Fix gen4 encoding of ?

PKHeX.Core/Legality/Evolutions/Forward/EvolutionForwardPersonal.cs

@@ -68,7 +68,7 @@ private static EvoCriteria Create(ushort species, byte form, EvolutionMethod met
         Method = method.Method,
 
         // Temporarily store these and overwrite them when we clean the list.
-        LevelMin = Math.Max(min, method.Level),
+        LevelMin = Math.Max((byte)(min + method.LevelUp), method.Level),
         LevelUpRequired = GetLevelUp(method.LevelUp, currentMaxLevel, tweak),
     };
 

PKHeX.Core/Legality/Evolutions/Forward/EvolutionForwardSpecies.cs

@@ -69,7 +69,7 @@ private static EvoCriteria Create(ushort species, byte form, EvolutionMethod met
         Method = method.Method,
 
         // Temporarily store these and overwrite them when we clean the list.
-        LevelMin = Math.Max(min, method.Level),
+        LevelMin = Math.Max((byte)(min + method.LevelUp), method.Level),
         LevelUpRequired = method.LevelUp, // No need to tweak this, all games of this Type have the same default behavior.
     };
 }

PKHeX.Core/PKM/Strings/StringConverter4.cs

@@ -9,7 +9,7 @@ namespace PKHeX.Core;
 /// </summary>
 public static class StringConverter4
 {
-    private const ushort Terminator = 0xFFFF;
+    public const ushort Terminator = 0xFFFF;
 
     /// <summary>Converts Generation 4 encoded data to decoded string.</summary>
     /// <param name="data">Encoded data</param>

PKHeX.Core/PKM/Strings/StringConverter4Util.cs

@@ -68,8 +68,8 @@ public static void StripDiacriticsFR4(Span<char> input)
     private const int TableKORStart = 0x400;
     private const int TableKOREnd = 0xD65;
 
-    private const ushort SaveInvalidAs = 0x0428; // '?'
-    private const char NUL = '?';
+    private const ushort SaveInvalidAs = 0x1AC; // '?'
+    private const char NUL = (char)StringConverter4.Terminator;
     private const char EMP = NUL; // Empty, not available on keyboard.
     private const char YEN = NUL; // Yen, not available on keyboard.