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Viper
Viper portrait icon
Dragon icon Poisoner icon
Tier Four
Level
One star icon Two star icon Three star icon
&&&&&&&&&&&&&900.&&&&&0900 &&&&&&&&&&&&1800.&&&&&01,800 &&&&&&&&&&&&3600.&&&&&03,600
70 70 70
70 140 280
[60/80] [120/160] [240/320]
1.00 1.00 1.00
Move Speed
275 275 275
3 3 3
20 20 20
5 5 5

Viper is a Tier Four hero in Dota Underlords. Viper has Dragon Dragon ii and Poisoner Poisoner ii alliances.

Abilities

Nethertoxin

Nethertoxin

Cooldown icon Cooldown: 6.0 seconds
Mana Icon Mana Cost: 70 Mana
Damage icon Damage Type: Pure
Viper poisons a cell, dealing [100/150/225] damage per second to any enemy unit in it, Root icon rooting them and applying Break icon break.
Tread carefully Slark, trying to rob me won't end well for you - In which O'nia reveals her hired muscle
Notes:
  • Lasts 5 seconds.
Corrosive Skin

Corrosive Skin

Damage icon Damage Type: Magical
Unlocked by the Dragon Dragon ii alliance bonus

Passive: Viper exudes an infectious toxin that applies a stack of Poison icon Poison and slows the attack speed by [20/30/40] of any enemy that damages it for 2 seconds. The acid exudate also increases Viper's magic resistance by [30/50/70].

I'd love to figure out a way to make a coat out of that one... - Carl, Big Dreams

Old Ability

Viper 3 Star Effect

Viper 3 Star Effect

At three stars, Viper performs a Viper Strike every 5 attacks. The enemy unit takes 250 damage per second and loses 80% move speed and 80 Attack Speed, with the slowing tapering off over the 3 second duration.
Viper Strike

Viper Strike

Cooldown icon Cooldown: 3.00 seconds
Mana Icon Mana Cost: 100 Mana
Viper's acidic venom slows an enemy unit's movement and attack speed by [-40/-60/-80]% while also dealing [150/250/350] poison damage over time.

The slowing effect fades over the duration of the poison.

We're not that different... I too, know what it means to be a slave. - Quiet, Plotting Automaton
Notes:
  • Viper Strike has a duration of 5 seconds.
    • The total damage is [750/1250/1750].

Equipment

2-star equipment based on Fervid Monarch

3-star equipment based on Sign of the Netherfrost

Responses

Main article: Viper/Responses


Change logs

August 27, 2020 Patch
  • Tier changed from 3 to 4. Alliances changed from Dragon Dragon ii Assassin Assassins ii to Dragon Dragon ii Poisoner Poisoner ii.
  • Health changed from [825/1,650/4,500] to [900/1,800/3,600]
  • Attack Damage Minimum changed from [50, 100, 240] to [60, 120, 240]
  • Attack Damage Maximum changed from [60, 120, 360] to [80, 160, 320]

June 12, 2020 Patch

  • At three stars, Viper performs a Viper Strike every 5 attacks. The enemy unit takes 250 damage per second and loses 80% move speed and 80 Attack Speed, with the slowing tapering off over the 3 second duration.

February 25, 2020 Patch

  • Corrosive skin icon Corrosive Skin:
    • Instead of dealing damage over time, Corrosive Skin now applies a stack of Poison to Viper's attacker.

January 16, 2020 Patch

  • Nethertoxin icon Nethertoxin:
    • Damage changed from [100, 200, 300] to [100, 150, 225]

December 18, 2019 Patch

November 07, 2019 Patch

  • Nethertoxin icon Nethertoxin:
    • Damage changed from [50, 100, 150] to [100, 200, 300].

October 10, 2019 Patch

  • Max Mana is now 50.

October 02, 2019 Patch

July 12, 2019 Patch

  • Maximum Health changed from [550, 1100, 2200] to [550, 1100, 3000].
  • Attack Damage Minimum changed from [50, 100, 150] to [50, 100, 240].
  • Attack Damage Maximum changed from [60, 120, 240] to [60, 120, 360].

