision range 1800/800
Attack range 575
Projectile speed 1200
Attack animation 0.33+1
Base attack time 1.7
Collision size 24
Legs
Gib type Goo

Viper, the Netherdrake, is a ranged agility hero who functions as an excellent nuker, ganker and carry due to his assortment of low-cooldown spells and debilitating attacks. His modus operandi is to whittle away his opponents' vitality over long stretches of time while they fail to inflict fatal damage. To that end Viper wields magic-based abilities focused on inhibiting speed and defenses. He infects his quarry with Poison Attack, a seemingly innocuous liquid that rapidly burns away more health as they became sicker, while drowning them in noxious pools which block their innate powers. Meanwhile Corrosive Skin fortifies him against magic damage and poisons those who dare strike him. For impervious foes he reserves his most powerful venom, Viper Strike, as a surprise gift. A slow tank that dominates the early stages of a game, Viper depends on consolidating that advantage before opponents can afford to exploit his weaknesses.


Bio[edit]

Viper minimap icon.png Viper, 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.
Voice:

Abilities[edit]

Poison Attack
Poison Attack icon.png
Affects
Enemies
Damage
Magical
Intensifies Viper's venom, adding an effect to his normal attack that slows attack and movement speed while dealing damage over time based on the amount of health the target is missing.
Cast Range: 600 (Talent 725)
Damage per Missing Health Percentage: 0.5/0.75/1/1.25
Move Speed Slow: 10%/20%/30%/40%
Attack Speed Slow: 10/20/30/40
Duration: 3
Cooldown: 6/4/2/0
Mana: 40/35/30/25
Does not pierce spell immunity. Slow persists and attempts to damage if debuff was placed before spell immunity and when not dispelled.
Modifiers
Debuff Poison Attack Slow: Dispellable with any dispel.
The Netherdrake's inborn toxic breath quickly drains the vitality of its afflicted.

Notes:

  • Casting Poison Attack manually uses the 600 (Talent 725) cast range. Attacking normally with Poison Attack on autocast uses Viper's 575 (Talent 700) attack range.
  • Deals damage in 1 second intervals, starting 1 second after the debuff is applied, resulting in 3 damage instances.
  • The damage is based on the target's current to maximum health ratio. For each percentage of missing health, the damage increases.
    • For example, a target with 400/1000 health will take 30/45/60/75 damage on the next tick, since it is missing 60% health.
  • Successive casts of Poison Attack on the same target do not stack, only the debuff gets refreshed.
  • The attacks first apply the debuff, then their own damage.
  • The level 20 Talent talent allows Poison Attack to target buildings, damaging and slowing them.


Nethertoxin
Nethertoxin icon.png
Affects
Enemies
Damage
Magical
Viper releases a Nethertoxin at the targeted area. Units in that area take damage over time, have lower resistance and their passives do not work.
Cast Animation: 0.2+0.5
Cast Range: 900
Radius: 380
Damage per Second: 30/45/60/75
Magic Resistance Reduction: 10%/15%/20%/25%
Aura linger duration: 0.5
Duration: 8
Cooldown: 6
Mana: 70/80/90/100
Modifiers
Debuff Nethertoxin: Undispellable.
Poison from the Nether Reaches turns wounds into fatalities, and fatigue into death.

Notes:

  • Nethertoxin's projectile travels at a speed of 2000.
  • All effects of Nethertoxin (including the damage) are provided by an aura. Its debuff lingers for 0.5 seconds.
  • Reduces most heroes' total magic resistance to 18%/14%/10%/6%, assuming basic 25% magic resistance and no other sources of magic resistance.
  • Deals damage in 1-second intervals, starting 1 second after receiving the debuff, resulting in up to 8 instances.
  • Multiple instances of Nethertoxin's debuff do not stack.
  • When leveling up the ability, the magic resistance reduction and damage on already affected units do not update.
    • However, if an enemy receives the debuff after leveling it up, that enemy receives the new magic resistance reduction and damage values.
    • Choosing the talent which adds the silence immediately updates all already existing debuffs.


Corrosive Skin
Corrosive Skin icon.png
Ability
Passive
Affects
Self / Enemies
Damage
Magical
Viper exudes an infectious toxin that damages and slows the attack speed of any enemy that damages it in a 1400 radius. The acid exudate also increases Viper's resistance to magic.
Max Proc Distance: 1400
Magic Resistance Bonus: 10%/15%/20%/25% (Talent 16%/21%/26%/31%)
Damage per Second: 8/16/24/32 (Talent 14/22/30/38)
Attack Speed Slow: 8/16/24/32 (Talent 14/22/30/38)
Duration: 4
Does not pierce spell immunity. Slow persists and attempts to damage if debuff was placed before spell immunity and when not dispelled.
Partially usable by illusions. Everything but the magic resistance bonus works for illusions.
Modifiers
Debuff Corrosive Skin Slow: Dispellable with any dispel.
It is not unusual for sword and shield alike to corrode in the very hands of those who attack the Netherdrake.

Notes:

  • Magic resistance stacks multiplicatively with other sources of magic resistance.
  • Increases Viper's total magic resistance to 33%/36%/40%/44% (Talent 37%/41%/45%/48%), assuming his basic 25% magic resistance and no other sources of magic resistance.
  • The damage and slow debuff is applied to whoever damages Viper within 1400 range of him.
  • Corrosive Skin's damage has the no-reflection flag, preventing its damage from interacting with other sources of damage with the same flag.
  • Only reacts on the 3 damage types. Does not react on damage flagged as HP Removal.
  • Damage dealt by abilities that use an independent source of damage (e.g. Proximity Mines, Death Ward) does not trigger Corrosive Skin on the caster.
  • 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.


