diff --git a/include/battle.h b/include/battle.h
index 973ec95ef0..8e74501a15 100644
--- a/include/battle.h
+++ b/include/battle.h
@@ -514,6 +514,7 @@ struct BattleStruct
     u8 ateBerry[2]; // array id determined by side, each party pokemon as bit
     u8 stolenStats[NUM_BATTLE_STATS]; // hp byte is used for which stats to raise, other inform about by how many stages
     u8 lastMoveFailed; // as bits for each battler, for the sake of Stomping Tantrum
+    u8 debugHoldEffects[MAX_BATTLERS_COUNT]; // These override actual items' hold effects.
 };
 
 #define GET_MOVE_TYPE(move, typeArg)                        \
diff --git a/src/battle_debug.c b/src/battle_debug.c
index d8446bc461..07dea8729c 100644
--- a/src/battle_debug.c
+++ b/src/battle_debug.c
@@ -113,6 +113,7 @@ enum
     VAR_IN_LOVE,
     VAR_U16_4_ENTRIES,
     VAL_S8,
+    VAL_ITEM,
 };
 
 enum
@@ -210,6 +211,7 @@ static const u8 sText_HpAware[] = _("HP aware");
 static const u8 sText_Unknown[] = _("Unknown");
 static const u8 sText_InLove[] = _("In Love");
 static const u8 sText_AIMovePts[] = _("AI Move Pts");
+static const u8 sText_EffectOverride[] = _("Effect Override");
 
 static const u8 sText_EmptyString[] = _("");
 
@@ -856,7 +858,7 @@ static void CreateSecondaryListMenu(struct BattleDebugMenu *data)
     {
     case LIST_ITEM_ABILITY:
     case LIST_ITEM_HELD_ITEM:
-        itemsCount = 1;
+        itemsCount = 2;
         break;
     case LIST_ITEM_TYPES:
         itemsCount = 3;
@@ -990,6 +992,11 @@ static void PrintSecondaryEntries(struct BattleDebugMenu *data)
         PadString(ItemId_GetName(gBattleMons[data->battlerId].item), text);
         printer.currentY = printer.y = sSecondaryListTemplate.upText_Y;
         AddTextPrinter(&printer, 0, NULL);
+
+        PadString(sText_EffectOverride, text);
+        printer.fontId = 0;
+        printer.currentY = printer.y = sSecondaryListTemplate.upText_Y + yMultiplier;
+        AddTextPrinter(&printer, 0, NULL);
         break;
     case LIST_ITEM_TYPES:
         for (i = 0; i < 3; i++)
@@ -1122,6 +1129,12 @@ static void UpdateBattlerValue(struct BattleDebugMenu *data)
             gBattleMons[data->battlerId].status2 &= ~(STATUS2_INFATUATION);
         }
         break;
+    case VAL_ITEM:
+        if (data->currentSecondaryListItemId == 0)
+            *(u16*)(data->modifyArrows.modifiedValPtr) = data->modifyArrows.currValue;
+        else if (data->currentSecondaryListItemId == 1)
+            gBattleStruct->debugHoldEffects[data->battlerId] = data->modifyArrows.currValue;
+        break;
     }
     data->battlerWasChanged[data->battlerId] = TRUE;
 }
@@ -1338,8 +1351,11 @@ static void SetUpModifyArrows(struct BattleDebugMenu *data)
         data->modifyArrows.maxValue = ITEMS_COUNT - 1;
         data->modifyArrows.maxDigits = 3;
         data->modifyArrows.modifiedValPtr = &gBattleMons[data->battlerId].item;
-        data->modifyArrows.typeOfVal = VAL_U16;
-        data->modifyArrows.currValue = gBattleMons[data->battlerId].item;
+        data->modifyArrows.typeOfVal = VAL_ITEM;
+        if (data->currentSecondaryListItemId == 0)
+            data->modifyArrows.currValue = gBattleMons[data->battlerId].item;
+        else
+            data->modifyArrows.currValue = gBattleStruct->debugHoldEffects[data->battlerId];
         break;
     case LIST_ITEM_TYPES:
         data->modifyArrows.minValue = 0;
diff --git a/src/battle_util.c b/src/battle_util.c
index 307006226f..024a122023 100644
--- a/src/battle_util.c
+++ b/src/battle_util.c
@@ -4566,7 +4566,9 @@ u32 GetBattlerHoldEffect(u8 battlerId, bool32 checkNegating)
 
     gPotentialItemEffectBattler = battlerId;
 
-    if (gBattleMons[battlerId].item == ITEM_ENIGMA_BERRY)
+    if (USE_BATTLE_DEBUG && gBattleStruct->debugHoldEffects[battlerId] != 0)
+        return gBattleStruct->debugHoldEffects[battlerId];
+    else if (gBattleMons[battlerId].item == ITEM_ENIGMA_BERRY)
         return gEnigmaBerries[battlerId].holdEffect;
     else
         return ItemId_GetHoldEffect(gBattleMons[battlerId].item);