diff --git a/package-lock.json b/package-lock.json
index 7db944a45..a4e40a2cb 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -26,7 +26,7 @@
 				"phaser3spectorjs": "^0.0.8",
 				"pokenode-ts": "^1.20.0",
 				"typescript": "^5.0.3",
-				"vite": "^4.5.0",
+				"vite": "^4.5.3",
 				"vite-plugin-fs": "^0.4.4",
 				"vitest": "^1.4.0",
 				"vitest-canvas-mock": "^0.3.3"
diff --git a/package.json b/package.json
index d5ffb651f..c004c3f80 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
 		"phaser3spectorjs": "^0.0.8",
 		"pokenode-ts": "^1.20.0",
 		"typescript": "^5.0.3",
-		"vite": "^4.5.0",
+		"vite": "^4.5.3",
 		"vite-plugin-fs": "^0.4.4",
 		"vitest": "^1.4.0",
 		"vitest-canvas-mock": "^0.3.3"
diff --git a/src/battle-scene.ts b/src/battle-scene.ts
index cbf363f68..87a1f0ead 100644
--- a/src/battle-scene.ts
+++ b/src/battle-scene.ts
@@ -112,6 +112,7 @@ export default class BattleScene extends SceneBase {
 	public gameSpeed: integer = 1;
 	public damageNumbersMode: integer = 0;
 	public showLevelUpStats: boolean = true;
+	public disableIVScanner: boolean = true;
 	public enableTutorials: boolean = import.meta.env.VITE_BYPASS_TUTORIAL === "1";
 	public enableRetries: boolean = false;
 	public uiTheme: UiTheme = UiTheme.DEFAULT;
diff --git a/src/data/move.ts b/src/data/move.ts
index dc6d326b2..9ddc56fc3 100644
--- a/src/data/move.ts
+++ b/src/data/move.ts
@@ -3390,13 +3390,38 @@ export class CopyMoveAttr extends OverrideMoveEffectAttr {
 }
 
 export class ReducePpMoveAttr extends MoveEffectAttr {
+  public reduction: integer
+  public causesMoveToFail: boolean
+
+  constructor(reduction: integer, causesMoveToFail: boolean) {
+    super(false, MoveEffectTrigger.POST_APPLY);
+    
+    this.reduction = reduction;
+    this.causesMoveToFail = causesMoveToFail;
+  }
+
   apply(user: Pokemon, target: Pokemon, move: Move, args: any[]): boolean {
-    // Null checks can be skipped due to condition function
     const lastMove = target.getLastXMoves().find(() => true);
+    if (!lastMove) {
+      return false;
+    }
     const movesetMove = target.getMoveset().find(m => m.moveId === lastMove.move);
     const lastPpUsed = movesetMove.ppUsed;
-    movesetMove.ppUsed = Math.min(movesetMove.ppUsed + 4, movesetMove.getMovePp());
-    user.scene.queueMessage(`It reduced the PP of ${getPokemonMessage(target, `'s\n${movesetMove.getName()} by ${movesetMove.ppUsed - lastPpUsed}!`)}`);
+<<<<<<< Updated upstream
+<<<<<<< Updated upstream
+    if (!lastMove || lastPpUsed < 1) {
+=======
+    if (lastPpUsed < 1) {
+>>>>>>> Stashed changes
+=======
+    if (lastPpUsed < 1) {
+>>>>>>> Stashed changes
+      return false;
+    }
+    else {
+      movesetMove.ppUsed = Math.min(movesetMove.ppUsed + this.reduction, movesetMove.getMovePp());
+      user.scene.queueMessage(`It reduced the PP of ${getPokemonMessage(target, `'s\n${movesetMove.getName()} by ${movesetMove.ppUsed - lastPpUsed}!`)}`);
+    }
 
     return true;
   }
@@ -3408,6 +3433,7 @@ export class ReducePpMoveAttr extends MoveEffectAttr {
         const movesetMove = target.getMoveset().find(m => m.moveId === lastMove.move);
         return !!movesetMove?.getPpRatio();
       }
