diff --git a/src/data/mystery-encounters/encounters/global-trade-system-encounter.ts b/src/data/mystery-encounters/encounters/global-trade-system-encounter.ts
index b50ced69918..65bbab16603 100644
--- a/src/data/mystery-encounters/encounters/global-trade-system-encounter.ts
+++ b/src/data/mystery-encounters/encounters/global-trade-system-encounter.ts
@@ -449,7 +449,7 @@ function getPokemonTradeOptions(): Map<number, EnemyPokemon[]> {
       });
       tradeOptionsMap.set(pokemon.id, tradeOptions);
     } else {
-      const originalBst = pokemon.calculateBaseStats().reduce((a, b) => a + b, 0);
+      const originalBst = pokemon.getSpeciesForm().getBaseStatTotal();
 
       const tradeOptions: PokemonSpecies[] = [];
       for (let i = 0; i < 3; i++) {
diff --git a/src/data/mystery-encounters/encounters/the-expert-pokemon-breeder-encounter.ts b/src/data/mystery-encounters/encounters/the-expert-pokemon-breeder-encounter.ts
index 702d8262cb6..5e87a40d952 100644
--- a/src/data/mystery-encounters/encounters/the-expert-pokemon-breeder-encounter.ts
+++ b/src/data/mystery-encounters/encounters/the-expert-pokemon-breeder-encounter.ts
@@ -452,7 +452,7 @@ function getSpeciesFromPool(speciesPool: (Species | BreederSpeciesEvolution)[][]
 }
 
 function calculateEggRewardsForPokemon(pokemon: PlayerPokemon): [number, number] {
-  const bst = pokemon.calculateBaseStats().reduce((a, b) => a + b, 0);
+  const bst = pokemon.getSpeciesForm().getBaseStatTotal();
   // 1 point for every 20 points below 680 BST the pokemon is, (max 18, min 1)
   const pointsFromBst = Math.min(Math.max(Math.floor((680 - bst) / 20), 1), 18);
 
diff --git a/src/data/mystery-encounters/encounters/the-strong-stuff-encounter.ts b/src/data/mystery-encounters/encounters/the-strong-stuff-encounter.ts
index 6748d133d67..9e94e87938e 100644
--- a/src/data/mystery-encounters/encounters/the-strong-stuff-encounter.ts
+++ b/src/data/mystery-encounters/encounters/the-strong-stuff-encounter.ts
@@ -147,8 +147,8 @@ export const TheStrongStuffEncounter: MysteryEncounter =
         // Sort party by bst
         const sortedParty = globalScene.getPlayerParty().slice(0)
           .sort((pokemon1, pokemon2) => {
-            const pokemon1Bst = pokemon1.calculateBaseStats().reduce((a, b) => a + b, 0);
-            const pokemon2Bst = pokemon2.calculateBaseStats().reduce((a, b) => a + b, 0);
+            const pokemon1Bst = pokemon1.getSpeciesForm().getBaseStatTotal();
+            const pokemon2Bst = pokemon2.getSpeciesForm().getBaseStatTotal();
             return pokemon2Bst - pokemon1Bst;
           });
 
diff --git a/src/data/mystery-encounters/encounters/weird-dream-encounter.ts b/src/data/mystery-encounters/encounters/weird-dream-encounter.ts
index 392a963e639..e8a4c405d5f 100644
--- a/src/data/mystery-encounters/encounters/weird-dream-encounter.ts
+++ b/src/data/mystery-encounters/encounters/weird-dream-encounter.ts
@@ -360,7 +360,7 @@ function getTeamTransformations(): PokemonTransformation[] {
     const index = pokemonTransformations.findIndex(p => p.previousPokemon.id === removed.id);
     pokemonTransformations[index].heldItems = removed.getHeldItems().filter(m => !(m instanceof PokemonFormChangeItemModifier));
 
-    const bst = removed.calculateBaseStats().reduce((a, b) => a + b, 0);
+    const bst = removed.getSpeciesForm().getBaseStatTotal();
     let newBstRange: [number, number];
     if (i < 2) {
       newBstRange = HIGH_BST_TRANSFORM_BASE_VALUES;