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.


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 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 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.
Controllers are experts in slicing up dangerous territory to set their team up for success.
Toxic Screen can cut a site in half. Learn lineups to block key sightlines on every map.
Poison Cloud is reusable. Pick it up and redeploy as the round evolves.
Snake Bite does massive damage in a small area. Use it for post-plant denial.
Viper's Pit creates a massive zone of control. Anchor on a site with it during post-plant.
Manage your toxin fuel carefully. Don't leave walls up when no one is pushing.
+Best post-plant agent in the game with Snake Bite and Viper's Pit
+Toxic Screen covers massive areas, reshaping entire site takes
+Dual-smoke capability with Poison Cloud and Toxic Screen
−Fuel management adds complexity since walls drop when fuel runs out
−Very lineup-dependent and requires map knowledge to be effective
−Low flexibility once utility is placed for the round
Tier
C
Win Rate
49.3%
Pick Rate
0.8%
Ban Rate
0.5%
Avg KDA
1.34
Avg ACS
211
Win Rate — Last 5 Patches
Data from Patch 10.01. Stats based on competitive matches at Platinum+ ranks.
Toxic Screen can cut a site in half. Learn lineups to block key sightlines on every map. Poison Cloud is reusable. Pick it up and redeploy as the round evolves. Snake Bite does massive damage in a small area. Use it for post-plant denial.
Best post-plant agent in the game with Snake Bite and Viper's Pit. Toxic Screen covers massive areas, reshaping entire site takes. Dual-smoke capability with Poison Cloud and Toxic Screen.
Fuel management adds complexity since walls drop when fuel runs out. Very lineup-dependent and requires map knowledge to be effective. Low flexibility once utility is placed for the round.
Viper excels on Breeze, Icebox, Pearl.
Viper has strong synergy with Killjoy, Cypher, Chamber.
Viper has a hard difficulty level. Recommended for experienced players who understand advanced mechanics.