Viper Strike
Viper Strike icon.png
Affects
Enemies
Damage
Magical
Viper slows the targeted enemy unit's movement and attack speed while also dealing poison damage over time. The slowing effect reduces over the duration of the poison.
Cast Animation: 0.3+0.53
Cast Range: 500 (Upgradable by Aghanim's Scepter. 900)
Damage per Second: 60/100/145 (Talent 160/200/245)
Move Speed Slow: 40%/60%/80%
Attack Speed Slow: 40/60/80
Duration: 5
Cooldown: 50/40/30 (With Aghanim's: 10)
Mana: 125/175/250 (With Aghanim's: 125)
Aghanim's upgrade: Decreases mana cost and cooldown, and increases cast range.
Blocked by Linken's Sphere. Blocked upon impact.
Modifiers
Debuff Viper Strike Slow: Undispellable.
Once used to slay his sadistic summoner, the most powerful of Netherdrake infections spreads through the veins of those foolish enough to cross Viper.

Notes:

  • Viper Strike's projectile travels at a speed of 1200.
  • The slow decreases over time. Hit units regain 0.3%/0.4%/0.5% of their movement speed and 0.267/0.4/0.533 attack speed on each server tick.
    • This translates to 8%/12%/16% movement speed and 8/12/16 attack speed regained per second.
  • Deals damage in 1 second intervals, starting immediately as the debuff is applied, resulting in 5 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 spell is being cast.


Talents[edit]

Hero Talents
+160 Damage25 Nethertoxin Silences
Poison Attack Affects Buildings20+100 Viper Strike DPS
+6 Corrosive Skin Stats15+125 Attack Range
8% Spell Lifesteal10+25 Attack Speed
Notes:
  • The spell lifesteal talent stacks additively with other sources of spell lifesteal.
  • The spell lifesteal talent heals for 1.6% from non-hero units. Treats creep-heroes as creeps and does not heal off of illusions.
  • This attack damage talent is added as raw attack damage, so it does not benefit illusions, and is not affected by most percentage-based damage increasing or reducing effects.

Recommended items[edit]

Starting items:

Early game:

  • Boots of Speed icon.png Boots of Speed are a standard pickup that give movement speed.
  • Wraith Band icon.png Wraith Band provides a decent boost to Viper's attributes. The extra damage and attack speed help him secure last hits.
  • Infused Raindrop icon.png Infused Raindrop adds extra mana regeneration and protection against magical damage.
  • Magic Wand icon.png Magic Wand offers burst health and mana.

Mid game:

  • Arcane Boots icon.png Arcane Boots expand his mana pool, allowing him to use abilities more often inside and outside of combat.
  • Rod of Atos icon.png 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.png 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.
  • Aghanim's Scepter icon.png Aghanim's Scepter lowers his ultimate's cooldown to 10 seconds and cuts the mana cost in half. Viper can now cast it multiple times in an engagement for offensive or defensive purposes.

Situational items:

  • Veil of Discord icon.png Veil of Discord enhances the magical damage of Viper's entire kit as well as granting attributes and armor.
  • Shadow Blade icon.png 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.png 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.png Sange and Yasha is a common pickup in the midgame. Viper enjoys the additional health and damage, as well as movement speed.
  • Black King Bar icon.png Black King Bar grants spell immunity so Viper can act without worrying about most enemy disables.
  • Monkey King Bar icon.png 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.
  • Nullifier icon.png Nullifier shuts down heroes who rely on items. Viper by nature struggles against mobility items like Force Staff icon.png Force Staff and Blink Dagger icon.png Blink Dagger; he is also vulnerable to disables from Orchid Malevolence icon.png Orchid Malevolence and Scythe of Vyse icon.png Scythe of Vyse. Nullifier also stops targets from activating Black King Bar icon.png Black King Bar, Glimmer Cape icon.png Glimmer Cape and other items that counteract his magic damage.
  • Manta Style icon.png 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.png 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 Nethertoxin), and provides high attack speed to enhance Poison Attack.
  • Heart of Tarrasque icon.png Heart of Tarrasque increases Viper's tankiness. Combined with Corrosive Skin and Guardian Greaves, Viper becomes incredibly hard to put down.
  • Eye of Skadi icon.png 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.
  • Bloodthorn icon.png 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.png 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 (Active) icon.png 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.

Gameplay[edit]

Roles: Carry Carry Durable Durable Initiator Initiator Disabler Disabler
Complexity: ★☆☆
Playstyle: 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. His Poison Attacks cause joints to harden, crippling foes whether they choose to flee or fight. Nethertoxin spreads throughout their body, sapping the will and weakening the spirit. The Netherdrake's tough, Corrosive Skin protects against spellcraft, 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 his next step. If the Netherdrake doesn't finish him off, the venom in his veins will.


Audio[edit]

History[edit]

Equipment[edit]

Trivia[edit]

  • Viper's response ▶️ "Holy shit, it's me!" is a reference to a scene of the movie Top Gun.[1] Gyrocopter minimap icon.png Gyrocopter makes a similar, yet more accurate ▶️ response upon meeting him as an ally.
  • 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).

Gallery[edit]

References[edit]