diff --git a/PKHeX.Core/Legality/Encounters/Templates/Gen5/EncounterStatic5N.cs b/PKHeX.Core/Legality/Encounters/Templates/Gen5/EncounterStatic5N.cs
index f0310901d..ee748f131 100644
--- a/PKHeX.Core/Legality/Encounters/Templates/Gen5/EncounterStatic5N.cs
+++ b/PKHeX.Core/Legality/Encounters/Templates/Gen5/EncounterStatic5N.cs
@@ -30,7 +30,7 @@ public sealed record EncounterStatic5N(uint PID)
     public required Nature Nature { get; init; }
     public required AbilityPermission Ability { get; init; }
 
-    public string Name => "Dream Radar Encounter";
+    public string Name => "N's Pokémon";
     public string LongName => Name;
     public byte LevelMin => Level;
     public byte LevelMax => Level;
diff --git a/PKHeX.Core/Saves/Substructures/Gen6/MyStatus6.cs b/PKHeX.Core/Saves/Substructures/Gen6/MyStatus6.cs
index d6f1ebc7c..d365e7f9d 100644
--- a/PKHeX.Core/Saves/Substructures/Gen6/MyStatus6.cs
+++ b/PKHeX.Core/Saves/Substructures/Gen6/MyStatus6.cs
@@ -6,7 +6,7 @@ namespace PKHeX.Core;
 /// <summary>
 /// Generation 6 savedata object that stores the player's trainer data.
 /// </summary>
-public class MyStatus6(SAV6 sav, Memory<byte> raw) : SaveBlock<SAV6>(sav, raw), IRegionOrigin
+public class MyStatus6(SAV6 sav, Memory<byte> raw) : SaveBlock<SAV6>(sav, raw), IRegionOrigin, IGameSync
 {
     public uint ID32
     {
@@ -51,17 +51,17 @@ public int MultiplayerSpriteID_2
     }
 
     public const int GameSyncIDSize = 16; // 64 bits
+    int IGameSync.GameSyncIDSize => GameSyncIDSize;
 
     public string GameSyncID
     {
         get => Util.GetHexStringFromBytes(Data.Slice(0x08, GameSyncIDSize / 2));
         set
         {
-            if (value.Length != GameSyncIDSize)
-                throw new ArgumentOutOfRangeException(nameof(value));
-
-            var data = Util.GetBytesFromHexString(value);
-            SAV.SetData(Data[0x8..], data);
+            ArgumentOutOfRangeException.ThrowIfNotEqual(value.Length, GameSyncIDSize);
+            Span<byte> dest = Data.Slice(8, GameSyncIDSize / 2);
+            dest.Clear();
+            Util.GetBytesFromHexString(value, dest);
         }
     }
 
diff --git a/PKHeX.Core/Saves/Substructures/Gen6/PSS6.cs b/PKHeX.Core/Saves/Substructures/Gen6/PSS6.cs
index 54b6ce2e7..d983e884e 100644
--- a/PKHeX.Core/Saves/Substructures/Gen6/PSS6.cs
+++ b/PKHeX.Core/Saves/Substructures/Gen6/PSS6.cs
@@ -60,6 +60,8 @@ private static bool ReadTrainer(List<string> result, ReadOnlySpan<byte> data)
         // uint unk4  = ReadUInt16LittleEndian(data[0x54..]);
         byte regionID = data[0x56];
         byte countryID = data[0x57];
+        // byte birthMonth = data[0x58];
+        // byte birthDay = data[0x59];
         var game = (GameVersion)data[0x5A];
         // ulong outfit = ReadUInt64LittleEndian(data.AsSpan(ofs + 0x5C));
         int favpkm = ReadUInt16LittleEndian(data[0x9C..]) & 0x7FF;
diff --git a/PKHeX.Core/Saves/Substructures/Gen7/LGPE/MyStatus7b.cs b/PKHeX.Core/Saves/Substructures/Gen7/LGPE/MyStatus7b.cs
index f1025377a..4109e7331 100644
--- a/PKHeX.Core/Saves/Substructures/Gen7/LGPE/MyStatus7b.cs
+++ b/PKHeX.Core/Saves/Substructures/Gen7/LGPE/MyStatus7b.cs
@@ -3,7 +3,7 @@
 
 namespace PKHeX.Core;
 
