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Viper/Changelogs

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Version History[]

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.
  • Viper Strike icon Viper Strike
    • Increased projectile speed from 1200 to 1500.
    • Increased attack speed slow from 40/60/80 to 80/120/160.
    • Reduced damage per second from 80/120/160 to 70/110/150.
    • Increased duration from 5 to 6.
  • Aghanim's Scepter icon Aghanim's Scepter upgrade:
    • Increased Nosedive icon Nosedive cast range from 375 to 475.
  • Reduced base health from 200 to 120.
  • Increased Viper Strike icon Viper Strike cast range from 500 on each level to 700/800/900.
  • Reduced Poison Attack icon Poison Attack movement speed slow per stack from 6%/8%/10%/12% to 3%/6%/9%/12%.
  • Increased Poison Attack icon Poison Attack mana cost from 18/20/22/24 to 24 on each level.
  • Reduced Nethertoxin icon Nethertoxin duration from 8 on each level to 6.5/7/7.5/8.
  • Reworked
    Aghanim's Scepter icon Aghanim's Scepter upgrade:
    • Old
      Viper Strike icon Viper Strike
      • Increases cast range to 900.
      • Reduces mana cost to 125.
      • Reduces cooldown to 10.
    • New
      • Adds a 500-radius aura to Corrosive Skin icon Corrosive Skin which doubles the ability's slow and damage values on enemies, and also causes the ability to deal the first instance of damage the moment the debuff is applied.
      • Also grants Viper minimap icon Viper the Nosedive icon Nosedive ability.
Nosedive icon Nosedive
Viper slams into the ground, disarming each enemy within radius and splattering everyone with the effect of Corrosive Skin.
Cast point: 0.1+0
Cast range: 300
Effect Radius: 1200
Disarm radius: 500
Disarm duration: 4
Cooldown: 20
Mana cost: 75
  • Increased Agility attribute symbol agility gain from 2.5 to 2.7.
  • Increased Poison Attack icon Poison Attack magic resistance reduction per stack from 3%/5%/7%/9% to 4%/6%/8%/10%.
  • Increased Nethertoxin icon Nethertoxin max damage per second from 60/80/100/120 to 80/100/120/140.
  • Increased Viper Strike icon Viper Strike damage per second from 60/100/145 to 80/120/160.
Old
Poison Attack icon Poison Attack
Causes Viper's attacks to slows attack and movement speed while dealing damage over time based on the amount of health the target is missing.
Cast range: 600
Damage per missing health: 0.5/0.75/1/1.25
Movement speed slow: 10%/20%/30%/40%
Attack speed slow: 10/20/30/40
Duration: 3
Mana cost: 40/35/30/25
Cooldown: 6/4/2/0
Notes: Active attack modifier. Uses the cast range on manual cast, but the default attack range on autocast.
New
Poison Attack icon Poison Attack
Causes Viper's attacks to apply a stacking movement speed slow and magic resistance deduction while dealing damage over time.
Cast range: 600/640/680/720
Damage per second per stack: 4/8/12/16
Movement speed slow per stack: 6%/8%/10%/12%
Magic resistance reduction per stack: 3%/5%/7%/9%
Max stacks: 5
Duration: 4
Mana cost: 20
Cooldown: 0
Notes: Active attack modifier. Uses the increased range on manual cast and on Autocast.
Old
Nethertoxin icon Nethertoxin
Releases a Nethertoxin at the targeted area. Units in that area take damage over time and their passives do not work.
Cast range: 900
Radius: 380
Damage per second: 30/45/60/75
Magic resistance reduction: 10%/15%/20%/25%
Duration: 8
Mana cost: 70/80/90/100
Cooldown: 6
Notes: The projectile travels at a speed of 2000. Damage, magic resistance reduction, and break are provided by an aura that lingers for 0.5 seconds. Multiple instances do not stack. Deals damage in 1-second intervals.
New
Nethertoxin icon Nethertoxin
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, have lower resistance and their passives do not work.
Cast range: 900
Radius: 400
Min damage per second: 15/20/25/30
Max damage per second: 60/80/100/120
Max damage duration: 4
Duration: 8
Mana cost: 70/80/90/100
Cooldown: 14
Notes: The projectile travels at a speed of 2000. Damage and break are provided by an aura that lingers for 0.5 seconds. Multiple instances do not stack. Deals damage in 0.5-second intervals.
