diff --git a/PKHeX.Core/Legality/LegalityCheckStrings.cs b/PKHeX.Core/Legality/LegalityCheckStrings.cs
index f98276273..04544d597 100644
--- a/PKHeX.Core/Legality/LegalityCheckStrings.cs
+++ b/PKHeX.Core/Legality/LegalityCheckStrings.cs
@@ -106,10 +106,12 @@ namespace PKHeX.Core
         public static string LEggLocationTrade { get; set; } = "Able to hatch a traded Egg at Met Location.";
         public static string LEggLocationTradeFail { get; set; } = "Invalid Egg Location, shouldn't be 'traded' while an Egg.";
         public static string LEggMetLocationFail { get; set; } = "Can't obtain Egg from Egg Location.";
+        public static string LEggNature { get; set; } = "Eggs cannot have their Stat Nature changed.";
         public static string LEggPokeathlon { get; set; } = "Eggs cannot have Pokéathlon stats.";
         public static string LEggPokerus { get; set; } = "Eggs cannot be infected with Pokérus.";
         public static string LEggPP { get; set; } = "Eggs cannot have modified move PP counts.";
         public static string LEggPPUp { get; set; } = "Cannot apply PP Ups to an Egg.";
+        public static string LEggRelearnFlags { get; set; } = "Expected no Relearn Move Flags.";
         public static string LEggShinyLeaf { get; set; } = "Eggs cannot have Shiny Leaf/Crown.";
         public static string LEggShinyPokeStar { get; set; } = "Eggs cannot be a Pokéstar Studios star.";
         public static string LEggSpecies { get; set; } = "Can't obtain Egg for this species.";
diff --git a/PKHeX.Core/Legality/Verifiers/MiscVerifier.cs b/PKHeX.Core/Legality/Verifiers/MiscVerifier.cs
index e94f67875..735f8468c 100644
--- a/PKHeX.Core/Legality/Verifiers/MiscVerifier.cs
+++ b/PKHeX.Core/Legality/Verifiers/MiscVerifier.cs
@@ -199,6 +199,14 @@ namespace PKHeX.Core
                 var msg = string.Format(LMoveFExpect_0, moves);
                 data.AddLine(GetInvalid(msg, Egg));
             }
+
+            if (pkm is PK8 pk8)
+            {
+                if (pk8.HasAnyMoveRecordFlag())
+                    data.AddLine(GetInvalid(LEggRelearnFlags, Egg));
+                if (pk8.StatNature != pk8.Nature)
+                    data.AddLine(GetInvalid(LEggNature, Egg));
+            }
         }
 
         private static void VerifyFatefulMysteryGift(LegalityAnalysis data, MysteryGift g)
diff --git a/PKHeX.Core/PKM/PK8.cs b/PKHeX.Core/PKM/PK8.cs
index e6b49ae48..934b99556 100644
--- a/PKHeX.Core/PKM/PK8.cs
+++ b/PKHeX.Core/PKM/PK8.cs
@@ -548,6 +548,14 @@ namespace PKHeX.Core
             FlagUtil.SetFlag(Data, 0x127 + ofs, index & 7, value);
         }
 
+        public bool HasAnyMoveRecordFlag()
+        {
+            for (int i = 0x127; i < 0x127 + 14; i++)
+                if (Data[i] != 0)
+                    return true;
+            return false;
+        }
+
         public byte GetFromArrayD1(int index)
         {
             if ((uint)index >= 19)