Controller · Agent

Viper

The American Chemist, Viper deploys an array of poisonous chemical devices to control the battlefield and choke the enemy's vision. If the toxins don't kill her prey, her mindgames surely will.

Viper is a Controller. Viper's signature ability is Toxic Screen, and their ultimate is Viper's Pit.

Viper full portrait
Role
Controller
Signature (E)
Toxic Screen
Ultimate (X)
Viper's Pit
Released
Closed beta, patch 0.49 (April 28, 2020)

What are Viper's abilities?

How has Viper changed in every patch?

All patch notes →

Viper has been changed in 39 patches, from patch 0.49 to patch 12.09: 39 buffs, 29 nerfs and 25 bug fixes. Newest changes first.

  1. Patch 12.09
    • BugfixBuff Viper's Pit: Fixed a bug where Sova's Recon Bolt and Chamber's Trademark were not affected by nearsightedness
  2. Patch 12.08
    • Toxin
      • Fixed a bug where players resurrected by Sage inside of Viper's Decaying abilities would not gain Decay.
  3. Patch 12.06
    • Adjustment Viper's Pit: Chemical cloud has been updated to be more consistent in the way it spreads around map geometry.
  4. Patch 12.01
    • Bugfix Viper's Pit: Fixed a bug where it was only showing inconsistent VFX when an observer was on freecam within it.
  5. Patch 12.00
    • BugfixBuff Poison Cloud: Fixed an issue where throw animations would break if aiming straight down
  6. Patch 11.09
    • Bugfix Snake Bite: Fixed a bug where the visual effects didn’t fade at the same time for allies and enemies
    • Bugfix Viper's Pit: Fixed a bug that caused it to linger in front of you when unequipped without casting
  7. Patch 11.08
    • Toxin
      • Initial contact Decay reduced from 30 → 10 health
  8. Patch 10.09
  9. Patch 10.00
    • BugfixNerf Poison Cloud: Fixed an issue where shooting through Poison Cloud could cheat wall penetration if they were placed too close to level geometry
  10. Patch 9.03
    • Adjustment Snake Bite: Improvement to spread more consistently and only apply damage in places that are consistent with the visuals
    • Buff Snake Bite: Now damages map objects
  11. Patch 8.08
    • Fuel
      • Minimum fuel needed to activate smoke increased 20% → 30%
      • Max uptime on each individual smoke source reduced 13.5 → 12s
      • Fuel drain increased from 1 every 0.135 to 1 every 0.12 s
      • Fuel drain for both smokes being active increased from 1 every 0.09 to 1 every 0.08 s
    • Nerf Snake Bite: Charges reduced 2 → 1
    • Nerf Snake Bite: Price increased 200 → 300
    • Buff Snake Bite: Duration increased 5.5 → 6.5s
    • Buff Poison Cloud: Cooldown on re-activating smokes after putting them down reduced 5.5 → 5s
    • Nerf Poison Cloud: Can now only be picked up during the Buy Phase
    • Buff Toxic Screen: Cooldown on re-activating smokes after putting them down reduced 5.5 → 5s
  12. Patch 8.02
    • Toxin
      • Art update for debuff VFX
      • This is part of a miscellaneous change affecting the Decay debuff overall
    • Adjustment Poison Cloud: Art update for grenade
  13. Patch 7.10
    • BugfixNerf Viper's Pit: Fixed an issue where it did not correctly block vision for enemies on the minimap and megamap.
  14. Patch 7.09
    • Fuel
      • Max uptime on each individual smoke source reduced 15 → 13.5 s
      • Fuel drain increased from 1 every 0.15 to 1 every 0.135 s
      • Fuel drain for both smokes being active increased from 1 every 0.1 to 1 every 0.09 s
      • This is an undocumented change
    • Buff Poison Cloud: Cooldown on re-activating smokes after putting them down reduced 8 → 5.5s
      • This was an undocumented change. Clarified in an X (formerly Twitter) post.
    • Buff Toxic Screen: Cooldown on re-activating smokes after putting them down reduced 8 → 5.5s
      • This was an undocumented change. Clarified in an X (formerly Twitter) post.
  15. Patch 7.04
  16. Patch 6.11
    • Fuel
      • Reduced regeneration per second 5% → 3.3%
      • Regenerate to max fuel once empty 20s → 30s
  17. Patch 6.00
    • BugfixNerf Viper's Pit: Can no longer be deactivated while suppressed
  18. Patch 5.12
    • Buff Snake Bite: Now deals damage to all enemy objects