  • Increased Poison Attack icon Poison Attack damage per missing health point from 0.25/0.5/0.75/1 to 0.5/0.75/1/1.25.
  • Reduced Agility attribute symbol agility gain from 3.3 to 2.8.
  • Poison Attack icon Poison Attack
    • Reduced movement speed slow from 25%/30%/35%/40% to 10%/20%/30%/40%.
    • Reduced attack speed slow from 25/30/35/40 to 10/20/30/40.
  • Nethertoxin icon Nethertoxin
    • The damage per second of multiple overlapping instances no longer stacks. [?]
    • Increased mana cost from 75 on each level to 70/80/90/100.
  • Increased Agility attribute symbol agility gain from 2.9 to 3.3.
  • Nethertoxin icon Nethertoxin
    • Increased radius from 350 to 380.
    • Increased damage per second from 20/35/50/65 to 30/45/60/75.
  • Reduced base health regeneration from 1.5 to 0.
  • Reduced base mana regeneration from 0.9 to 0.
  • Nethertoxin icon Nethertoxin
    • Increased radius from 300 to 350.
    • Increased damage per second from 20/30/40/50 to 20/35/50/65.
  • Increased base health regeneration from 0 to 1.5.
  • Increased base mana regeneration from 0.01 to 0.9.
  • Reduced base movement speed from 285 to 275.
  • Reduced base armor from -1 to -2.
  • Increased turn rate from 0.4 to 0.5.
  • Poison Attack icon Poison Attack
    • Changed
      from dealing a fixed 10/16/22/28 damage per stack to dealing 0.25/0.5/0.75/1 damage per missing health to the target.
    • Increased movement speed slow from 10%/20%/30%/40% to 25%/30%/35%/40%.
    • Increased attack speed slow from 10/20/30/40 to 25/30/35/40.
    • Increased debuff duration from 2 to 3.
    • Increased cooldown from 0 on each level to 6/4/2/0.
    • Increased mana cost from 20 on each level to 40/35/30/25.
  • Reworked
    Nethertoxin icon Nethertoxin.
Old
Nethertoxin icon Nethertoxin
Nethertoxin causes Viper's normal attack to deal bonus damage to units based on how much health they are missing. The bonus damage doubles for each 20% of health missing from the target. Nethertoxin deals half damage to creeps and buildings.
Base hero attack damage Bonus: 3/6/9/12
Base non-hero Attack damage Bonus: 1.5/3/4.5/6
Max hero attack damage bonus: 48/96/144/192
Max non-hero attack damage bonus: 24/48/72/96
New
Nethertoxin icon Nethertoxin
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 range: 900
Radius: 300
Damage per second: 20/30/40/50
Magic resistance reduction: 10%/15%/20%/25%
Duration: 8
Mana cost: 75
Cooldown: 5
Notes: Applies Break within the radius. The Break is provided by an aura, which lingers for 0.5 seconds. The damage is independent from the aura, and stacks with multiple instances. The projectile travels at a speed of 2000.
  • Corrosive Skin icon Corrosive Skin
    • No longer slows movement speed by 10%/15%/20%/25%.
    • Rescaled attack speed slow from 10/15/20/25 to 8/16/24/32.
    • Increased damage per second from 10/15/20/25 to 8/16/24/32.
  • Increased Strength attribute symbol strength gain from 2.1 to 2.4.
  • Reduced base health regeneration from 0.25 to 0.
  • Increased base mana from 50 to 75.
  • Viper Strike icon Viper Strike
    • Now deals its first tick of damage immediately, instead of 1 second after the debuff is placed. [?]
    • Reduced cooldown from 70/50/30 to 60/45/30.
  • Nethertoxin icon Nethertoxin
    • Increased attack damage bonus per 20% missing health from 2.5/5/7.5/10 to 3/6/9/12.
    • Increased max hero attack damage bonus from 20/40/60/80 to 24/48/72/96. [?]
  • Increased base health from 150 to 180.
  • Corrosive Skin icon Corrosive Skin
    • Now only procs on enemies within 1400 radius.
    • No longer procs on damage from other Corrosive Skins.
  • Nethertoxin icon Nethertoxin
    • Increased attack damage bonus per 20% missing health from 2/4/6/8 to 2.5/5/7.5/10.
    • Increased max hero attack damage bonus from 16/32/48/96 to 20/40/60/80. [?]
