diff --git a/src/modifier/all-held-items.ts b/src/modifier/all-held-items.ts
index 6f25af3055f..7464a2e3a93 100644
--- a/src/modifier/all-held-items.ts
+++ b/src/modifier/all-held-items.ts
@@ -1,237 +1,7 @@
-import type Pokemon from "#app/field/pokemon";
-import { globalScene } from "#app/global-scene";
-import type { Localizable } from "#app/interfaces/locales";
-import { getPokemonNameWithAffix } from "#app/messages";
-import { PokemonHealPhase } from "#app/phases/pokemon-heal-phase";
-import { toDmgValue, type NumberHolder } from "#app/utils/common";
-import { HeldItemNames, HeldItems } from "#enums/held-items";
-import { PokemonType } from "#enums/pokemon-type";
-import i18next from "i18next";
-
-export class HeldItem implements Localizable {
-  //  public pokemonId: number;
-  public type: HeldItems;
-  public maxStackCount: number;
-  public isTransferable = true;
-  public isStealable = true;
-  public isSuppressable = true;
-
-  public name = "";
-  public description = "";
-  public icon = "";
-
-  constructor(type: HeldItems, maxStackCount = 1) {
-    this.type = type;
-    this.maxStackCount = maxStackCount;
-
-    this.isTransferable = true;
-    this.isStealable = true;
-    this.isSuppressable = true;
-  }
-
-  localize(): void {
-    this.name = this.getName();
-    this.description = this.getDescription();
-    this.icon = this.getIcon();
-  }
-
-  getName(): string {
-    return "";
-  }
-
-  getDescription(): string {
-    return "";
-  }
-
-  getIcon(): string {
-    return "";
-  }
-
-  untransferable(): HeldItem {
-    this.isTransferable = false;
-    return this;
-  }
-
-  unstealable(): HeldItem {
-    this.isStealable = false;
-    return this;
-  }
-
-  unsuppressable(): HeldItem {
-    this.isSuppressable = false;
-    return this;
-  }
-
-  getMaxStackCount(): number {
-    return this.maxStackCount;
-  }
-
-  createSummaryIcon(stackCount: number): Phaser.GameObjects.Container {
-    const container = globalScene.add.container(0, 0);
-
-    const item = globalScene.add.sprite(0, 12, "items").setFrame(this.getIcon()).setOrigin(0, 0.5);
-    container.add(item);
-
-    const stackText = this.getIconStackText(stackCount);
-    if (stackText) {
-      container.add(stackText);
-    }
-
-    container.setScale(0.5);
-
-    return container;
-  }
-
-  createPokemonIcon(stackCount: number, pokemon: Pokemon): Phaser.GameObjects.Container {
-    const container = globalScene.add.container(0, 0);
-
-    const pokemonIcon = globalScene.addPokemonIcon(pokemon, -2, 10, 0, 0.5, undefined, true);
-    container.add(pokemonIcon);
-    container.setName(pokemon.id.toString());
-
-    const item = globalScene.add
-      .sprite(16, 16, "items")
-      .setScale(0.5)
-      .setOrigin(0, 0.5)
-      .setTexture("items", this.getIcon());
-    container.add(item);
-
-    const stackText = this.getIconStackText(stackCount);
-    if (stackText) {
-      container.add(stackText);
-    }
-
-    return container;
-  }
-
-  getIconStackText(stackCount: number): Phaser.GameObjects.BitmapText | null {
-    if (this.getMaxStackCount() === 1) {
-      return null;
-    }
-
-    const text = globalScene.add.bitmapText(10, 15, "item-count", stackCount.toString(), 11);
-    text.letterSpacing = -0.5;
-    if (stackCount >= this.getMaxStackCount()) {
-      text.setTint(0xf89890);
-    }
-    text.setOrigin(0);
-
-    return text;
-  }
-
-  getScoreMultiplier(): number {
-    return 1;
-  }
-}
-
-interface AttackTypeToHeldItemMap {
-  [key: number]: HeldItems;
-}
-
-export const attackTypeToHeldItem: AttackTypeToHeldItemMap = {
-  [PokemonType.NORMAL]: HeldItems.SILK_SCARF,
-  [PokemonType.FIGHTING]: HeldItems.BLACK_BELT,
-  [PokemonType.FLYING]: HeldItems.SHARP_BEAK,
