diff --git a/PKHeX.Core/Legality/Encounters/Templates/GO/PogoType.cs b/PKHeX.Core/Legality/Encounters/Templates/GO/PogoType.cs
index ccc140ef0..ffcc5bd88 100644
--- a/PKHeX.Core/Legality/Encounters/Templates/GO/PogoType.cs
+++ b/PKHeX.Core/Legality/Encounters/Templates/GO/PogoType.cs
@@ -56,6 +56,10 @@ public enum PogoType : byte
     /// <remarks> Unlike standard Field Research encounters, these are boosted to Level 20. </remarks>
     Research20,
 
+    /// <summary> Mythical Pokémon captured after completing Field Research. </summary>
+    /// <remarks> Unlike standard Field Research encounters, these are boosted to Level 20. </remarks>
+    ResearchM20,
+
     /// <summary> Pokémon captured after completing Field Research. Only Beast Balls can be used. </summary>
     /// <remarks> Unlike standard Field Research encounters, these are boosted to Level 20. </remarks>
     ResearchUB20,
@@ -112,6 +116,7 @@ public static class PogoTypeExtensions
         PogoType.ResearchNH => 15,
         PogoType.Research10 => 10,
         PogoType.Research20 => 20,
+        PogoType.ResearchM20 => 20,
         PogoType.ResearchUB20 => 20,
         PogoType.GBL => 20,
         PogoType.GBLM => 20,
@@ -136,6 +141,7 @@ public static class PogoTypeExtensions
         PogoType.ResearchM => 10,
         PogoType.ResearchMP => 10,
         PogoType.ResearchMH => 10,
+        PogoType.ResearchM20 => 10,
         PogoType.GBLM => 10,
         PogoType.GBLD => 0,
         PogoType.MaxBattleM => 10,
diff --git a/PKHeX.Core/Resources/legality/wild/encounter_go_home.pkl b/PKHeX.Core/Resources/legality/wild/encounter_go_home.pkl
index 55ad6a394..42dae8391 100644
Binary files a/PKHeX.Core/Resources/legality/wild/encounter_go_home.pkl and b/PKHeX.Core/Resources/legality/wild/encounter_go_home.pkl differ
diff --git a/PKHeX.Core/Resources/legality/wild/encounter_go_lgpe.pkl b/PKHeX.Core/Resources/legality/wild/encounter_go_lgpe.pkl
index e9c7e284e..9bc487446 100644
Binary files a/PKHeX.Core/Resources/legality/wild/encounter_go_lgpe.pkl and b/PKHeX.Core/Resources/legality/wild/encounter_go_lgpe.pkl differ