diff --git a/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic1E.cs b/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic1E.cs
index 3d1ca1b4b..e5450f987 100644
--- a/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic1E.cs
+++ b/PKHeX.Core/Legality/Encounters/EncounterStatic/EncounterStatic1E.cs
@@ -1,7 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Runtime.CompilerServices;
 
 namespace PKHeX.Core
 {
diff --git a/PKHeX.Core/Legality/Moves/MoveEgg.cs b/PKHeX.Core/Legality/Moves/MoveEgg.cs
index 35b6cfb3f..31a315688 100644
--- a/PKHeX.Core/Legality/Moves/MoveEgg.cs
+++ b/PKHeX.Core/Legality/Moves/MoveEgg.cs
@@ -112,13 +112,8 @@ public static bool GetIsSharedEggMove(PKM pkm, int gen, int move)
                 return false;
             var table = PersonalTable.SWSH;
             var entry = (PersonalInfoSWSH)table.GetFormeEntry(pkm.Species, pkm.AltForm);
-            var baseSpecies = entry.BaseSpecies;
-            var baseForm = entry.FormIndex;
-
-            // since we aren't storing entry->seed_poke_index, there's oddballs we can't handle with just personal data (?)
-            if (pkm.Species == (int)Species.Indeedee)
-                baseForm = pkm.AltForm;
-
+            var baseSpecies = entry.HatchSpecies;
+            var baseForm = entry.HatchFormIndexEverstone;
             var egg = GetEggMoves(8, baseSpecies, baseForm, GameVersion.SW);
             return Array.Exists(egg, z => z == move);
         }
diff --git a/PKHeX.Core/PersonalInfo/PersonalInfoSWSH.cs b/PKHeX.Core/PersonalInfo/PersonalInfoSWSH.cs
index c3416d916..07507c63b 100644
--- a/PKHeX.Core/PersonalInfo/PersonalInfoSWSH.cs
+++ b/PKHeX.Core/PersonalInfo/PersonalInfoSWSH.cs
@@ -117,12 +117,18 @@ public override IReadOnlyList<int> Abilities
 
         public int Species { get => BitConverter.ToUInt16(Data, 0x4C); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x4C); }
 
-        public int BaseSpecies { get => BitConverter.ToUInt16(Data, 0x56); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x56); }
-        public int BaseSpeciesForm { get => BitConverter.ToUInt16(Data, 0x58); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x58); } // local region base form
-        public int Flags { get => BitConverter.ToUInt16(Data, 0x5A); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x5A); } // not sure
+        public int HatchSpecies { get => BitConverter.ToUInt16(Data, 0x56); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x56); }
+        public int LocalFormIndex { get => BitConverter.ToUInt16(Data, 0x58); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x58); } // local region base form
+        public ushort RegionalFlags { get => BitConverter.ToUInt16(Data, 0x5A); set => BitConverter.GetBytes(value).CopyTo(Data, 0x5A); }
+        public bool IsRegionalForm { get => (RegionalFlags & 1) == 1; set => BitConverter.GetBytes((ushort)((RegionalFlags & 0xFFFE) | (value ? 1 : 0))).CopyTo(Data, 0x5A); }
         public int PokeDexIndex { get => BitConverter.ToUInt16(Data, 0x5C); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x5C); }
-        public int FormIndex { get => BitConverter.ToUInt16(Data, 0x5E); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x5E); } // form index of this entry
+        public int RegionalFormIndex { get => BitConverter.ToUInt16(Data, 0x5E); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x5E); } // form index of this entry
         public int ArmorDexIndex { get => BitConverter.ToUInt16(Data, 0xAC); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0xAC); }
         public int CrownDexIndex { get => BitConverter.ToUInt16(Data, 0xAE); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0xAE); }
+
+        /// <summary>
+        /// Gets the Forme that any offspring will hatch with, assuming it is holding an Everstone.
+        /// </summary>
+        public int HatchFormIndexEverstone => IsRegionalForm ? RegionalFormIndex : LocalFormIndex;
     }
-}
\ No newline at end of file
+}