diff --git a/src/battle-scene.ts b/src/battle-scene.ts
index bb28fb0d5b6..62351c4a833 100644
--- a/src/battle-scene.ts
+++ b/src/battle-scene.ts
@@ -1669,6 +1669,11 @@ export class BattleScene extends SceneBase {
       case SpeciesId.MAUSHOLD:
       case SpeciesId.DUDUNSPARCE:
         return !randSeedInt(4) ? 1 : 0;
+      case SpeciesId.SINISTEA:
+      case SpeciesId.POLTEAGEIST:
+      case SpeciesId.POLTCHAGEIST:
+      case SpeciesId.SINISTCHA:
+        return !randSeedInt(16) ? 1 : 0;
       case SpeciesId.PIKACHU:
         if (this.currentBattle?.battleType === BattleType.TRAINER && this.currentBattle?.waveIndex < 30) {
           return 0; // Ban Cosplay and Partner Pika from Trainers before wave 30
diff --git a/src/data/pokemon-species.ts b/src/data/pokemon-species.ts
index 140b03e6d4c..4e1c01642cb 100644
--- a/src/data/pokemon-species.ts
+++ b/src/data/pokemon-species.ts
@@ -2851,11 +2851,11 @@ export function initSpecies() {
     new PokemonSpecies(SpeciesId.GRAPPLOCT, 8, false, false, false, "Jujitsu Pokémon", PokemonType.FIGHTING, null, 1.6, 39, AbilityId.LIMBER, AbilityId.NONE, AbilityId.TECHNICIAN, 480, 80, 118, 90, 70, 80, 42, 45, 50, 168, GrowthRate.MEDIUM_SLOW, 50, false),
     new PokemonSpecies(SpeciesId.SINISTEA, 8, false, false, false, "Black Tea Pokémon", PokemonType.GHOST, null, 0.1, 0.2, AbilityId.WEAK_ARMOR, AbilityId.NONE, AbilityId.CURSED_BODY, 308, 40, 45, 45, 74, 54, 50, 120, 50, 62, GrowthRate.MEDIUM_FAST, null, false, false,
       new PokemonForm("Phony Form", "phony", PokemonType.GHOST, null, 0.1, 0.2, AbilityId.WEAK_ARMOR, AbilityId.NONE, AbilityId.CURSED_BODY, 308, 40, 45, 45, 74, 54, 50, 120, 50, 62, false, "", true),
-      new PokemonForm("Antique Form", "antique", PokemonType.GHOST, null, 0.1, 0.2, AbilityId.WEAK_ARMOR, AbilityId.NONE, AbilityId.CURSED_BODY, 308, 40, 45, 45, 74, 54, 50, 120, 50, 62, false, "", true, true),
+      new PokemonForm("Antique Form", "antique", PokemonType.GHOST, null, 0.1, 0.2, AbilityId.WEAK_ARMOR, AbilityId.NONE, AbilityId.CURSED_BODY, 308, 40, 45, 45, 74, 54, 50, 120, 50, 62, false, "", true),
     ),
     new PokemonSpecies(SpeciesId.POLTEAGEIST, 8, false, false, false, "Black Tea Pokémon", PokemonType.GHOST, null, 0.2, 0.4, AbilityId.WEAK_ARMOR, AbilityId.NONE, AbilityId.CURSED_BODY, 508, 60, 65, 65, 134, 114, 70, 60, 50, 178, GrowthRate.MEDIUM_FAST, null, false, false,
       new PokemonForm("Phony Form", "phony", PokemonType.GHOST, null, 0.2, 0.4, AbilityId.WEAK_ARMOR, AbilityId.NONE, AbilityId.CURSED_BODY, 508, 60, 65, 65, 134, 114, 70, 60, 50, 178, false, "", true),
-      new PokemonForm("Antique Form", "antique", PokemonType.GHOST, null, 0.2, 0.4, AbilityId.WEAK_ARMOR, AbilityId.NONE, AbilityId.CURSED_BODY, 508, 60, 65, 65, 134, 114, 70, 60, 50, 178, false, "", true, true),
+      new PokemonForm("Antique Form", "antique", PokemonType.GHOST, null, 0.2, 0.4, AbilityId.WEAK_ARMOR, AbilityId.NONE, AbilityId.CURSED_BODY, 508, 60, 65, 65, 134, 114, 70, 60, 50, 178, false, "", true),
     ),
     new PokemonSpecies(SpeciesId.HATENNA, 8, false, false, false, "Calm Pokémon", PokemonType.PSYCHIC, null, 0.4, 3.4, AbilityId.HEALER, AbilityId.ANTICIPATION, AbilityId.MAGIC_BOUNCE, 265, 42, 30, 45, 56, 53, 39, 235, 50, 53, GrowthRate.SLOW, 0, false),