June 25, 2019 Patch

  • Dragon Dragon ii Alliance now unlocks Corrosive skin icon Corrosive Skin.
Units
Tier One Anti-mage mini icon Anti-Mage  •  Batrider mini icon Batrider  •  Bounty hunter mini icon Bounty Hunter  •  Crystal maiden mini icon Crystal Maiden  •  Dazzle mini icon Dazzle  •  Drow ranger mini icon Drow Ranger  •  Enchantress mini icon Enchantress  •  Lich mini icon Lich  •  Magnus mini icon Magnus  •  Phantom assassin mini icon Phantom Assassin  •  Shadow demon mini icon Shadow Demon  •  Slardar mini icon Slardar  •  Snapfire mini icon Snapfire  •  Tusk mini icon Tusk  •  Vengeful spirit mini icon Vengeful Spirit  •  Venomancer mini icon Venomancer
Tier Two Bristleback mini icon Bristleback  •  Chaos knight mini icon Chaos Knight  •  Earth spirit mini icon Earth Spirit  •  Juggernaut mini icon Juggernaut  •  Kunkka mini icon Kunkka  •  Legion commander mini icon Legion Commander  •  Luna mini icon Luna  •  Meepo mini icon Meepo  •  Nature's prophet mini icon Nature's Prophet  •  Pudge mini icon Pudge  •  Queen of pain mini icon Queen of Pain  •  Spirit breaker mini icon Spirit Breaker  •  Storm spirit mini icon Storm Spirit  •  Windranger mini icon Windranger
Tier Three Abaddon mini icon Abaddon  •  Alchemist mini icon Alchemist  •  Beastmaster mini icon Beastmaster  •  Ember spirit mini icon Ember Spirit  •  Lifestealer mini icon Lifestealer  •  Lycan mini icon Lycan  •  Omniknight mini icon Omniknight  •  Puck mini icon Puck  •  Shadow shaman mini icon Shadow Shaman  •  Slark mini icon Slark  •  Spectre mini icon Spectre  •  Terrorblade mini icon Terrorblade  •  Treant protector mini icon Treant Protector
Tier Four Death prophet mini icon Death Prophet  •  Doom mini icon Doom  •  Lina mini icon Lina  •  Lone druid mini icon Lone Druid  •  Mirana mini icon Mirana  •  Pangolier mini icon Pangolier  •  Rubick mini icon Rubick  •  Sven mini icon Sven  •  Templar assassin mini icon Templar Assassin  •  Tidehunter mini icon Tidehunter  •  Viper mini icon Viper  •  Void spirit mini icon Void Spirit
Tier Five Axe mini icon Axe  •  Dragon knight mini icon Dragon Knight  •  Faceless void mini icon Faceless Void  •  Keeper of the light mini icon Keeper of the Light  •  Medusa mini icon Medusa  •  Troll warlord mini icon Troll Warlord  •  Wraith king mini icon Wraith King
Underlords Anessix mini icon Anessix  •  Enno mini icon Enno  •  Hobgen mini icon Hobgen  •  Jull mini icon Jull
Out of Season Arc warden mini icon Arc Warden  •  Bloodseeker mini icon Bloodseeker  •  Broodmother mini icon Broodmother  •  Clockwerk mini icon Clockwerk  •  Disruptor mini icon Disruptor  •  Enigma mini icon Enigma  •  Io mini icon Io  •  Gyrocopter mini icon Gyrocopter  •  Morphling mini icon Morphling  •  Necrophos mini icon Necrophos  •  Nyx assassin mini icon Nyx Assassin  •  Ogre magi mini icon Ogre Magi  •  Razor mini icon Razor  •  Shadow fiend mini icon Shadow Fiend  •  Sand king mini icon Sand King  •  Sniper mini icon Sniper  •  Techies mini icon Techies  •  Timbersaw mini icon Timbersaw  •  Tinker mini icon Tinker  •  Tiny mini icon Tiny  •  Warlock mini icon Warlock  •  Weaver mini icon Weaver  •  Witch doctor mini icon Witch Doctor
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