-  [PokemonType.POISON]: HeldItems.POISON_BARB,
-  [PokemonType.GROUND]: HeldItems.SOFT_SAND,
-  [PokemonType.ROCK]: HeldItems.HARD_STONE,
-  [PokemonType.BUG]: HeldItems.SILVER_POWDER,
-  [PokemonType.GHOST]: HeldItems.SPELL_TAG,
-  [PokemonType.STEEL]: HeldItems.METAL_COAT,
-  [PokemonType.FIRE]: HeldItems.CHARCOAL,
-  [PokemonType.WATER]: HeldItems.MYSTIC_WATER,
-  [PokemonType.GRASS]: HeldItems.MIRACLE_SEED,
-  [PokemonType.ELECTRIC]: HeldItems.MAGNET,
-  [PokemonType.PSYCHIC]: HeldItems.TWISTED_SPOON,
-  [PokemonType.ICE]: HeldItems.NEVER_MELT_ICE,
-  [PokemonType.DRAGON]: HeldItems.DRAGON_FANG,
-  [PokemonType.DARK]: HeldItems.BLACK_GLASSES,
-  [PokemonType.FAIRY]: HeldItems.FAIRY_FEATHER,
-};
-
-export class AttackTypeBoosterHeldItem extends HeldItem {
-  public moveType: PokemonType;
-  public powerBoost: number;
-
-  constructor(type: HeldItems, maxStackCount = 1, moveType: PokemonType, powerBoost: number) {
-    super(type, maxStackCount);
-    this.moveType = moveType;
-    this.powerBoost = powerBoost;
-    this.localize();
-  }
-
-  getName(): string {
-    return i18next.t(`modifierType:AttackTypeBoosterItem.${HeldItemNames[this.type]?.toLowerCase()}`);
-  }
-
-  getDescription(): string {
-    return i18next.t("modifierType:ModifierType.AttackTypeBoosterModifierType.description", {
-      moveType: i18next.t(`pokemonInfo:Type.${PokemonType[this.moveType]}`),
-    });
-  }
-
-  getIcon(): string {
-    return `${HeldItemNames[this.type]?.toLowerCase()}`;
-  }
-
-  apply(stackCount: number, moveType: PokemonType, movePower: NumberHolder): void {
-    if (moveType === this.moveType && movePower.value >= 1) {
-      movePower.value = Math.floor(movePower.value * (1 + stackCount * this.powerBoost));
-    }
-  }
-}
-
-export function applyAttackTypeBoosterHeldItem(pokemon: Pokemon, moveType: PokemonType, movePower: NumberHolder) {
-  if (pokemon) {
-    for (const [item, props] of Object.entries(pokemon.heldItemManager.getHeldItems())) {
-      if (allHeldItems[item] instanceof AttackTypeBoosterHeldItem) {
-        allHeldItems[item].apply(props.stack, moveType, movePower);
-      }
-    }
-  }
-}
-
-export class TurnHealHeldItem extends HeldItem {
-  getName(): string {
-    return i18next.t("modifierType:ModifierType.LEFTOVERS.name") + " (new)";
-  }
-
-  getDescription(): string {
-    return i18next.t("modifierType:ModifierType.LEFTOVERS.description");
-  }
-
-  getIcon(): string {
-    return "leftovers";
-  }
-
-  apply(stackCount: number, pokemon: Pokemon): boolean {
-    if (pokemon.isFullHp()) {
-      return false;
-    }
-    globalScene.unshiftPhase(
-      new PokemonHealPhase(
-        pokemon.getBattlerIndex(),
-        toDmgValue(pokemon.getMaxHp() / 16) * stackCount,
-        i18next.t("modifier:turnHealApply", {
-          pokemonNameWithAffix: getPokemonNameWithAffix(pokemon),
-          typeName: this.name,
-        }),
-        true,
-      ),
-    );
-    return true;
-  }
-}
-
-export function applyTurnHealHeldItem(pokemon: Pokemon) {
-  if (pokemon) {
-    for (const [item, props] of Object.entries(pokemon.heldItemManager.getHeldItems())) {
-      if (allHeldItems[item] instanceof TurnHealHeldItem) {
-        allHeldItems[item].apply(props.stack, pokemon);
-      }
-    }
-  }
-}
+import { HeldItems } from "#enums/held-items";
+import type { PokemonType } from "#enums/pokemon-type";
+import { AttackTypeBoosterHeldItem, attackTypeToHeldItem } from "./held-items/attack-type-booster";
+import { TurnHealHeldItem } from "./held-items/turn-heal";
 
 export const allHeldItems = {};
 
diff --git a/src/modifier/held-item.ts b/src/modifier/held-item.ts
new file mode 100644
index 00000000000..8580d516172
--- /dev/null