     new PokemonSpecies(SpeciesId.HATTREM, 8, false, false, false, "Serene Pokémon", PokemonType.PSYCHIC, null, 0.6, 4.8, AbilityId.HEALER, AbilityId.ANTICIPATION, AbilityId.MAGIC_BOUNCE, 370, 57, 40, 65, 86, 73, 49, 120, 50, 130, GrowthRate.SLOW, 0, false),
@@ -3109,11 +3109,11 @@ export function initSpecies() {
     new PokemonSpecies(SpeciesId.DIPPLIN, 9, false, false, false, "Candy Apple Pokémon", PokemonType.GRASS, PokemonType.DRAGON, 0.4, 4.4, AbilityId.SUPERSWEET_SYRUP, AbilityId.GLUTTONY, AbilityId.STICKY_HOLD, 485, 80, 80, 110, 95, 80, 40, 45, 50, 170, GrowthRate.ERRATIC, 50, false),
     new PokemonSpecies(SpeciesId.POLTCHAGEIST, 9, false, false, false, "Matcha Pokémon", PokemonType.GRASS, PokemonType.GHOST, 0.1, 1.1, AbilityId.HOSPITALITY, AbilityId.NONE, AbilityId.HEATPROOF, 308, 40, 45, 45, 74, 54, 50, 120, 50, 62, GrowthRate.SLOW, null, false, false,
       new PokemonForm("Counterfeit Form", "counterfeit", PokemonType.GRASS, PokemonType.GHOST, 0.1, 1.1, AbilityId.HOSPITALITY, AbilityId.NONE, AbilityId.HEATPROOF, 308, 40, 45, 45, 74, 54, 50, 120, 50, 62, false, null, true),
-      new PokemonForm("Artisan Form", "artisan", PokemonType.GRASS, PokemonType.GHOST, 0.1, 1.1, AbilityId.HOSPITALITY, AbilityId.NONE, AbilityId.HEATPROOF, 308, 40, 45, 45, 74, 54, 50, 120, 50, 62, false, null, false, true),
+      new PokemonForm("Artisan Form", "artisan", PokemonType.GRASS, PokemonType.GHOST, 0.1, 1.1, AbilityId.HOSPITALITY, AbilityId.NONE, AbilityId.HEATPROOF, 308, 40, 45, 45, 74, 54, 50, 120, 50, 62, false, "counterfeit", true),
     ),
     new PokemonSpecies(SpeciesId.SINISTCHA, 9, false, false, false, "Matcha Pokémon", PokemonType.GRASS, PokemonType.GHOST, 0.2, 2.2, AbilityId.HOSPITALITY, AbilityId.NONE, AbilityId.HEATPROOF, 508, 71, 60, 106, 121, 80, 70, 60, 50, 178, GrowthRate.SLOW, null, false, false,
-      new PokemonForm("Unremarkable Form", "unremarkable", PokemonType.GRASS, PokemonType.GHOST, 0.2, 2.2, AbilityId.HOSPITALITY, AbilityId.NONE, AbilityId.HEATPROOF, 508, 71, 60, 106, 121, 80, 70, 60, 50, 178),
-      new PokemonForm("Masterpiece Form", "masterpiece", PokemonType.GRASS, PokemonType.GHOST, 0.2, 2.2, AbilityId.HOSPITALITY, AbilityId.NONE, AbilityId.HEATPROOF, 508, 71, 60, 106, 121, 80, 70, 60, 50, 178, false, null, false, true),
+      new PokemonForm("Unremarkable Form", "unremarkable", PokemonType.GRASS, PokemonType.GHOST, 0.2, 2.2, AbilityId.HOSPITALITY, AbilityId.NONE, AbilityId.HEATPROOF, 508, 71, 60, 106, 121, 80, 70, 60, 50, 178, false, null, true),
+      new PokemonForm("Masterpiece Form", "masterpiece", PokemonType.GRASS, PokemonType.GHOST, 0.2, 2.2, AbilityId.HOSPITALITY, AbilityId.NONE, AbilityId.HEATPROOF, 508, 71, 60, 106, 121, 80, 70, 60, 50, 178, false, "unremarkable", true),
     ),
     new PokemonSpecies(SpeciesId.OKIDOGI, 9, true, false, false, "Retainer Pokémon", PokemonType.POISON, PokemonType.FIGHTING, 1.8, 92.2, AbilityId.TOXIC_CHAIN, AbilityId.NONE, AbilityId.GUARD_DOG, 555, 88, 128, 115, 58, 86, 80, 3, 0, 276, GrowthRate.SLOW, 100, false),
     new PokemonSpecies(SpeciesId.MUNKIDORI, 9, true, false, false, "Retainer Pokémon", PokemonType.POISON, PokemonType.PSYCHIC, 1, 12.2, AbilityId.TOXIC_CHAIN, AbilityId.NONE, AbilityId.FRISK, 555, 88, 75, 66, 130, 90, 106, 3, 0, 276, GrowthRate.SLOW, 100, false),