Patchnoter

Caustic changes in Apex Legends

Latest change Season 26 Wild Iron Event ·

  • 12documented changes
  • 12patches

Abilities

  • Field ResearchPassive
  • Nox Gas TrapTactical
  • Nox Gas GrenadeUltimate

Caustic on EA's site

Every documented change to Caustic

12 changes across 12 patches, newest first

Season 26 Wild Iron Event Wednesday, 10 September 2025

  • CHANGELegends

    Caustic

    Caustic's gas builds up its damage more slowly and no longer causes aim punch, so it is easier to fight back while standing in it.

    Nox Gas: Damage from gas ramps up more slowly, increases every 2 ticks (was every tick)

    • Nox Gas
    • Damage from gas ramps up more slowly, increases every 2 ticks (was every tick)
    • Removed aim punch when taking damage
    Official source

Season 26 Showdown August 2025

  • REWORKLegends

    Caustic

    Caustic gets a broad rework: the gas hurts more, grounds enemies and causes aim punch, and traps are tougher and last longer. The ultimate has a shorter cooldown, and the new Field Research passive can unlock all four upgrades.

    Abilities: NEW Passive: Field Research (was Nox Vision): Gain research points from poisoning enemies, opening unique Death Boxes, and scanning ring consoles

    • Nox Gas
    • Damage Increased to 10-15 (was 4-10)
    • Now causes aim punch to victims when causing damage
    • Caustic’s Health Bar does not show while inside
    • Increased visibility both outside and inside his own gas
    • Green highlighting is still active
    • Clouds now have threat indicators for victims
    • Now Grounds enemies: slowing them once and draining them of movement cooldowns
    • “Slow” changed: immediately drains velocity to the desired speed even if the target is moving at high velocity or in the air
    • Gas now reactive: ordnance and abilities can disable it for 5s when used inside/nearby
    • Abilities
    • NEW Passive: Field Research (was Nox Vision)
    • Gain research points from poisoning enemies, opening unique Death Boxes, and scanning ring consoles
    • Unlock an upgrade point for every 100 research points (max 2)
    • Can uniquely have all 4 upgrades unlocked at once
    • Tactical: Nox Gas Trap
    • Trap health 150 → 225
    • Trap can be activated earlier while inflating
    • Reduced toss and stow by 0.1s
    • Trap activation radius 140 → 260
    • Gas radius 282 → 300
    • Doubled lifetime to 22s (was 11s)
    • Caustic traps take ring damage
    • Activation delay 0.2s → 0.8s
    • Traps take bullet damage while inflating
    • Traps take critical (1.4x) damage when hit in the o-ring/base
    • Ultimate: Nox Gas Grenade
    • Reduced cooldown to 2min (was 3m)
    • Reduced toss and stow time by 0.05s
    • Projectile speed 1300 → 1500
    • Duration 15s → 20s
    • Upgrades
    • Level 2
    • Parabolic Force & Residual Toxins: removed (integrated into base kit)
    • NEW Extra Traps: one additional charge, increased max in world by 2
    • Breathe It In: moved to Level 2
    • Level 3
    • NEW Gas Fighter: Tac recharges 300% faster while in gas
    • Particle Diffuser: increases Ult radius by +50%

    TipPlay around your traps to earn research; they are now delayed but provide long-lasting area control.

    Official source

Season 25 Haute Shot Event Thursday, 10 July 2025

  • CHANGELegends

    Caustic

    Caustic's Nox Gas Traps now last twice as long, and enemy traps are highlighted, which makes them easier to spot.

    • Nox Gas Trap duration extended to 22s (was 11s)
    • Enemy Nox Gas Trap is highlighted
    Official source

Season 22 Shockwave August 2024

  • CHANGELegends

    Caustic

    Caustic's friendly traps now look different from enemy traps, so it is easier to tell them apart.

    Mom! Get the camera! Friendly traps are now differentiated from enemy traps

    Official source

Season 21 Upheaval May 2024

  • CHANGELegends

    Caustic

    Caustic's gas stops hurting and slowing the moment Caustic's squad is eliminated, and its damage now starts lower with a cap, with slightly less damage to knocked players.

    • Gas damage and slow now stops immediately after Caustic's squad is eliminated
    • Gas damage ramps from 4 → 10 max (was 5 → uncapped), damage on knocked players down to flat 4 (was 5)

    TipGas ends with your squad, plan accordingly. Damage now has a defined ceiling.

    Official source

Season 20 Shadow Society Event Thursday, 21 March 2024

  • CHANGELegends

    Caustic

    Caustic's gas damage now climbs steadily each tick while knocked players still take a flat amount, the slow only applies on the first tick, and Particle Diffuser and Residual Toxins swap levels.

    • Gas Damage now increases by 1 each tick (was 5/5/6/6 etc.): Downed players still only receive 5/tick
    • Gas Slow effect now only applies on first damage tick for 2s
    • Upgrades
    • Particle Diffuser: moved to Level 3
    • Residual Toxins: moved to Level 2
    Official source

Season 20 Breakout February 2024

  • CHANGELegends

    Heavy-Rig Legends (Gibraltar, Caustic, Pathfinder, Newcastle, Revenant)

    Gibraltar, Caustic, Pathfinder, Newcastle and Revenant now use medium-rig first-person running animations, so they feel less sluggish even though their actual speed is unchanged.

    • Now use medium-rig first-person movement animations
    • Actual game speeds have not changed, these Legends will feel less sluggish when running
    Official source

Season 10 Emergence August 2021

  • CHANGE

    Caustic

    Caustic's gas keeps getting stronger the longer you stay in it and the tactical comes back faster; the ultimate recharges sooner but lasts a shorter time.

    • Gas damage starts at 5, increases by 1 every other tick indefinitely.
    • Cooldown on Tactical 25s → 20s
    • Ultimate cooldown has been reduced 3.5m -> 3m.
    • Duration reduced from 20s -> 15s.

    TipUse gas in fights where you'll stay in it longer to let damage stack, and cycle tacticals more often to pressure enemies pushing.

    Official source

Season 8 Mayhem February 2021

  • CHANGELegend Meta

    Caustic

    Caustic's gas now clears straight away once Caustic's team is eliminated, so it no longer hangs around after that squad is gone.

    All gas now dissipates as soon as Caustic’s team is eliminated.

    Official source

Season 7 Ascent November 2020

  • CHANGELegend Meta

    Caustic

    Caustic's Nox gas no longer blurs your vision while you stand in it, but it now deals more damage per tick.

    Nox Gas Trap/Nox Gas Grenade: Legends no longer get a blurred vision effect while in the gas. Damage updated from 4-10 ticks of damage to 6-12 ticks of damage.

    Official source

Season 5 Fortune's Favor May 2020

  • CHANGELegend Updates

    Caustic

    Caustic's gas no longer slows teammates, and Caustic traps can no longer be triggered from the other side of a door.

    • Friendly gas no longer slows teammates.
    • Caustic traps are no longer triggered from the other side of a door.
    Official source

Season 2 Battle Charge July 2019

  • CHANGE

    Caustic

    Caustic's Nox Gas slows teammates only half as much, so it gets in your own squad's way less.

    Nox Gas: The magnitude of the slow is reduced by 50% when effecting teammates.

    Official source