+      if (!this.causesMoveToFail) {return true;}
       return false;
     };
   }
@@ -4323,7 +4349,7 @@ export function initMoves() {
     new AttackMove(Moves.REVERSAL, Type.FIGHTING, MoveCategory.PHYSICAL, -1, 100, 15, -1, 0, 2)
       .attr(LowHpPowerAttr),
     new StatusMove(Moves.SPITE, Type.GHOST, 100, 10, -1, 0, 2)
-      .attr(ReducePpMoveAttr),
+      .attr(ReducePpMoveAttr, 4, true),
     new AttackMove(Moves.POWDER_SNOW, Type.ICE, MoveCategory.SPECIAL, 40, 100, 25, 10, 0, 2)
       .attr(StatusEffectAttr, StatusEffect.FREEZE)
       .target(MoveTarget.ALL_NEAR_ENEMIES),
@@ -6078,7 +6104,7 @@ export function initMoves() {
       .target(MoveTarget.ALL_NEAR_ENEMIES),
     new AttackMove(Moves.EERIE_SPELL, Type.PSYCHIC, MoveCategory.SPECIAL, 80, 100, 5, 100, 0, 8)
       .soundBased()
-      .partial(),
+      .attr(ReducePpMoveAttr, 3, false),
     new AttackMove(Moves.DIRE_CLAW, Type.POISON, MoveCategory.PHYSICAL, 80, 100, 15, 50, 0, 8)
       .attr(MultiStatusEffectAttr, [StatusEffect.POISON, StatusEffect.PARALYSIS, StatusEffect.SLEEP]),
     new AttackMove(Moves.PSYSHIELD_BASH, Type.PSYCHIC, MoveCategory.PHYSICAL, 70, 90, 10, 100, 0, 8)
diff --git a/src/data/pokemon-level-moves.ts b/src/data/pokemon-level-moves.ts
index 0b545d1bd..ac123e4ff 100644
--- a/src/data/pokemon-level-moves.ts
+++ b/src/data/pokemon-level-moves.ts
@@ -15330,6 +15330,8 @@ export const pokemonSpeciesLevelMoves: PokemonSpeciesLevelMoves = {
   [Species.LECHONK]: [
     [ 1, Moves.TACKLE ],
     [ 1, Moves.TAIL_WHIP ],
+    [ 1, Moves.EERIE_SPELL ],
+    [ 1, Moves.SPITE ],
     [ 5, Moves.DISARMING_VOICE ],
     [ 8, Moves.ECHOED_VOICE ],
     [ 12, Moves.MUD_SHOT ],
diff --git a/src/data/pokemon-species.ts b/src/data/pokemon-species.ts
index d118adc0f..a5487a5cb 100644
--- a/src/data/pokemon-species.ts
+++ b/src/data/pokemon-species.ts
@@ -835,7 +835,7 @@ export function initSpecies() {
     new PokemonSpecies(Species.NIDORAN_F, 1, false, false, false, "Poison Pin Pokémon", Type.POISON, null, 0.4, 7, Abilities.POISON_POINT, Abilities.RIVALRY, Abilities.HUSTLE, 275, 55, 47, 52, 40, 40, 41, 235, 50, 55, GrowthRate.MEDIUM_SLOW, 0, false),
     new PokemonSpecies(Species.NIDORINA, 1, false, false, false, "Poison Pin Pokémon", Type.POISON, null, 0.8, 20, Abilities.POISON_POINT, Abilities.RIVALRY, Abilities.HUSTLE, 365, 70, 62, 67, 55, 55, 56, 120, 50, 128, GrowthRate.MEDIUM_SLOW, 0, false),
     new PokemonSpecies(Species.NIDOQUEEN, 1, false, false, false, "Drill Pokémon", Type.POISON, Type.GROUND, 1.3, 60, Abilities.POISON_POINT, Abilities.RIVALRY, Abilities.SHEER_FORCE, 505, 90, 92, 87, 75, 85, 76, 45, 50, 253, GrowthRate.MEDIUM_SLOW, 0, false),
-    new PokemonSpecies(Species.NIDORAN_M, 1, false, false, false, "Poison Pin Pokémon", Type.POISON, null, 0.5, 9, Abilities.POISON_POINT, Abilities.RIVALRY, Abilities.HUSTLE, 273, 46, 57, 40, 40, 40, 50, 235, 50, 55, GrowthRate.MEDIUM_SLOW, 100, false),
+    new PokemonSpecies(Species.NIDORAN_M, 1, false, false, false, "Poison Pin Pokémon", Type.PSYCHIC, null, 0.5, 9, Abilities.ICE_SCALES, Abilities.RIVALRY, Abilities.HUSTLE, 273, 46, 57, 40, 40, 40, 50, 235, 50, 55, GrowthRate.MEDIUM_SLOW, 100, false),
