diff --git a/PKHeX.Core/Legality/Encounters/EncounterSlot/GO/PogoType.cs b/PKHeX.Core/Legality/Encounters/EncounterSlot/GO/PogoType.cs
index cddd49459..447107963 100644
--- a/PKHeX.Core/Legality/Encounters/EncounterSlot/GO/PogoType.cs
+++ b/PKHeX.Core/Legality/Encounters/EncounterSlot/GO/PogoType.cs
@@ -7,39 +7,41 @@ public enum PogoType : byte
 {
     None, // Don't use this.
 
-    /// <summary> Wild encounter, no special requirements </summary>
+    /// <summary> Pokémon captured in the wild. </summary>
     Wild,
 
-    /// <summary> Pokémon Egg, requires Lv. 1 and IV = 1 </summary>
+    /// <summary> Pokémon hatched from 2km, 5km, 7km, or 10km Eggs. </summary>
     Egg,
-    /// <summary> Strange Egg, requires Lv. 8 and IV = 1 </summary>
+    /// <summary> Pokémon hatched from Strange Eggs received from the Leaders of Team GO Rocket. </summary>
     EggS,
 
-    /// <summary> Raid Boss, requires Lv. 20 and IV = 1 </summary>
+    /// <summary> Pokémon captured after completing Raid Battles. </summary>
     Raid = 10,
-    /// <summary> Raid Boss (Mythical), requires Lv. 20 and IV = 10 </summary>
+    /// <summary> Mythical Pokémon captured after completing Raid Battles. </summary>
     RaidM,
 
-    /// <summary> Field Research Reward, requires Lv. 15 and IV = 1 </summary>
+    /// <summary> Pokémon captured after completing Field Research. </summary>
     Research = 20,
-    /// <summary> Field Research Reward (Mythical), requires Lv. 15 and IV = 10 </summary>
+    /// <summary> Mythical Pokémon captured after completing Field Research. </summary>
     ResearchM,
-    /// <summary> Field Research Reward, requires Lv. 15 and IV = 10 (Poké Ball only) </summary>
+    /// <summary> Mythical Pokémon captured after completing Field Research. Only Poké Balls can be used. </summary>
     ResearchP,
+    /// <summary> Ultra Beasts captured after completing Field Research. Only Beast Balls can be used. </summary>
+    ResearchUB,
 
-    /// <summary> GO Battle League Reward, requires Lv. 20 and IV = 1 </summary>
-    GBL,
-    /// <summary> GO Battle League Reward (Mythical), requires Lv. 20 and IV = 10 </summary>
+    /// <summary> Pokémon captured from the GO Battle League. </summary>
+    GBL = 30,
+    /// <summary> Mythical Pokémon captured from the GO Battle League. </summary>
     GBLM,
-    /// <summary> GO Battle League Reward, requires Lv. 20 and IV = 0 </summary>
+    /// <summary> Pokémon captured from the GO Battle League during GO Battle Day, excluding Legendary and Mythical Pokémon. </summary>
     /// <remarks> On GO Battle Day (September 18, 2021), IV floor and ceiling were both temporarily set to 0 for non-Legendary encounters. This was fixed at 14:43 UTC (September 17, 2021). </remarks>
     GBLZero,
-    /// <summary> GO Battle League Reward, requires Lv. 20 and IV = 0 </summary>
-    /// <remarks> On GO Battle Day (September 18, 2021), IV floor was set to 0 after a mishap that also set the IV ceiling to 0. </remarks>
+    /// <summary> Pokémon captured from the GO Battle League during GO Battle Day, excluding Legendary and Mythical Pokémon. </summary>
     GBLDay,
 
