Neutralizing Gas (Ability)

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Neutralizing Gas かがくへんかガス
Chemical Change Gas
Flavor text
Generation VIII
If the Pokémon with Neutralizing Gas is in the battle, the effects of all Pokémon's Abilities will be nullified or will not be triggered.

Neutralizing Gas (Japanese: かがくへんかガス Chemical Change Gas) is an Ability introduced in Generation VIII. It is the signature Ability of Koffing's evolutionary lines.


In battle

385Jirachi.png This Ability effect may be in need of research.
Reason: How does it affect other Abilities that cannot be suppressed?
You can discuss this on the talk page.

Neutralizing Gas suppresses the effects of Abilities of other Pokémon currently in battle. When a Neutralizing Gas user switches in, the Ability displays a message. If there are entry hazards, then they activate after the message.

Once Neutralizing Gas is no longer applying, Abilities that activate when gained (i.e. Abilities that activate when a Pokémon is switched in, such as Intimidate, except Imposter) immediately activate regardless of whether they have already activated (except Unnerve, which applies without displaying a message). If Neutralizing Gas stops applying because the Pokémon with Neutralizing Gas would switch out, those Abilities activate before the switch occurs (e.g. if Intimidate is activated this way, it will decrease the Attack of the Pokémon with Neutralizing Gas before it switches out).

Neutralizing Gas cannot suppress itself, Multitype, Stance Change, Schooling, Comatose, Shields Down, Disguise, RKS System, Battle Bond, or Power Construct.

Neutralizing Gas cannot be copied by Trace or Role Play. Neutralizing Gas cannot be swapped by Skill Swap or Wandering Spirit. Entrainment fails if the user has Neutralizing Gas, but can succeed even if the target has Neutralizing Gas. However, Neutralizing Gas can be replaced (e.g. by Worry Seed) or suppressed (e.g. by Gastro Acid) like any other Ability, except that it cannot be suppressed by Neutralizing Gas.

Outside of battle

Neutralizing Gas has no effect outside of battle.

Pokémon with Neutralizing Gas

# Pokémon Types First Ability Second Ability Hidden Ability
Koffing Koffing Poison Poison Levitate Neutralizing Gas Stench
Weezing Weezing Poison Poison Levitate Neutralizing Gas Stench
Weezing Weezing
Galarian Form
Poison Fairy Levitate Neutralizing Gas Misty Surge
Please note that this is only 100% accurate to Generation VIII games.
  • For Generation III games, ignore Abilities introduced in Generation IV or later and Hidden Abilities.
  • For Generation IV games, ignore Hidden Abilities.
  • For Generation V games, ignore Abilities introduced in Generation VI or later.
  • For Generation VI games, ignore Abilities introduced in Generation VII or later.
  • For Generation VII games, ignore Abilities introduced in Generation VIII or later.

In other languages

Language Title
Chinese Cantonese 化學變化氣體 Fahohk Binfa Heitái
Mandarin 化學變化氣體 / 化学变化气体 Huàxué Biànhuà Qìtǐ
France Flag.png French Gaz Inhibiteur
Germany Flag.png German Reaktionsgas
Italy Flag.png Italian Gas Reagente
South Korea Flag.png Korean 화학변화가스 Hwahak Byeonhwa Gas
Brazil Flag.png Brazilian Portuguese Gás Neutralizador
Russia Flag.png Russian Нейтрализующий Газ Neytralizuyushchiy Gaz
Spain Flag.png Spanish Gas Reactivo

Project Moves and Abilities logo.png This article is part of Project Moves and Abilities, a Bulbapedia project that aims to write comprehensive articles on two related aspects of the Pokémon games.