+++ b/src/modifier/held-item.ts
@@ -0,0 +1,109 @@
+import type Pokemon from "#app/field/pokemon";
+import { globalScene } from "#app/global-scene";
+import type { HeldItems } from "#enums/held-items";
+
+export class HeldItem {
+  //  public pokemonId: number;
+  public type: HeldItems;
+  public maxStackCount: number;
+  public isTransferable = true;
+  public isStealable = true;
+  public isSuppressable = true;
+
+  constructor(type: HeldItems, maxStackCount = 1) {
+    this.type = type;
+    this.maxStackCount = maxStackCount;
+
+    this.isTransferable = true;
+    this.isStealable = true;
+    this.isSuppressable = true;
+  }
+
+  get name(): string {
+    return "";
+  }
+
+  get description(): string {
+    return "";
+  }
+
+  get iconName(): string {
+    return "";
+  }
+
+  untransferable(): HeldItem {
+    this.isTransferable = false;
+    return this;
+  }
+
+  unstealable(): HeldItem {
+    this.isStealable = false;
+    return this;
+  }
+
+  unsuppressable(): HeldItem {
+    this.isSuppressable = false;
+    return this;
+  }
+
+  getMaxStackCount(): number {
+    return this.maxStackCount;
+  }
+
+  createSummaryIcon(stackCount: number): Phaser.GameObjects.Container {
+    const container = globalScene.add.container(0, 0);
+
+    const item = globalScene.add.sprite(0, 12, "items").setFrame(this.iconName).setOrigin(0, 0.5);
+    container.add(item);
+
+    const stackText = this.getIconStackText(stackCount);
+    if (stackText) {
+      container.add(stackText);
+    }
+
+    container.setScale(0.5);
+
+    return container;
+  }
+
+  createPokemonIcon(stackCount: number, pokemon: Pokemon): Phaser.GameObjects.Container {
+    const container = globalScene.add.container(0, 0);
+
+    const pokemonIcon = globalScene.addPokemonIcon(pokemon, -2, 10, 0, 0.5, undefined, true);
+    container.add(pokemonIcon);
+    container.setName(pokemon.id.toString());
+
+    const item = globalScene.add
+      .sprite(16, 16, "items")
+      .setScale(0.5)
+      .setOrigin(0, 0.5)
+      .setTexture("items", this.iconName);
+    container.add(item);
+
+    const stackText = this.getIconStackText(stackCount);
+    if (stackText) {
+      container.add(stackText);
+    }
+
+    return container;
+  }
+
+  getIconStackText(stackCount: number): Phaser.GameObjects.BitmapText | null {
+    if (this.getMaxStackCount() === 1) {
+      return null;
+    }
+
+    const text = globalScene.add.bitmapText(10, 15, "item-count", stackCount.toString(), 11);
+    text.letterSpacing = -0.5;
+    if (stackCount >= this.getMaxStackCount()) {
+      text.setTint(0xf89890);
+    }
+    text.setOrigin(0);
+
+    return text;
+  }
+
+  getScoreMultiplier(): number {
+    return 1;
+  }
+}
diff --git a/src/modifier/held-items/attack-type-booster.ts b/src/modifier/held-items/attack-type-booster.ts
new file mode 100644
index 00000000000..a02c97beb72
--- /dev/null
+++ b/src/modifier/held-items/attack-type-booster.ts
@@ -0,0 +1,73 @@
+import { HeldItemNames, HeldItems } from "#enums/held-items";
+import { PokemonType } from "#enums/pokemon-type";
+import i18next from "i18next";
+import type { NumberHolder } from "#app/utils/common";
+import type Pokemon from "#app/field/pokemon";
+import { HeldItem } from "../held-item";
+import { allHeldItems } from "../all-held-items";
+
+interface AttackTypeToHeldItemMap {
+  [key: number]: HeldItems;
+}
+
+export const attackTypeToHeldItem: AttackTypeToHeldItemMap = {
+  [PokemonType.NORMAL]: HeldItems.SILK_SCARF,
+  [PokemonType.FIGHTING]: HeldItems.BLACK_BELT,
+  [PokemonType.FLYING]: HeldItems.SHARP_BEAK,
+  [PokemonType.POISON]: HeldItems.POISON_BARB,
+  [PokemonType.GROUND]: HeldItems.SOFT_SAND,
+  [PokemonType.ROCK]: HeldItems.HARD_STONE,