-    /// <summary> Purified, requires Lv. 8 and IV = 1 (Premier Ball only) </summary>
-    Shadow = 30,
+    /// <summary> Pokémon captured after defeating members of Team GO Rocket. Must become Purified before transferring to Pokémon HOME. </summary>
+    /// <remarks> Pokémon with this <see cref="PogoType"/> can not be moved to <see cref="GameVersion.GG"/>. </remarks>
+    Shadow = 40,
 }
 
 public static class PogoTypeExtensions
@@ -47,7 +49,7 @@ public static class PogoTypeExtensions
     /// <summary>
     /// Gets the minimum level (relative to GO's 1-<see cref="EncountersGO.MAX_LEVEL"/>) the <see cref="encounterType"/> must have.
     /// </summary>
-    /// <param name="encounterType">Descriptor indicating how the Pokémon was encountered in GO.</param>
+    /// <param name="encounterType">Descriptor indicating how the Pokémon was encountered in GO.</param>
     public static byte GetMinLevel(this PogoType encounterType) => encounterType switch
     {
         PogoType.EggS => 8,
@@ -56,6 +58,7 @@ public static class PogoTypeExtensions
         PogoType.Research => 15,
         PogoType.ResearchM => 15,
         PogoType.ResearchP => 15,
+        PogoType.ResearchUB => 15,
         PogoType.GBL => 20,
         PogoType.GBLM => 20,
         PogoType.GBLZero => 20,
@@ -67,7 +70,7 @@ public static class PogoTypeExtensions
     /// <summary>
     /// Gets the minimum IVs (relative to GO's 0-15) the <see cref="encounterType"/> must have.
     /// </summary>
-    /// <param name="encounterType">Descriptor indicating how the Pokémon was encountered in GO.</param>
+    /// <param name="encounterType">Descriptor indicating how the Pokémon was encountered in GO.</param>
     /// <returns>Required minimum IV (0-15)</returns>
     public static int GetMinIV(this PogoType encounterType) => encounterType switch
     {
@@ -84,7 +87,7 @@ public static class PogoTypeExtensions
     /// <summary>
     /// Gets the minimum IVs (relative to GO's 0-15) the <see cref="encounterType"/> must have.
     /// </summary>
-    /// <param name="encounterType">Descriptor indicating how the Pokémon was encountered in GO.</param>
+    /// <param name="encounterType">Descriptor indicating how the Pokémon was encountered in GO.</param>
     /// <returns>Required minimum IV (0-15)</returns>
     public static int GetMaxIV(this PogoType encounterType) => encounterType switch
     {
@@ -95,8 +98,8 @@ public static class PogoTypeExtensions
     /// <summary>
     /// Checks if the <see cref="ball"/> is valid for the <see cref="encounterType"/>.
     /// </summary>
-    /// <param name="encounterType">Descriptor indicating how the Pokémon was encountered in GO.</param>
-    /// <param name="ball">Current <see cref="Ball"/> the Pokémon is in.</param>
+    /// <param name="encounterType">Descriptor indicating how the Pokémon was encountered in GO.</param>
+    /// <param name="ball">Current <see cref="Ball"/> the Pokémon is in.</param>
     /// <returns>True if valid, false if invalid.</returns>
     public static bool IsBallValid(this PogoType encounterType, Ball ball)
     {
@@ -107,9 +110,9 @@ public static class PogoTypeExtensions
     }
 
     /// <summary>
-    /// Gets a valid ball that the <see cref="encounterType"/> can have based on the type of capture in Pokémon GO.
+    /// Gets a valid ball that the <see cref="encounterType"/> can have based on the type of capture in Pokémon GO.
     /// </summary>
-    /// <param name="encounterType">Descriptor indicating how the Pokémon was encountered in GO.</param>
+    /// <param name="encounterType">Descriptor indicating how the Pokémon was encountered in GO.</param>
     /// <returns><see cref="Ball.None"/> if no specific ball is required, otherwise returns the required ball.</returns>
     public static Ball GetValidBall(this PogoType encounterType) => encounterType switch
     {
@@ -118,6 +121,7 @@ public static class PogoTypeExtensions
         PogoType.Raid => Ball.Premier,
         PogoType.RaidM => Ball.Premier,
         PogoType.ResearchP => Ball.Poke,
+        PogoType.ResearchUB => Ball.Beast,
         PogoType.Shadow => Ball.Premier,
         _ => Ball.None, // Poke, Great, Ultra
     };