  • Increased Corrosive Skin icon Corrosive Skin debuff duration from 3 to 4.
  • Aghanim's Scepter icon Aghanim's Scepter upgrade
  • Poison Attack icon Poison Attack
    • Damage dealt from ability is now lethal.
    • Increased damage per second from 6/12/18/24 to 10/16/22/28.
  • Corrosive Skin icon Corrosive Skin
    • Increased movement speed slow from 5%/10%/15%/20% to 10%/15%/20%/25%.
    • Increased attack speed slow from 5/10/15/20 to 10/15/20/25.
    • Increased magic resistance bonus from 5%/10%/15%/20% to 10%/15%/20%/25%.
    • Increased damage per second from 5/10/15/20 to 10/15/20/25.
  • Fixed an issue causing the target affected by Viper Strike icon Viper Strike to no longer be deniable.
  • Updated hero model.
  • Added
    new Bound Radius mechanic. [?]
    • Viper minimap icon Viper has the DOTA_HULL_SIZE_HERO hull size. [?]
    • This unit has a 27-radius collision size and a 24-radius bound radius respectively.
Adds a powerful toxin to Viper's attacks. Deals more damage the lower the target's health is. Half damage against non-hero units.
Attack damage bonus per missing 20% hp: 2/4/6/8
Base hero attack damage bonus: 2/4/6/8
Base non-hero Attack damage bonus: 1/2/3/4
Max hero attack damage bonus: 16/32/48/64
Max non-hero attack damage bonus: 32/64/96/128
Notes: Passive ability. Viper's attacks will deal 2/4/6/8 extra damage. This extra damage gets doubled for each 20% health the target is missing. Deals half as much damage against non-hero units. Affects buildings as well.
100%-81% health: 2/4/6/8 damage
80%-61% health: 4/8/12/16 damage
60%-41% health: 8/16/24/32 damage
40%-21% health: 16/32/48/64 damage
20%-1% health: 32/64/96/128 damage
  • Reduced Viper Strike icon Viper Strike cooldown from 80 on each level to 80/50/30.
  • Changed
    Unknown icon Frenzy ability backend operations.
  • Increased Poison Attack icon Poison Attack cooldown from 0 on each level to 4/3/0/0.
  • Updated hero description.
  • Increased Corrosive Skin icon Corrosive Skin debuff duration from 2 to 3.
Old
Precision Aura icon Trueshot Aura
An aura that gives friendly nearby units bonus damage to their ranged attacks.
Radius: 300
Ranged attack damage bonus: 7%/14%/21%/28%
New
Corrosive Skin icon Corrosive Skin
Viper's Body is covered with poison. Any unit that attacks it gets infected. Reduces movement and attack speed and deals minor damage over time.
Damage per second: 5/10/15/20
Movement speed slow: 5%/10%/15%/20%
Attack speed slow: 5/10/15/20
Duration: 2
Notes: Any unit which attacks Viper minimap icon Viper gets poisoned. Debuff does not stack, successive attacks only refresh the duration.
  • Updated hero model.
  • Increased attack point from 0.3 to 0.33.
  • Increased attack backswing from 0.7 to 1.
  • Reduced cast point from 0.5 to 0.3.
  • Reduced cast backswing from 0.83 to 0.51.
  • Changed movement type from Horse to Hover. [?]
  • Changed movement type from Hover to Horse. [?]
  • Reduced base Strength attribute symbol strength from 18 to 17.
  • Reduced Intelligence attribute symbol intelligence gain from 2 to 1.8.
  • Reduced base attack damage from 16‒22 to 15‒18.
  • Increased base attack time from 1.5 to 1.7.
  • Reduced night vision from 1700 to 800.
  • Reduced Unknown icon Frenzy mana cost from 110/125/140/155 to 80/90/110/130.
  • Increased Poison Attack icon Poison Arrows damage per second from 4/8/12/16 to 6/12/18/24.
  • Viper Strike icon Viper Strike
    • Increased damage per second from 50/85/130 to 60/100/145.
    • Reduced cooldown from 100/80/50 to 80 on each level.
  • Reduced Poison Attack icon Poison Arrows mana cost from 14 to 10.
  • Viper Strike icon Viper Strike
    • Increased cast range from 470 to 500.
    • Reduced damage per second from 55/90/150 to 50/85/130.
