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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.
- Casting Poison Attack manually uses the 600 ( 725) cast range. Attacking normally with Poison Attack on autocast uses Viper's 575 ( 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 allows Poison Attack to target buildings, damaging and slowing them.
- 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.
- Can deal up to 240/360/480/600 damage to a single unit (before reductions).
- 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.
- Magic resistance stacks multiplicatively with other sources of magic resistance.
- Increases Viper's total magic resistance to 33%/36%/40%/44% ( 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. , ) 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.
- Can deal a total of 32/64/96/128 ( 56/88/120/152) damage (before reductions).
- Successive procs of Corrosive Skin on the same target do not stack, only the debuff gets refreshed.
- 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.
- Can deal up to 300/500/725 ( 800/1000/1225) damage (before reductions).
- 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.
|+6Stats||15||+125 Attack Range|
|8% Spell Lifesteal||10||+25 Attack Speed|
- The attack range talent also affects the cast range of .
- 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.
- helps Viper stay in lane.
- provides health regeneration and burst mana.
- gives attack damage and burst HP.
- increases attributes and healing with Tango.
- are a standard pickup that give movement speed.
- provides a decent boost to Viper's attributes. The extra damage and attack speed help him secure last hits.
- adds extra mana regeneration and protection against magical damage.
- offers burst health and mana.
- expand his mana pool, allowing him to use abilities more often inside and outside of combat.
- 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 gives Viper access to a
- , 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.
- 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.
- enhances the magical damage of Viper's entire kit as well as granting attributes and armor.
- 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.
- status resistance and evasion. 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
- is a common pickup in the midgame. Viper enjoys the additional health and damage, as well as movement speed.
- grants spell immunity so Viper can act without worrying about most enemy disables.
- blind. 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
- shuts down heroes who rely on items. Viper by nature struggles against mobility items like and ; he is also vulnerable to disables from and . Nullifier also stops targets from activating , and other items that counteract his magic damage.
- 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.
- 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, and provides high attack speed to enhance Poison Attack.
- increases Viper's tankiness. Combined with Corrosive Skin and Butterfly, Viper becomes incredibly hard to put down.
- 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.
- 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.
- 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.
- 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.
|Roles:||Carry Durable Initiator Disabler|
|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.|
- Viper's response ▶️ "Holy shit, it's me!" is a reference to a scene of the movie Top Gun. 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, 's translation still uses the word "Viper" (蝮蛇, fùshé).
Model before Version 7.00