diff --git a/src/data/trainer-config.ts b/src/data/trainer-config.ts
index 9cbec400a87..d9aab528e72 100644
--- a/src/data/trainer-config.ts
+++ b/src/data/trainer-config.ts
@@ -2192,6 +2192,7 @@ export const trainerConfigs: TrainerConfigs = {
     .setPartyMemberFunc(2, getSpeciesFilterRandomPartyMemberFunc((species: PokemonSpecies) => !pokemonEvolutions.hasOwnProperty(species.speciesId) && !pokemonPrevolutions.hasOwnProperty(species.speciesId) && species.baseTotal >= 450))
     .setSpeciesFilter(species => species.baseTotal >= 540),
   [TrainerType.RIVAL_4]: new TrainerConfig(++t).setName("Finn").setHasGenders("Ivy").setHasCharSprite().setTitle("Rival").setBoss().setStaticParty().setMoneyMultiplier(1.75).setEncounterBgm(TrainerType.RIVAL).setBattleBgm("battle_rival_2").setMixedBattleBgm("battle_rival_2").setPartyTemplates(trainerPartyTemplates.RIVAL_4)
+    .setModifierRewardFuncs(() => modifierTypes.TERA_ORB)
     .setPartyMemberFunc(0, getRandomPartyMemberFunc([ Species.VENUSAUR, Species.CHARIZARD, Species.BLASTOISE, Species.MEGANIUM, Species.TYPHLOSION, Species.FERALIGATR, Species.SCEPTILE, Species.BLAZIKEN, Species.SWAMPERT, Species.TORTERRA, Species.INFERNAPE, Species.EMPOLEON, Species.SERPERIOR, Species.EMBOAR, Species.SAMUROTT, Species.CHESNAUGHT, Species.DELPHOX, Species.GRENINJA, Species.DECIDUEYE, Species.INCINEROAR, Species.PRIMARINA, Species.RILLABOOM, Species.CINDERACE, Species.INTELEON, Species.MEOWSCARADA, Species.SKELEDIRGE, Species.QUAQUAVAL ], TrainerSlot.TRAINER, true,
       (p => {
         p.abilityIndex = 0;
diff --git a/src/modifier/modifier-type.ts b/src/modifier/modifier-type.ts
index 30ad287fd98..336cbe67ccc 100644
--- a/src/modifier/modifier-type.ts
+++ b/src/modifier/modifier-type.ts
@@ -1859,7 +1859,7 @@ const modifierPool: ModifierPool = {
     new WeightedModifierType(modifierTypes.IV_SCANNER, skipInLastClassicWaveOrDefault(4)),
     new WeightedModifierType(modifierTypes.EXP_CHARM, skipInLastClassicWaveOrDefault(8)),
     new WeightedModifierType(modifierTypes.EXP_SHARE, skipInLastClassicWaveOrDefault(10)),
-    new WeightedModifierType(modifierTypes.TERA_ORB, () => Math.min(Math.max(Math.floor(globalScene.currentBattle.waveIndex / 50) * 2, 1), 4), 4),
+    new WeightedModifierType(modifierTypes.TERA_ORB, () => !globalScene.gameMode.isClassic ? Math.min(Math.max(Math.floor(globalScene.currentBattle.waveIndex / 50) * 2, 1), 4) : 0, 4),
     new WeightedModifierType(modifierTypes.QUICK_CLAW, 3),
     new WeightedModifierType(modifierTypes.WIDE_LENS, 7),
   ].map(m => {