diff --git a/PKHeX.Core/Saves/Substructures/Records.cs b/PKHeX.Core/Saves/Substructures/Records.cs
index 9a497b696..b22bc82ee 100644
--- a/PKHeX.Core/Saves/Substructures/Records.cs
+++ b/PKHeX.Core/Saves/Substructures/Records.cs
@@ -30,7 +30,76 @@ public static int GetOffset(int baseOfs, int recordID)
             return -1;
         }
 
-        private static readonly int[] MaxByType = { 999999999, 9999999, 999999, 99999, 65535, 9999, 999 };
+        private static readonly int[] MaxByType = {999999999, 9999999, 999999, 99999, 65535, 9999, 999, 7};
+
+        public static int[] SpecialIndexes_6 = {29, 30, 110, 111, 112, 113, 114, 115, 116, 117};
+        public static int[] SpecialIndexes_7 = {22, 23, 110, 111, 112, 113, 114, 115, 116, 117};
+
+        /// <summary>
+        /// Festa pairs; if updating the lower index record, update the Festa Mission record if currently active?
+        /// </summary>
+        public static int[] FestaPairs_USUM =
+        {
+            175, 6,
+            176, 33,
+            177, 8,
+            179, 38,
+            181, 74,
+            182, 73,
+            183, 7,
+            184, 159,
+            185, 9,
+        };
+
+        public static readonly IReadOnlyList<int> MaxType_XY = new[]
+        {
+            0, 0, 0, 0, 0, 0, 0, 2, 2, 2,
+            0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            0, 2, 2, 2, 0, 0, 0, 0, 0, 0,
+            0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            0, 0, 0, 0, 0, 0, 0, 0, 0, 3,
+            3, 0, 0, 1, 0, 0, 0, 0, 0, 0,
+            0, 0, 0, 0, 0, 0, 0, 0, 0, 2,
+            2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+            2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 7, 5, 4, 4, 4, 4, 4, 4, 4,
+            4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+            4, 4, 4, 4, 4, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 6, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+        };
+
+        public static readonly IReadOnlyList<int> MaxType_AO = new[]
+        {
+            0, 0, 0, 0, 0, 0, 0, 2, 2, 2,
+            0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            0, 2, 2, 2, 0, 0, 0, 0, 0, 0,
+            0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            0, 0, 0, 0, 0, 0, 0, 0, 0, 3,
+            3, 0, 0, 1, 0, 0, 0, 0, 0, 0,
+            0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+            0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 7, 5, 4, 4, 4, 4, 4, 4, 4,
+            4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+            4, 4, 4, 4, 4, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 6, 4, 4,
+            4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+            7, 7, 7, 5, 5, 5, 5, 5, 5, 5,
+            5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
+        };
 
         public static readonly IReadOnlyList<int> MaxType_SM = new[]
         {
@@ -82,7 +151,6 @@ public static int GetOffset(int baseOfs, int recordID)
             5, 5, 4, 4, 4, 5, 5, 4, 5, 5
         };
 
-
         public static readonly Dictionary<int, string> RecordList_7 = new Dictionary<int, string>
         {
             {000, "Steps Taken"},