diff --git a/src/test/abilities/neutralizing_gas.test.ts b/src/test/abilities/neutralizing_gas.test.ts
new file mode 100644
index 00000000000..badc575133f
--- /dev/null
+++ b/src/test/abilities/neutralizing_gas.test.ts
@@ -0,0 +1,86 @@
+import { Abilities } from "#enums/abilities";
+import { Moves } from "#enums/moves";
+import { Species } from "#enums/species";
+import { Stat } from "#enums/stat";
+import GameManager from "#test/utils/gameManager";
+import Phaser from "phaser";
+import { afterEach, beforeAll, beforeEach, describe, expect, it } from "vitest";
+
+describe("Abilities - Neutralizing Gas", () => {
+  let phaserGame: Phaser.Game;
+  let game: GameManager;
+
+  beforeAll(() => {
+    phaserGame = new Phaser.Game({
+      type: Phaser.HEADLESS,
+    });
+  });
+
+  afterEach(() => {
+    game.phaseInterceptor.restoreOg();
+  });
+
+  beforeEach(() => {
+    game = new GameManager(phaserGame);
+    game.override
+      .moveset([ Moves.SPLASH ])
+      .ability(Abilities.NEUTRALIZING_GAS)
+      .battleType("single")
+      .disableCrits()
+      .enemySpecies(Species.MAGIKARP)
+      .enemyAbility(Abilities.BALL_FETCH)
+      .enemyMoveset(Moves.SPLASH);
+  });
+
+  it("should prevent other abilities from activating", async () => {
+    game.override.enemyAbility(Abilities.INTIMIDATE);
+    await game.classicMode.startBattle([ Species.FEEBAS ]);
+
+    game.move.select(Moves.SPLASH);
+    await game.phaseInterceptor.to("TurnEndPhase");
+
+    // Intimidate is suppressed, so the attack stat should not be lowered
+    expect(game.scene.getPlayerPokemon()?.getStatStage(Stat.ATK)).toBe(0);
+  });
+
+  it("should allow the user's passive to activate", async () => {
+    game.override.passiveAbility(Abilities.INTREPID_SWORD);
+    await game.classicMode.startBattle([ Species.FEEBAS ]);
+
+    game.move.select(Moves.SPLASH);
+    await game.phaseInterceptor.to("TurnEndPhase");
+
+    expect(game.scene.getPlayerPokemon()?.getStatStage(Stat.ATK)).toBe(1);
+  });
+
+  // Note - this passes right now because ability order doesn't consider speed at all
+  it("should activate before other abilities", async () => {
+    game.override.enemySpecies(Species.ACCELGOR)
+      .enemyLevel(100)
+      .enemyAbility(Abilities.INTIMIDATE);
+
+    await game.classicMode.startBattle([ Species.FEEBAS ]);
+
+    game.move.select(Moves.SPLASH);
+    await game.phaseInterceptor.to("TurnEndPhase");
+
+    // Intimidate is suppressed even when the user's speed is lower
+    expect(game.scene.getPlayerPokemon()?.getStatStage(Stat.ATK)).toBe(0);
+  });
+
+  it.todo("should activate other abilities when removed", async () => {
+    game.override.enemyAbility(Abilities.INTIMIDATE)
+      .enemyMoveset(Moves.ENTRAINMENT);
+
+    await game.classicMode.startBattle([ Species.FEEBAS ]);
+
+    const playerPokemon = game.scene.getPlayerPokemon();
+    expect(playerPokemon?.getStatStage(Stat.ATK)).toBe(0);
+
+    game.move.select(Moves.SPLASH);
+    await game.phaseInterceptor.to("BerryPhase");
+    // Enemy removes user's ability, so intimidate is activated
+    expect(playerPokemon?.getStatStage(Stat.ATK)).toBe(-1);
+  });
+
+});