diff --git a/src/data/mystery-encounters/encounters/dark-deal.ts b/src/data/mystery-encounters/encounters/dark-deal.ts
index 95757c901ab..3a6d3ec273a 100644
--- a/src/data/mystery-encounters/encounters/dark-deal.ts
+++ b/src/data/mystery-encounters/encounters/dark-deal.ts
@@ -9,7 +9,6 @@ import { PokeballType } from "../../pokeball";
 import { getPokemonSpecies } from "../../pokemon-species";
 import MysteryEncounter, { MysteryEncounterBuilder, MysteryEncounterTier } from "../mystery-encounter";
 import { MysteryEncounterOptionBuilder } from "../mystery-encounter-option";
-import { PartySizeRequirement } from "../mystery-encounter-requirements";
 import {
   EnemyPartyConfig, EnemyPokemonConfig,
   getRandomPlayerPokemon,
@@ -84,7 +83,7 @@ export const DarkDealEncounter: MysteryEncounter = MysteryEncounterBuilder
     }
   ])
   .withSceneWaveRangeRequirement(30, 180) // waves 30 to 180
-  .withSceneRequirement(new PartySizeRequirement([2, 6])) // Must have at least 2 pokemon in party
+  .withScenePartySizeRequirement(2, 6) // Must have at least 2 pokemon in party
   .withCatchAllowed(true)
   .withOption(new MysteryEncounterOptionBuilder()
     .withPreOptionPhase(async (scene: BattleScene) => {
diff --git a/src/data/mystery-encounters/mystery-encounter.ts b/src/data/mystery-encounters/mystery-encounter.ts
index 37038af684c..0f2cd05870e 100644
--- a/src/data/mystery-encounters/mystery-encounter.ts
+++ b/src/data/mystery-encounters/mystery-encounter.ts
@@ -8,6 +8,7 @@ import MysteryEncounterOption from "./mystery-encounter-option";
 import {
   EncounterPokemonRequirement,
   EncounterSceneRequirement,
+  PartySizeRequirement,
   WaveRangeRequirement
 } from "./mystery-encounter-requirements";
 import * as Utils from "../../utils";
@@ -442,6 +443,17 @@ export class MysteryEncounterBuilder implements Partial<MysteryEncounter> {
     return this.withSceneRequirement(new WaveRangeRequirement([min, max ?? min]));
   }
 
+  /**
+   * Specifies a party size requirement for an encounter.
+   *
+   * @param min min wave (or exact size if only min is given)
+   * @param max optional max size. If not given, defaults to min => exact wave
+   * @returns
+   */
+  withScenePartySizeRequirement(min: number, max?: number) {
+    return this.withSceneRequirement(new PartySizeRequirement([min, max ?? min]));
+  }
+
   withPrimaryPokemonRequirement(requirement: EncounterPokemonRequirement): this & Required<Pick<MysteryEncounter, "primaryPokemonRequirements">> {
     this.primaryPokemonRequirements.push(requirement);
     return Object.assign(this, { primaryPokemonRequirements: this.primaryPokemonRequirements });