  • Reduced Unknown icon Frenzy incoming damage amplification from 10%/20%/30%/35% to 5%/10%/15%/20%.
  • Reduced Precision Aura icon Trueshot Aura radius from 900 to 300.
  • Increased Viper Strike icon Viper Strike cast range from 300 to 470.
  • Increased Unknown icon Frenzy mana cost from 100/115/130/145 to 110/125/140/155.
  • Unknown icon Frenzy
    • Reduced attack speed bonus 30/60/90/120 to 25/50/75/100.
    • Reduced incoming damage amplification from 10%/20%/30%/35% to 10%/15%/25%/30%.
    • Increased mana cost from 90/105/120/130 to 100/115/130/145.
  • Reduced Precision Aura icon Trueshot Aura Ranged ranged attack damage bonus from 9%/18%/27%/36% to 7%/14%/21%/28%.
  • Increased base health from 100 to 150.
  • Unknown icon Frenzy
    • Reduced bonus attack speed 50/80/120/160 to 30/60/90/120.
    • Increased incoming damage amplification from 10%/15%/20%/25% to 10%/20%/30%/35%.
    • Increased cooldown from 10 to 40.
  • Increased Poison Attack icon Poison Arrows mana cost from 13 to 14.
  • Removed
    Aghanim's Scepter icon Aghanim's Scepter upgrade for Viper minimap icon Viper.
    • No longer increases Viper Strike icon Viper Strike damage per second to 55/90/150.
Old
Disruption icon Dark Prison
Traps the subject in a magical prison.
Stun duration: 3/4.5/6
Cast range: 600
Mana cost: 150
Cooldown: 35
New
Viper Strike icon Viper Strike
Strike with a vicious bite, slowing movement and attack speeds significantly and dealing poison damage over time.
Cast range: 300
Projectile speed: 1200
Damage per second: 40/70/110
Attack speed slow: 40/60/80
Movement speed slow: 40%/60%/80%
Duration: 5.1
Mana cost: 125/175/250
Cooldown: 100/80/50
  • Reduced Unknown icon Frenzy mana cost from 100/115/130/145 to 90/105/120/130.
  • Reduced Poison Attack icon Poison Arrows mana cost from 16 to 13.
  • Increased Unknown icon Frenzy mana cost from 100 on each level to 100/115/130/145.
  • Poison Attack icon Poison Arrows
    • No longer grants 10/20/30/40 attack damage bonus per stack.
    • Reduced damage per second from 5/10/15/20 to 4/8/12/16.
    • Reduced duration from 3 to 2.
    • Increased mana cost from 8 to 16.
  • Added
    a 4th level to all basic abilities.
  • Unknown icon Frenzy
    • Rescaled incoming damage amplification from 10%/20%/25% to 10%/15%/20%/25%.
    • Rescaled attack speed bonus from 50/100/150 to 50/80/120/160.
    • Rescaled duration from 15/30/45 to 20.
    • Increased mana cost from 60 to 100.
    • Reduced cooldown from 60 to 10.
  • Added
    Poison Attack icon Poison Arrows.
    • This ability now takes the second ability slot.
Coats Viper's arrows with poison. Adds bonus damage, applies a debuff that reduces movement speed, attack speed and applies a DPS.
Cast range: 600
Damage bonus: 10/20/30/40
Movement speed slow: 10%/20%/30%/40%
Attack speed slow: 10/20/30/40
Damage per second: 5/10/15/20
Duration: 3
Mana cost: 8
  • Rescaled Precision Aura icon Trueshot Aura Ranged ranged attack damage bonus from 15%/30%/45% to 9%/18%/27%/36%.
  • Removed
    Unknown icon Haste.
  • Moved
    Disruption icon Dark Prison to the fourth ability slot.
    • This is now Viper minimap icon Viper's ultimate ability.
    • Reduced cast range from 700 to 600.
    • Increased hero stun duration from 2/3/4 to 3/4.5/6.
    • Reduced non-hero stun duration from 9/18/24 to 3/4.5/6.
    • Increased mana cost from 110 to 150.
    • Increased cooldown from 30 to 35.
  • Disruption icon Dark Prison
    • Reduced duration from 4/6/8 to 2/3/4.
    • Reduced cooldown from 75 to 30.
    • Increased mana cost from 90 to 110.
  • Reduced Disruption icon Dark Prison cooldown from 15 to 75.