-public sealed class MyStatus7b(SAV7b sav, Memory<byte> raw) : SaveBlock<SAV7b>(sav, raw)
+public sealed class MyStatus7b(SAV7b sav, Memory<byte> raw) : SaveBlock<SAV7b>(sav, raw), IGameSync
 {
     // Player Information
 
@@ -40,6 +40,7 @@ public byte Gender
     }
 
     public const int GameSyncIDSize = 16; // 8 bytes
+    int IGameSync.GameSyncIDSize => GameSyncIDSize;
 
     public string GameSyncID
     {
@@ -47,9 +48,9 @@ public string GameSyncID
         set
         {
             ArgumentOutOfRangeException.ThrowIfGreaterThan(value.Length, 16);
-
-            var data = Util.GetBytesFromHexString(value);
-            SAV.SetData(Data[0x10..], data);
+            Span<byte> dest = Data.Slice(0x10, GameSyncIDSize / 2);
+            dest.Clear();
+            Util.GetBytesFromHexString(value, dest);
         }
     }
 
diff --git a/PKHeX.Core/Saves/Substructures/Gen7/MyStatus7.cs b/PKHeX.Core/Saves/Substructures/Gen7/MyStatus7.cs
index 99c4cb446..344b0a26f 100644
--- a/PKHeX.Core/Saves/Substructures/Gen7/MyStatus7.cs
+++ b/PKHeX.Core/Saves/Substructures/Gen7/MyStatus7.cs
@@ -3,10 +3,11 @@
 
 namespace PKHeX.Core;
 
-public sealed class MyStatus7(SAV7 sav, Memory<byte> raw) : SaveBlock<SAV7>(sav, raw), IRegionOrigin
+public sealed class MyStatus7(SAV7 sav, Memory<byte> raw) : SaveBlock<SAV7>(sav, raw), IRegionOrigin, IGameSync
 {
     public const int GameSyncIDSize = 16; // 64 bits
     public const int NexUniqueIDSize = 32; // 128 bits
+    int IGameSync.GameSyncIDSize => GameSyncIDSize;
 
     public uint ID32
     {
@@ -44,9 +45,9 @@ public string GameSyncID
         set
         {
             ArgumentOutOfRangeException.ThrowIfNotEqual(value.Length, GameSyncIDSize);
-
-            var data = Util.GetBytesFromHexString(value);
-            SAV.SetData(Data[0x10..], data);
+            Span<byte> dest = Data.Slice(0x10, GameSyncIDSize / 2);
+            dest.Clear();
+            Util.GetBytesFromHexString(value, dest);
         }
     }
 
@@ -56,9 +57,9 @@ public string NexUniqueID
         set
         {
             ArgumentOutOfRangeException.ThrowIfNotEqual(value.Length, NexUniqueIDSize);
-
-            var data = Util.GetBytesFromHexString(value);
-            SAV.SetData(Data[0x18..], data);
+            Span<byte> dest = Data.Slice(0x18, GameSyncIDSize / 2);
+            dest.Clear();
+            Util.GetBytesFromHexString(value, dest);
         }
     }
 
diff --git a/PKHeX.WinForms/Controls/PKM Editor/PKMEditor.cs b/PKHeX.WinForms/Controls/PKM Editor/PKMEditor.cs
index be49edc82..f1fac39e2 100644
--- a/PKHeX.WinForms/Controls/PKM Editor/PKMEditor.cs	
+++ b/PKHeX.WinForms/Controls/PKM Editor/PKMEditor.cs	
@@ -188,7 +188,7 @@ public bool HideSecretValues
 
     private readonly PictureBox[] relearnPB;
     public SaveFile RequestSaveFile => SaveFileRequested.Invoke(this, EventArgs.Empty);
-    public bool PKMIsUnsaved => FieldsLoaded && LastData.Any(b => b != 0) && !LastData.SequenceEqual(CurrentPKM.Data);
+    public bool PKMIsUnsaved => FieldsLoaded && LastData.AsSpan().ContainsAnyExcept<byte>(0) && !LastData.SequenceEqual(CurrentPKM.Data);
 
     private readonly MoveChoice[] Moves;
     private readonly ComboBox[] Relearn;