+  [PokemonType.BUG]: HeldItems.SILVER_POWDER,
+  [PokemonType.GHOST]: HeldItems.SPELL_TAG,
+  [PokemonType.STEEL]: HeldItems.METAL_COAT,
+  [PokemonType.FIRE]: HeldItems.CHARCOAL,
+  [PokemonType.WATER]: HeldItems.MYSTIC_WATER,
+  [PokemonType.GRASS]: HeldItems.MIRACLE_SEED,
+  [PokemonType.ELECTRIC]: HeldItems.MAGNET,
+  [PokemonType.PSYCHIC]: HeldItems.TWISTED_SPOON,
+  [PokemonType.ICE]: HeldItems.NEVER_MELT_ICE,
+  [PokemonType.DRAGON]: HeldItems.DRAGON_FANG,
+  [PokemonType.DARK]: HeldItems.BLACK_GLASSES,
+  [PokemonType.FAIRY]: HeldItems.FAIRY_FEATHER,
+};
+
+export class AttackTypeBoosterHeldItem extends HeldItem {
+  public moveType: PokemonType;
+  public powerBoost: number;
+
+  constructor(type: HeldItems, maxStackCount = 1, moveType: PokemonType, powerBoost: number) {
+    super(type, maxStackCount);
+    this.moveType = moveType;
+    this.powerBoost = powerBoost;
+  }
+
+  getName(): string {
+    return i18next.t(`modifierType:AttackTypeBoosterItem.${HeldItemNames[this.type]?.toLowerCase()}`);
+  }
+
+  getDescription(): string {
+    return i18next.t("modifierType:ModifierType.AttackTypeBoosterModifierType.description", {
+      moveType: i18next.t(`pokemonInfo:Type.${PokemonType[this.moveType]}`),
+    });
+  }
+
+  getIcon(): string {
+    return `${HeldItemNames[this.type]?.toLowerCase()}`;
+  }
+
+  apply(stackCount: number, moveType: PokemonType, movePower: NumberHolder): void {
+    if (moveType === this.moveType && movePower.value >= 1) {
+      movePower.value = Math.floor(movePower.value * (1 + stackCount * this.powerBoost));
+    }
+  }
+}
+
+export function applyAttackTypeBoosterHeldItem(pokemon: Pokemon, moveType: PokemonType, movePower: NumberHolder) {
+  if (pokemon) {
+    for (const [item, props] of Object.entries(pokemon.heldItemManager.getHeldItems())) {
+      if (allHeldItems[item] instanceof AttackTypeBoosterHeldItem) {
+        allHeldItems[item].apply(props.stack, moveType, movePower);
+      }
+    }
+  }
+}
diff --git a/src/modifier/held-items/turn-heal.ts b/src/modifier/held-items/turn-heal.ts
new file mode 100644
index 00000000000..f2f9ec2f08b
--- /dev/null
+++ b/src/modifier/held-items/turn-heal.ts
@@ -0,0 +1,50 @@
+import type Pokemon from "#app/field/pokemon";
+import { globalScene } from "#app/global-scene";
+import i18next from "i18next";
+import { HeldItem } from "../held-item";
+import { PokemonHealPhase } from "#app/phases/pokemon-heal-phase";
+import { toDmgValue } from "#app/utils/common";
+import { getPokemonNameWithAffix } from "#app/messages";
+import { allHeldItems } from "../all-held-items";
+
+export class TurnHealHeldItem extends HeldItem {
+  get name(): string {
+    return i18next.t("modifierType:ModifierType.LEFTOVERS.name") + " (new)";
+  }
+
+  get description(): string {
+    return i18next.t("modifierType:ModifierType.LEFTOVERS.description");
+  }
+
+  get icon(): string {
+    return "leftovers";
+  }
+
+  apply(stackCount: number, pokemon: Pokemon): boolean {
+    if (pokemon.isFullHp()) {
+      return false;
+    }
+    globalScene.unshiftPhase(
+      new PokemonHealPhase(
+        pokemon.getBattlerIndex(),
+        toDmgValue(pokemon.getMaxHp() / 16) * stackCount,
+        i18next.t("modifier:turnHealApply", {
+          pokemonNameWithAffix: getPokemonNameWithAffix(pokemon),
+          typeName: this.name,
+        }),
+        true,
+      ),
+    );
+    return true;
+  }
+}
+
+export function applyTurnHealHeldItem(pokemon: Pokemon) {
+  if (pokemon) {
+    for (const [item, props] of Object.entries(pokemon.heldItemManager.getHeldItems())) {
+      if (allHeldItems[item] instanceof TurnHealHeldItem) {
+        allHeldItems[item].apply(props.stack, pokemon);
+      }
+    }
+  }
+}