diff --git a/PKHeX.Core/PKM/PK1.cs b/PKHeX.Core/PKM/PK1.cs
index a91181c32..c0d79c62c 100644
--- a/PKHeX.Core/PKM/PK1.cs
+++ b/PKHeX.Core/PKM/PK1.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 
 namespace PKHeX.Core
 {
@@ -98,7 +99,7 @@ private void SetSpeciesValues(int value)
         public override int Version { get => (int)GameVersion.RBY; set { } }
         public override int PKRS_Strain { get => 0; set { } }
         public override int PKRS_Days { get => 0; set { } }
-        public override bool CanHoldItem(ushort[] ValidArray) => false;
+        public override bool CanHoldItem(IList<ushort> ValidArray) => false;
 
         // Maximums
         public override int MaxMoveID => Legal.MaxMoveID_1;
diff --git a/PKHeX.Core/PKM/PK3.cs b/PKHeX.Core/PKM/PK3.cs
index bc69bc770..dc9428f13 100644
--- a/PKHeX.Core/PKM/PK3.cs
+++ b/PKHeX.Core/PKM/PK3.cs
@@ -296,7 +296,7 @@ public PK4 ConvertToPK4()
             pk4.OT_Name = OT_Name;
 
             // Set Final Data
-            pk4.Met_Level = Experience.GetLevel(pk4.EXP, pk4.Species, 0);
+            pk4.Met_Level = pk4.CurrentLevel;
             pk4.Gender = PKX.GetGenderFromPID(pk4.Species, pk4.PID);
             pk4.IsNicknamed = IsNicknamed;
 
diff --git a/PKHeX.Core/PKM/PK6.cs b/PKHeX.Core/PKM/PK6.cs
index 78b9020a5..f6539e36f 100644
--- a/PKHeX.Core/PKM/PK6.cs
+++ b/PKHeX.Core/PKM/PK6.cs
@@ -395,8 +395,7 @@ public void FixMemories()
             if (IsUntraded)
                 HT_Friendship = HT_Affection = HT_TextVar = HT_Memory = HT_Intensity = HT_Feeling = 0;
             if (!Gen6)
-                /* OT_Affection = */
-                OT_TextVar = OT_Memory = OT_Intensity = OT_Feeling = 0;
+                OT_TextVar = OT_Memory = OT_Intensity = OT_Feeling = 0; // Don't clear OT affection; OR/AS Contest Glitch
 
             this.SanitizeGeoLocationData();
         }
diff --git a/PKHeX.Core/PKM/PKM.cs b/PKHeX.Core/PKM/PKM.cs
index 01ddbd2a5..61943bc1f 100644
--- a/PKHeX.Core/PKM/PKM.cs
+++ b/PKHeX.Core/PKM/PKM.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Linq;
 
 namespace PKHeX.Core
@@ -21,10 +22,18 @@ public abstract class PKM : ITrainerID, ILangNick, IGameValueLimit
         public int Box { get; set; } = -1; // Batch Editor
         public int Slot { get; set; } = -1; // Batch Editor
 
-        public virtual byte[] EncryptedPartyData => Encrypt().Take(SIZE_PARTY).ToArray();
-        public virtual byte[] EncryptedBoxData => Encrypt().Take(SIZE_STORED).ToArray();
-        public virtual byte[] DecryptedPartyData => Write().Take(SIZE_PARTY).ToArray();
-        public virtual byte[] DecryptedBoxData => Write().Take(SIZE_STORED).ToArray();
+        public virtual byte[] EncryptedPartyData => Truncate(Encrypt(), SIZE_PARTY);
+        public virtual byte[] EncryptedBoxData => Truncate(Encrypt(), SIZE_STORED);
+        public virtual byte[] DecryptedPartyData => Truncate(Write(), SIZE_PARTY);
+        public virtual byte[] DecryptedBoxData => Truncate(Write(), SIZE_STORED);
+
+        private static byte[] Truncate(byte[] data, int newSize)
+        {
+            if (data.Length != newSize)
+                Array.Resize(ref data, newSize);
+            return data;
+        }
+
         public virtual bool Valid { get => ChecksumValid && Sanity == 0; set { if (!value) return; Sanity = 0; RefreshChecksum(); } }
 
         // Trash Bytes
@@ -834,7 +843,7 @@ public bool ForcePartyData()
         /// </summary>
         /// <param name="ValidArray">Items that the <see cref="PKM"/> can hold.</param>
         /// <returns>True/False if the <see cref="PKM"/> can hold its <see cref="HeldItem"/>.</returns>
-        public virtual bool CanHoldItem(ushort[] ValidArray) => ValidArray.Contains((ushort)HeldItem);
+        public virtual bool CanHoldItem(IList<ushort> ValidArray) => ValidArray.Contains((ushort)HeldItem);
 
         /// <summary>
         /// Deep clones the <see cref="PKM"/> object. The clone will not have any shared resources with the source.