Caustic in Apex Legends
Controller

Caustic

Toxic Trapper

Caustic is a Controller Legend. He can be unlocked with either 12,000 Legend Tokens, 750 Apex Coins, or by purchasing the Champion Edition downloadable content.

Caustic is a deadly Legend with poisonous gas-based abilities. His tactical ability Nox Gas Trap places canisters that fire out toxic gas when damaged or when an enemy comes near them. His passive ability Nox Vision highlights enemies that are in the gas. His ultimate ability Nox Gas Grenade throws a grenade that fires toxic gas in a large area around it.

Abilities

Checked against every EA patch note up to Apex Legends: Cipher Patch Notes (2 November 2026).

TacticalQ

Nox Gas Trap

Cooldown 20s

Place up to 6 canisters that release deadly Nox gas when shot or triggered by enemies.

  • You can hold up to three charges of this ability, and gain one charge every 20 seconds. Up to six traps can be active on the map at once, and you're able to pick up unactivated traps to regain a charge.
  • When an enemy gets close to a trap, it releases a cloud of gas that deals damage per second to enemies caught within, ignoring shields.
  • After being activated, the barrels have 225 HP, and the gas will linger for 2 seconds after the barrel is destroyed.
  • Traps can now be damaged while inflating.
  • If a player is standing on top of an uninflated trap, it will not inflate until the player moves off of it.
  • Traps can now activate mid inflation.
  • Traps take ring damage.
Passive

Field Research

Gain research points from poisoning enemies, opening unique death boxes and scanning ring consoles. Every 100 points unlocks an extra upgrade point, up to 2, so Caustic can hold all four upgrades.

  • Research points come from poisoning enemies, opening unique death boxes and scanning ring consoles.
  • Every 100 research points unlocks an upgrade point, up to 2.
  • Caustic can have all four upgrades unlocked at once.
UltimateZ

Nox Gas Grenade

Charge time 2 min

Blankets a large area in Nox Gas

  • Cooldown is 2 minutes
  • Duration of Gas in field is 20 seconds

Who is Caustic?

Real name
Alexander Maxwell Nox
Age
50
Home world
Gaea
Voice actor
JB Blanc

Caustic's heirloom

Caustic has an heirloom set — Death Hammer.

Caustic heirloom details

Caustic skins

The wiki lists 88 skins for Caustic, each with its rarity and how it was unlocked.

Every Caustic skin

Apex Legends meta this season

The Apex Legends meta page tracks every legend buff, nerf and rework this season.

Apex Legends meta: every buff and nerf

Other Controller legends

Recent changes

Season 26 · 10 September 2025

  • Nox Gas damage ramps up more slowly (every 2 ticks) and no longer causes aim punch.

Summarised from EA's patch notes. Read the original: Get explosive in the Wild Iron Event

Season 26 · 4 August 2025

  • Nox Gas damage increased to 10-15 (was 4-10). It now causes aim punch, grounds enemies and drains movement cooldowns, but ordnance and abilities can clear it for 5 seconds.
  • New passive Field Research replaces Nox Vision: research points from poisoning enemies, opening unique death boxes and scanning ring consoles unlock up to 2 extra upgrade points.
  • Nox Gas Traps have 225 health (was 150), a larger trigger radius, a 22-second lifetime (was 11) and a 0.8-second activation delay (was 0.2). They now take ring damage and critical damage at the base.
  • Nox Gas Grenade cooldown reduced to 2 minutes (was 3), with faster projectiles and gas that lasts 20 seconds (was 15).
  • Upgrades: Breathe It In and new Extra Traps at level 2; new Gas Fighter and Particle Diffuser at level 3.

Summarised from EA's patch notes. Read the original: Apex Legends: Showdown Patch Notes

Season 25 · 10 July 2025

  • Nox Gas Traps last 22 seconds (was 11), and enemy traps are highlighted.

Summarised from EA's patch notes. Read the original: Bring the heat in the Haute Shot Event