    • Adjustment Snake Bite: Damage multiplier against specific enemy abilities set to 50%
      • The correct functionality is undocumented, instead officially being documented as affecting any non-player object (see Health#Abilities)
    • Nerf Viper's Pit: Smoke integrity regen time 5 s → 25 s
    • Nerf Viper's Pit: Max time out of smoke decreased 15 s → 8 s
    • Nerf Viper's Pit: Ultimate points required 7 → 8
  19. Patch 5.08
    • BugfixNerf Toxic Screen: Fixed a bug where Toxic Screen could have small gaps around ground level in specific map locations
  20. Patch 4.11
    • Bugfix Fixed a bug where Toxic Screen and Poison Cloud would sometimes disappear from the minimap
  21. Patch 4.04
    • Nerf Removed delay on Toxic Screen and Poison Cloud disabling when Viper is suppressed
    • Added Added a unique VO line that plays when Toxic Screen or Poison Cloud are disabled by suppress
    • Adjustment Toxic Screen and Poison Cloud emitters now have yellow lights to indicate when the abilities are on cooldown
    • Fuel
      • Fuel drain increased 50% when Toxic Screen and Poison Cloud are both active.
      • Fuel bar now turns red when Viper does not have enough to activate her abilities.
    • Nerf Toxic Screen: Cooldown after deactivating increased 6 → 8
    • Nerf Toxic Screen: Cooldown timer now starts when her smoke starts dissipating instead of when the deactivation telegraph plays
      • Cooldown displayed on HUD actually starts on deactivation telegraph but combines both the deactivation and cooldown durations
    • Buff Toxic Screen: Deactivation delay decreased 1 →.8
    • Bugfix Toxic Screen: Fixed a bug where audio could play in the next round if the screen is activated right on round end
    • Nerf Poison Cloud: Cooldown after deactivating increased 6 → 8
    • Nerf Poison Cloud: Cooldown timer now starts when her smoke starts dissipating instead of when the deactivation telegraph plays
      • Cooldown displayed on HUD actually starts on deactivation telegraph but combines both the deactivation and cooldown durations
    • Buff Poison Cloud: Deactivation delay decreased 1 →.8
    • Nerf Snake Bite: Duration decreased 6.5 → 5.5
    • Buff Viper's Pit: Improved the system used to place Viper's Pit at targeted ground location
  22. Patch 4.03
    • BugfixNerf Viper's Pit: Fixed an exploit where, using specific line-ups, it was possible to see inside the pit without being affected by the nearsighted debuff
    • BugfixBuff Viper's Pit: Fixed a bug where the pit would sometimes fail to expand through doorways
  23. Patch 3.07
    • Nerf Poison Cloud: Updated the visuals for the dissolving effect seen within the smoke to better match the visuals seen from the outside, in an attempt to remove any type of peeker’s advantage when playing from within the smoke
    • BugfixNerf Toxic Screen: Passing through the highest portion now correctly applies instant decay to high-flying Agents
  24. Patch 3.05
    • Bugfix Poison Cloud: Fixed a bug where concurrent, overlapping ally and enemy Poison Clouds could cause the nearsight and decay to never remove
  25. Patch 3.04
    • Fuel
      • Fuel will no longer continue to drain after Toxic Screen or Poison Cloud go down if Viper is suppressed right as she activates them
  26. Patch 3.03
    • BugfixNerf Viper's Pit: Reverted an accidentally shipped bug that caused Viper's Pit to start forming at the cursor placement point instead of around Viper
  27. Patch 3.00
    • Nerf Snake Bite: Duration reduced 8 → 6.5
    • Nerf Snake Bite: Cost increased 100 → 200
    • Buff Snake Bite: Outer edges form faster to ensure it is lethal if an enemy sits in the entire duration
  28. Patch 2.09
    • Toxin
      • Decay inflicted on initial contact reduced 50 HP → 30 HP
  29. Patch 2.08
    • BugfixBuff Poison Cloud: Fixed Poison Cloud pickup distance being 200 instead of the intended 400
    • BugfixNerf Toxic Screen: Fixed Toxic Screen going longer than intended when it passed through the teleporter on Bind
  30. Patch 2.07
    • Toxin
      • Fixed a bug when calculating if damage taken while decayed should be lethal for players with armor
