Snake Bite
EQUIP a chemical launcher. FIRE to launch a canister that shatters upon hitting the floor, creating a lingering chemical zone that damages and applies Vulnerable.

Controller · Season 2026 Act VI
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. Data
Controller: Controllers are experts in slicing up dangerous territory to set their team up for success.
From the game data · client 13.08
EQUIP a chemical launcher. FIRE to launch a canister that shatters upon hitting the floor, creating a lingering chemical zone that damages and applies Vulnerable.
EQUIP a gas emitter. FIRE to throw the emitter that perpetually remains throughout the round. ALT FIRE to lob. RE-USE the ability to create a toxic gas cloud that Decays opponents inside it at the cost of fuel. This ability can be picked up to be REDEPLOYED before the round starts and can be RE-USED more than once throughout the round.
EQUIP a gas emitter launcher that penetrates terrain. FIRE to deploy a long line of gas emitters. RE-USE the ability to create a tall wall of toxic gas that Decays opponents that cross it at the cost of fuel. This ability can be RE-USED more than once.
EQUIP a chemical sprayer. FIRE to spray a chemical cloud in all directions around Viper, creating a large cloud that Nearsights players and Decays the health of enemies inside of it. HOLD the ability key to disperse the cloud early.
You gradually generate and replenish the toxin that fuels your abilities. Enemies that cross through Viper's Poison Cloud, Toxic Screen, or Viper's Pit are instantly inflicted with at least 30 Decay. Their Decay level increases the longer they remain in contact with it.
Ability names and descriptions are Riot’s in-game text; keys are the default bindings (C, Q, E, X for the ultimate). Data
Ranked, all ranks · 25 September 2026
MetaBot ranked data across all ranks, as published 25 September 2026 Community. Community statistics, not Riot figures. Patch 13.08 made no agent balance changes. Riot Full tier list on the meta page.
Suited to players who like planning rounds, cutting sightlines for the team and calling where to go. Viper controls space with toxic gas fuelled by a resource: a wall (Toxic Screen), a cloud (Poison Cloud), a damaging zone (Snake Bite) and the Viper's Pit ultimate that Nearsights and Decays.
Written from the role and the ability descriptions above, not from match data.
Same role
Answers
Viper is a Controller. Riot describes the role this way: Controllers are experts in slicing up dangerous territory to set their team up for success.
C: Snake Bite; Q: Poison Cloud; E: Toxic Screen; X: Viper's Pit; Passive: Toxic. The full in-game descriptions are on this page.
Viper's Pit. In the game’s own words: EQUIP a chemical sprayer. FIRE to spray a chemical cloud in all directions around Viper, creating a large cloud that Nearsights players and Decays the health of enemies inside of it. HOLD the ability key to disperse the cloud early.
In MetaBot’s all-ranks data of 25 September 2026, Viper has a 51.2% win rate and a 1.9% pick rate (tier B), number 2 of 7 controllers by win rate. These are community statistics, not Riot figures, and they predate patch 13.08.
valorant-api.com: game data (agents, abilities, skins, ranks, acts), client 13.08 · Neuralboost — agent tier list by win rate (MetaBot data, all ranks, 25 Sep 2026) (community) · VALORANT Patch Notes 13.08
Checked 15 October 2026
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