diff --git a/PKHeX.Core/Legality/Encounters/Generator/EncounterMovesetGenerator.cs b/PKHeX.Core/Legality/Encounters/Generator/EncounterMovesetGenerator.cs
index b42b2764e..aea453733 100644
--- a/PKHeX.Core/Legality/Encounters/Generator/EncounterMovesetGenerator.cs
+++ b/PKHeX.Core/Legality/Encounters/Generator/EncounterMovesetGenerator.cs
@@ -139,10 +139,20 @@ private static IEnumerable<int> GetMovesForGeneration(PKM pk, IReadOnlyList<EvoC
             IEnumerable<int> moves = Legal.GetValidMoves(pk, dl, generation);
             if (generation >= 8)
             {
+                // Shared Egg Moves via daycare
+                // Any egg move can be obtained
                 var evo = dl[dl.Count - 1];
                 var shared = MoveEgg.GetEggMoves(pk, evo.Species, evo.Form, GameVersion.SW);
                 moves = moves.Concat(shared);
             }
+            if (generation == 3 && dl[0].Species == (int)Species.Shedinja)
+            {
+                // Leveling up Nincada in Gen3 levels up, evolves to Ninjask, applies moves for Ninjask, then spawns Shedinja with the current moveset.
+                // Future games spawn the Shedinja before doing Ninjask moves, so this is a special case.
+                // Can't get more than the evolved-at level move; >=2 special moves will get caught by the legality checker later.
+                var ninjask = MoveLevelUp.GetMovesLevelUp(pk, (int)Species.Ninjask, 0, 0, 100, 0, GameVersion.Any, false, 3);
+                moves = moves.Concat(ninjask);
+            }
             return moves;
         }