      • Most noticeably, this was causing Marshal shots when the target was decayed 50 to reduce the enemy to 1 health instead of killing them
  31. Patch 2.06
    • BugfixBuff Fixed unintentional delay when deactivating Poison Cloud or Toxic Screen
    • Toxin
      • Now instantly inflicts 50 HP Decay on initial contact
      • Decay over time decreased 15 HP/sec → 10 HP/sec
      • HP regen delay once no longer affected by Toxin decreased 2.5 seconds → 1.5 seconds
    • Buff Snake Bite: Equip time decreased 1.1 →.8
    • Nerf Poison Cloud: Held charge is now temporary if gained from picking up a placed emitter and will not carry over to the next round
    • Buff Poison Cloud: Can now immediately be redeployed when picked up
    • Buff Poison Cloud: Pickup distance increased 200 → 400
    • Buff Poison Cloud: If active when Viper dies, Poison Cloud now remains up for an additional 2 seconds, or until Viper runs out of fuel.
    • Buff Toxic Screen: If active when Viper dies, Toxic Screen now remains up for an additional 2 seconds before deactivating
    • Buff Toxic Screen: Full blind distance from the wall increased to better match the blind distance from the edge of smokes
  32. Patch 1.09
    • Fuel
      • Amount of fuel at round start increased 50 → 100
    • Buff Snake Bite: Vulnerable debuff now lingers for 2 seconds after leaving Snake Bite
    • Buff Viper's Pit: Move speed doubled while casting
    • Buff Viper's Pit: Now fast equips weapon after casting
      • Re-equip times vary per gun—but on average will reduce weapon down time by.4 seconds
  33. Patch 1.07
    • Toxin
      • Decay on all smoke abilities no longer affects allies
    • Buff Toxic Screen: Toxic Screen can now be placed during the buy phase of rounds, through spawn barriers
    • Buff Toxic Screen: Toxic Screen now goes up faster along its full length, once it starts to form
    • Viper's Pit Viper’s Pit
      • The area of Viper’s Pit is now shown on her team’s minimap when deployed.
  34. Patch 1.05
    • BugfixBuff Toxic Screen: Fixed nearsight not applying properly when going through Toxic Screen
  35. Patch 1.04
    • Fuel
      • Having both Poison Cloud and Toxic Screen active does not consume additional fuel beyond the cost of having one active
    • Toxin
      • Enemy decay per second increased 10 → 15
      • After exiting Viper's smoke, enemy decay sustains for 2.5 seconds before starting to fade
    • Buff Viper's Pit: Max time allowed outside the cloud before it collapses increased 5 → 15 seconds
    • Buff Viper's Pit: Can now hold the ability key to drop the ult early
    • Buff Viper's Pit: Enemies in Viper’s Pit now have their minimap obscured and do not provide minimap detection to their allies
    • Buff Viper's Pit: Increased the brightness of the red enemy glow at the edge of Viper's near-sight
  36. Patch 1.02
    • Buff Snake Bite: Applies Vulnerable to enemies for a short time
      • Total damage taken from Snake Bite is unchanged
    • Nerf Poison Cloud: Activation cooldown increased.5s → 6s
    • Buff Toxic Screen: Now burns through walls, placing emitters at all valid locations (e.g., the ground) over its length
  37. Patch 1.00
    • BugfixNerf Poison Cloud: Fixed the ability to activate Poison Cloud mid air if it has been picked up
    • Bugfix Toxic Screen: Closed exploit where Nvidia Inspector could be used to see through Toxic Screen
    • BugfixNerf Toxic Screen: Fixed a bug that let players use Toxic Screen's emitter deployment as a projectile boost
  38. Patch 0.50
    • Buff Snake Bite: Radius increased 350 → 450
    • Buff Snake Bite: Height required to jump out of Snake Bite increased 80 >> 120
    • Buff Snake Bite: Damage tick speed increased (total damage per second unchanged)
    • Buff Poison Cloud: No longer enters cooldown when picked up during the buy phase.
  39. Patch 0.49
    • BugfixBuff Toxic Screen: Updated the appearance of Toxic Screen on the minimap to show gaps in the wall
    • BugfixNerf Viper's Pit: Fixed Viper being able to animation-cancel Viper’s Pit

Patch change data adapted from Viper's update history on the VALORANT Wiki, licensed CC BY-SA 3.0.

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