diff --git a/PKHeX.Core/Legality/Encounters/Generator/Moveset/EncounterMovesetGenerator.cs b/PKHeX.Core/Legality/Encounters/Generator/Moveset/EncounterMovesetGenerator.cs
index b747e6645..49f58b5f2 100644
--- a/PKHeX.Core/Legality/Encounters/Generator/Moveset/EncounterMovesetGenerator.cs
+++ b/PKHeX.Core/Legality/Encounters/Generator/Moveset/EncounterMovesetGenerator.cs
@@ -264,6 +264,8 @@ namespace PKHeX.Core
             {
                 if (gift is WC3 {NotDistributed: true})
                     continue;
+                if (!IsSane(chain, gift))
+                    continue;
                 if (needs.Count == 0)
                 {
                     yield return gift;
@@ -288,6 +290,8 @@ namespace PKHeX.Core
             var encounters = EncounterStaticGenerator.GetPossible(pk, chain, version);
             foreach (var enc in encounters)
             {
+                if (!IsSane(chain, enc))
+                    continue;
                 if (enc.IsUnobtainable())
                     continue;
                 if (needs.Count == 0)
@@ -339,6 +343,8 @@ namespace PKHeX.Core
             var trades = EncounterTradeGenerator.GetPossible(pk, chain, version);
             foreach (var trade in trades)
             {
+                if (!IsSane(chain, trade))
+                    continue;
                 if (needs.Count == 0)
                 {
                     yield return trade;
@@ -365,6 +371,8 @@ namespace PKHeX.Core
             var slots = EncounterSlotGenerator.GetPossible(pk, chain, version);
             foreach (var slot in slots)
             {
+                if (!IsSane(chain, slot))
+                    continue;
                 if (slot.IsUnobtainable())
                     continue;
 
@@ -383,6 +391,22 @@ namespace PKHeX.Core
             }
         }
 
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        private static bool IsSane(IReadOnlyList<EvoCriteria> chain, IEncounterTemplate enc)
+        {
+            foreach (var evo in chain)
+            {
+                if (evo.Species != enc.Species)
+                    continue;
+                if (evo.Form == enc.Form)
+                    return true;
+                if (FormInfo.IsFormChangeable(enc.Species, enc.Form, evo.Form, enc.Generation))
+                    return true;
+                break;
+            }
+            return false;
+        }
+
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         private static bool IsUnobtainable(this EncounterSlot slot)
         {
diff --git a/Tests/PKHeX.Core.Tests/Legality/LearnabilityTests.cs b/Tests/PKHeX.Core.Tests/Legality/LearnabilityTests.cs
index 2f8686d91..aae267572 100644
--- a/Tests/PKHeX.Core.Tests/Legality/LearnabilityTests.cs
+++ b/Tests/PKHeX.Core.Tests/Legality/LearnabilityTests.cs
@@ -19,6 +19,9 @@ namespace PKHeX.Tests.Legality
         }
 
         [Theory]
+        [InlineData(nameof(Species.Perrserker), "Swift")]
+        [InlineData(nameof(Species.Perrserker), "Shock Wave")]
+        [InlineData(nameof(Species.Sirfetchd), "False Swipe")]
         [InlineData(nameof(Species.Bulbasaur), "Fly")]
         [InlineData(nameof(Species.Charizard), "Bubble")]
         [InlineData(nameof(Species.Mew), "Struggle")]