diff --git a/PKHeX.Core/Editing/Bulk/BatchFilters.cs b/PKHeX.Core/Editing/Bulk/BatchFilters.cs
index 061d0a5ed..a71e89ceb 100644
--- a/PKHeX.Core/Editing/Bulk/BatchFilters.cs
+++ b/PKHeX.Core/Editing/Bulk/BatchFilters.cs
@@ -22,10 +22,10 @@ public static class BatchFilters
                 (obj, cmd) => obj is SlotCache s && s.Identify().Contains(cmd.PropertyValue) == cmd.Evaluator),
 
             new MetaFilter(nameof(SlotInfoBox.Box),
-                (obj, cmd) => obj is SlotCache { Source: SlotInfoBox b } && (b.Box.ToString() == cmd.PropertyValue) == cmd.Evaluator),
+                (obj, cmd) => obj is SlotCache { Source: SlotInfoBox b } && int.TryParse(cmd.PropertyValue, out var box) && b.Box == box),
 
             new MetaFilter(nameof(ISlotInfo.Slot),
-                (obj, cmd) => obj is SlotCache s && (s.Source.Slot.ToString() == cmd.PropertyValue) == cmd.Evaluator),
+                (obj, cmd) => obj is SlotCache s && int.TryParse(cmd.PropertyValue, out var slot) && s.Source.Slot == slot),
         };
     }
 }
diff --git a/PKHeX.Core/Editing/Saves/Slots/Info/SlotInfoLoader.cs b/PKHeX.Core/Editing/Saves/Slots/Info/SlotInfoLoader.cs
index 493be556e..0d1a0ff0d 100644
--- a/PKHeX.Core/Editing/Saves/Slots/Info/SlotInfoLoader.cs
+++ b/PKHeX.Core/Editing/Saves/Slots/Info/SlotInfoLoader.cs
@@ -123,7 +123,7 @@ public static void AddBoxData(SaveFile sav, ICollection<SlotCache> db)
             {
                 for (int slot = 0; slot < sc; slot++, ctr++)
                 {
-                    var ident = new SlotInfoBox(box, slot);
+                    var ident = new SlotInfoBox(box + 1, slot + 1);
                     var result = new SlotCache(ident, bd[ctr], sav);
                     db.Add(result);
                 }
@@ -139,7 +139,7 @@ public static void AddPartyData(SaveFile sav, ICollection<SlotCache> db)
                 if (pk.Species == 0)
                     continue;
 
-                var ident = new SlotInfoParty(index);
+                var ident = new SlotInfoParty(index + 1);
                 var result = new SlotCache(ident, pk, sav);
                 db.Add(result);
             }
diff --git a/PKHeX.WinForms/Subforms/PKM Editors/BatchEditor.cs b/PKHeX.WinForms/Subforms/PKM Editors/BatchEditor.cs
index 5681424ec..3be4a7677 100644
--- a/PKHeX.WinForms/Subforms/PKM Editors/BatchEditor.cs	
+++ b/PKHeX.WinForms/Subforms/PKM Editors/BatchEditor.cs	
@@ -241,15 +241,24 @@ private void SetProgressBar(int i)
 
         private void ProcessSAV(IList<SlotCache> data, IReadOnlyList<StringInstruction> Filters, IReadOnlyList<StringInstruction> Instructions)
         {
+            if (data.Count == 0)
+                return;
+
             var filterMeta = Filters.Where(f => BatchFilters.FilterMeta.Any(z => z.IsMatch(f.PropertyName))).ToArray();
             if (filterMeta.Length != 0)
                 Filters = Filters.Except(filterMeta).ToArray();
 
+            var max = data[0].Entity.MaxSpeciesID;
+
             for (int i = 0; i < data.Count; i++)
             {
                 var entry = data[i];
                 var pk = data[i].Entity;
 
+                var spec = pk.Species;
+                if (spec <= 0 || spec > max)
+                    continue;
+
                 if (entry.Source is SlotInfoBox info && SAV.GetSlotFlags(info.Box, info.Slot).IsOverwriteProtected())
                     editor.AddSkipped();
                 else if(!BatchEditing.IsFilterMatchMeta(filterMeta, entry))