  • Unknown icon Frenzy
    • Reduced attack speed bonus from 75/150/225 to 50/100/150.
    • Increased cooldown from 35 to 60.
  • Reworked
    Unknown icon Frenzy.
    • No longer drains 4/7/10 health per second.
    • Changed
      ability targeting type from Target Units to No Target.
    • Now only affects self.
    • Now increases incoming damage by 10%/20%/25%.
    • Rescaled duration from 20/30/40 to 15/30/45.
    • Increased mana cost from 50 to 60.
    • Increased cooldown from 14 to 35.
  • Increased Unknown icon Frenzy cooldown from 1 to 14.
Old
Unknown icon Healing Wave
Calls forth a wave of energy that heals a target and bounces to nearby friendlies. Each bounce heals for less damage.
Cast range: 700
Bounce radius: 500
Number of bounces: 3/4/5
Base heal: 130/215/300
Bounce heal heduction: 25%
Mana cost: 90
Cooldown: 9
New
Disruption icon Dark Prison
Traps the subject in a magical prison.
Cast range: 700
Hero stun duration: 4/6/8
Non-Hero stun duration 9/18/24
Mana cost: 90
Cooldown: 15
  • Moved
    Precision Aura icon Trueshot Aura to the third ability slot.
  • Unknown icon Haste
    • Moved
      to the fourth ability slot. This is now Viper minimap icon Viper's ultimate ability.
    • Increased bonus movement speed from 15%/30%/45% to 30%/60%/90%.
    • Increased bonus attack speed from 10%/20%/30% to 20%/40%/60%.
    • Reduced duration from 60 to 20 seconds.
    • Increased mana cost from 30 to 60 seconds.
    • Increased cooldown from 30 to 50 seconds.
  • Unknown icon Frenzy can now be cast on allied units.

Patch History[]

Patch
Description
  • Typing Netherdrake in the hero selection now highlights Viper minimap icon Viper.
  • Increased versus scale from 0.57 to 0.74.
  • Added
    new Adjectives attributes. [?]
    • Viper minimap icon Viper has the following values: Arachnophobic 1, Flying 1, Green 1, Wings 1, Legs 0 and Nose 1.
  • Updated default hero model.
  • Fixed Nethertoxin icon Nethertoxin's damage sound being located on the caster, instead of the affected enemy.
    • Reduced the damage sound's soundlevel from 78 to 75.
    • Reduced sound limiter amount from 7 to 5 max instances.
  • Fixed Poison Attack icon Poison Attack passively granting increased attack range against buildings.
  • Minor updates and optimization to hero animations.
  • Split up back item slot into back and tail slots in loadout. [?]
  • Fixed Nethertoxin icon Nethertoxin projectile dummy units pointing to the personal folder of Brandon.
  • Added tooltip modifier for Nethertoxin icon Nethertoxin: Passive abilities disabled, and Magic Resistance reduced by <value>.
  • Added attack speed activity modifiers and movement speed activity modifiers for Viper minimap icon Viper.
    • These modifiers are used to trigger different animations at different speeds.
  • Viper minimap icon Viper is disabled for new restricted accounts.
  • Reworked
    default hero model.
    • Updated minimap icon.
  • Fixed rare case where Corrosive Skin icon Corrosive Skin would stop damaging/slowing enemies when they got debuffed by illusions first.
  • Updated Corrosive Skin icon Corrosive Skin ability tooltip to state that it is applied to an enemy when an attack hits.
  • Updated various hero related sound effects.
  • Fixed having 1 more armor than intended.
  • Fixed Corrosive Skin icon Corrosive Skin to happen at the start of the attack animation rather than at the end of it.
  • Fixed Corrosive Skin icon Corrosive Skin to happen at the start of the attack animation rather than at the end of it.
  • Fixed Corrosive Skin icon Corrosive Skin having a bug that caused it to not work properly.
  • Fixed Viper Strike icon Viper Strike slow doing maximum power for the entire duration instead of falling off.
  • Removed from new heroes list.
    • Viper minimap icon Viper will not be the only ones chosen with Random Hero.
  • Nethertoxin icon Nethertoxin
    • Fixed a bug where debuff wouldn't do any damage to the creeps that it had poisoned.
    • Fixed ability working on allied units for denies.
  • Fixed Corrosive Skin icon Corrosive Skin working on buildings.
  • Fixed Viper Strike icon Viper Strike not slowing spell immune units.
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