     new PokemonSpecies(Species.NIDORINO, 1, false, false, false, "Poison Pin Pokémon", Type.POISON, null, 0.9, 19.5, Abilities.POISON_POINT, Abilities.RIVALRY, Abilities.HUSTLE, 365, 61, 72, 57, 55, 55, 65, 120, 50, 128, GrowthRate.MEDIUM_SLOW, 100, false),
     new PokemonSpecies(Species.NIDOKING, 1, false, false, false, "Drill Pokémon", Type.POISON, Type.GROUND, 1.4, 62, Abilities.POISON_POINT, Abilities.RIVALRY, Abilities.SHEER_FORCE, 505, 81, 102, 77, 85, 75, 85, 45, 50, 253, GrowthRate.MEDIUM_SLOW, 100, false),
     new PokemonSpecies(Species.CLEFAIRY, 1, false, false, false, "Fairy Pokémon", Type.FAIRY, null, 0.6, 7.5, Abilities.CUTE_CHARM, Abilities.MAGIC_GUARD, Abilities.FRIEND_GUARD, 323, 70, 45, 48, 60, 65, 35, 150, 140, 113, GrowthRate.FAST, 25, false),
diff --git a/src/phases.ts b/src/phases.ts
index 3d80b22eb..b3b981f23 100644
--- a/src/phases.ts
+++ b/src/phases.ts
@@ -899,7 +899,7 @@ export class EncounterPhase extends BattlePhase {
     if (this.scene.currentBattle.battleType !== BattleType.TRAINER) {
       enemyField.map(p => this.scene.pushPhase(new PostSummonPhase(this.scene, p.getBattlerIndex())));
       const ivScannerModifier = this.scene.findModifier(m => m instanceof IvScannerModifier);
-      if (ivScannerModifier)
+      if (ivScannerModifier && !this.scene.disableIVScanner)
         enemyField.map(p => this.scene.pushPhase(new ScanIvsPhase(this.scene, p.getBattlerIndex(), Math.min(ivScannerModifier.getStackCount() * 2, 6))));
     }
 
diff --git a/src/system/settings.ts b/src/system/settings.ts
index df4f894c9..2276d9eb7 100644
--- a/src/system/settings.ts
+++ b/src/system/settings.ts
@@ -20,6 +20,7 @@ export enum Setting {
   Sprite_Set = "SPRITE_SET",
   Move_Animations = "MOVE_ANIMATIONS",
   Show_Stats_on_Level_Up = "SHOW_LEVEL_UP_STATS",
+  Disable_IV_Scanner = "DISABLE_IV_SCANNER",
   EXP_Gains_Speed = "EXP_GAINS_SPEED",
   HP_Bar_Speed = "HP_BAR_SPEED",
   Fusion_Palette_Swaps = "FUSION_PALETTE_SWAPS",
@@ -51,6 +52,7 @@ export const settingOptions: SettingOptions = {
   [Setting.Sprite_Set]: [ 'Consistent', 'Mixed Animated' ],
   [Setting.Move_Animations]: [ 'Off', 'On' ],
   [Setting.Show_Stats_on_Level_Up]: [ 'Off', 'On' ],
+  [Setting.Disable_IV_Scanner]: [ 'On', 'Off' ],
   [Setting.EXP_Gains_Speed]: [ 'Normal', 'Fast', 'Faster', 'Skip' ],
   [Setting.HP_Bar_Speed]: [ 'Normal', 'Fast', 'Faster', 'Instant' ],
   [Setting.Fusion_Palette_Swaps]: [ 'Off', 'On' ],
@@ -74,6 +76,7 @@ export const settingDefaults: SettingDefaults = {
   [Setting.Sprite_Set]: 0,
   [Setting.Move_Animations]: 1,
   [Setting.Show_Stats_on_Level_Up]: 1,
+  [Setting.Disable_IV_Scanner]: 1,
   [Setting.EXP_Gains_Speed]: 0,
   [Setting.HP_Bar_Speed]: 0,
   [Setting.Fusion_Palette_Swaps]: 1,
@@ -128,6 +131,9 @@ export function setSetting(scene: BattleScene, setting: Setting, value: integer)
     case Setting.Show_Stats_on_Level_Up:
       scene.showLevelUpStats = settingOptions[setting][value] === 'On';
       break;
+    case Setting.Disable_IV_Scanner:
+      scene.disableIVScanner = settingOptions[setting][value] === 'On';
+      break;
     case Setting.EXP_Gains_Speed:
       scene.expGainsSpeed = value;
       break;