Made perfect IV count into a granular setting (#5115)

* Made perfect IV count into a granular setting

* Fixed optional parameter comment in SPECIES_NONE

include/constants/pokemon.h

@@ -335,6 +335,10 @@ enum EvolutionMode {
 // Used as a signal for givemon to generate a default ability by personality.
 #define NUM_ABILITY_PERSONALITY 0xFF
 
+#if P_LEGENDARY_PERFECT_IVS >= GEN_6
 #define LEGENDARY_PERFECT_IV_COUNT 3
+#else
+#define LEGENDARY_PERFECT_IV_COUNT 0
+#endif
 
 #endif // GUARD_CONSTANTS_POKEMON_H

include/pokemon.h

@@ -439,11 +439,11 @@ struct SpeciesInfo /*0xC4*/
             u32 isHisuianForm:1;
             u32 isPaldeanForm:1;
             u32 cannotBeTraded:1;
-            u32 allPerfectIVs:1;
+            u32 perfectIVCount:3;   // This species will always generate with the specified amount of perfect IVs.
             u32 dexForceRequired:1; // This species will be taken into account for Pokédex ratings even if they have the "isMythical" flag set.
             u32 tmIlliterate:1;     // This species will be unable to learn the universal moves.
             u32 isFrontierBanned:1; // This species is not allowed to participate in Battle Frontier facilities.
-            u32 padding4:14;
+            u32 padding4:12;
             // Move Data
  /* 0x80 */ const struct LevelUpMove *levelUpLearnset;
  /* 0x84 */ const u16 *teachableLearnset;

src/data/pokemon/species_info.h

@@ -211,7 +211,7 @@ const struct SpeciesInfo gSpeciesInfo[] =
                                 {EVO_ITEM, ITEM_MOOMOO_MILK, SPECIES_NONE}),
         //.formSpeciesIdTable = sNoneFormSpeciesIdTable,
         //.formChangeTable = sNoneFormChangeTable,
-        .allPerfectIVs = TRUE,
+        //.perfectIVCount = NUM_STATS,
     },
     */
 };

src/data/pokemon/species_info/gen_1_families.h

@@ -2090,6 +2090,7 @@ const struct SpeciesInfo gSpeciesInfoGen1[] =
         FOOTPRINT(Raticate)
         .isTotem = TRUE,
         .isAlolanForm = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sRaticateAlolanLevelUpLearnset,
         .teachableLearnset = sRaticateAlolanTeachableLearnset,
         .formSpeciesIdTable = sRaticateFormSpeciesIdTable,
@@ -3411,7 +3412,7 @@ const struct SpeciesInfo gSpeciesInfoGen1[] =
     #endif
         FOOTPRINT(Pikachu)
         .cannotBeTraded = TRUE,
-        .allPerfectIVs = TRUE,
+        .perfectIVCount = NUM_STATS,
         .levelUpLearnset = sPikachuLevelUpLearnset,
         .teachableLearnset = sPikachuTeachableLearnset,
         .formSpeciesIdTable = sPikachuFormSpeciesIdTable,
@@ -11836,6 +11837,7 @@ const struct SpeciesInfo gSpeciesInfoGen1[] =
         FOOTPRINT(Marowak)
         .isTotem = TRUE,
         .isAlolanForm = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sMarowakAlolanLevelUpLearnset,
         .teachableLearnset = sMarowakAlolanTeachableLearnset,
         .formSpeciesIdTable = sMarowakFormSpeciesIdTable,
@@ -15575,7 +15577,7 @@ const struct SpeciesInfo gSpeciesInfoGen1[] =
     #endif
         FOOTPRINT(Eevee)
         .cannotBeTraded = TRUE,
-        .allPerfectIVs = TRUE,
+        .perfectIVCount = NUM_STATS,
         .levelUpLearnset = sEeveeLevelUpLearnset,
         .teachableLearnset = sEeveeTeachableLearnset,
         .eggMoveLearnset = sEeveeEggMoveLearnset,
@@ -16923,6 +16925,7 @@ const struct SpeciesInfo gSpeciesInfoGen1[] =
             gShinyOverworldPalette_Articuno
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sArticunoLevelUpLearnset,
         .teachableLearnset = sArticunoTeachableLearnset,
         .formSpeciesIdTable = sArticunoFormSpeciesIdTable,
@@ -16988,6 +16991,7 @@ const struct SpeciesInfo gSpeciesInfoGen1[] =
         )
         .isLegendary = TRUE,
         .isGalarianForm = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sArticunoGalarianLevelUpLearnset,
         .teachableLearnset = sArticunoGalarianTeachableLearnset,
         .formSpeciesIdTable = sArticunoFormSpeciesIdTable,
@@ -17064,6 +17068,7 @@ const struct SpeciesInfo gSpeciesInfoGen1[] =
             gShinyOverworldPalette_Zapdos
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sZapdosLevelUpLearnset,
         .teachableLearnset = sZapdosTeachableLearnset,
         .formSpeciesIdTable = sZapdosFormSpeciesIdTable,
@@ -17128,6 +17133,7 @@ const struct SpeciesInfo gSpeciesInfoGen1[] =
         )
         .isLegendary = TRUE,
         .isGalarianForm = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sZapdosGalarianLevelUpLearnset,
         .teachableLearnset = sZapdosGalarianTeachableLearnset,
         .formSpeciesIdTable = sZapdosFormSpeciesIdTable,
@@ -17199,6 +17205,7 @@ const struct SpeciesInfo gSpeciesInfoGen1[] =
             gShinyOverworldPalette_Moltres
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sMoltresLevelUpLearnset,
         .teachableLearnset = sMoltresTeachableLearnset,
         .formSpeciesIdTable = sMoltresFormSpeciesIdTable,
@@ -17263,6 +17270,7 @@ const struct SpeciesInfo gSpeciesInfoGen1[] =
         )
         .isLegendary = TRUE,
         .isGalarianForm = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sMoltresGalarianLevelUpLearnset,
         .teachableLearnset = sMoltresGalarianTeachableLearnset,
         .formSpeciesIdTable = sMoltresFormSpeciesIdTable,
@@ -17529,6 +17537,7 @@ const struct SpeciesInfo gSpeciesInfoGen1[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sMewtwoLevelUpLearnset,
         .teachableLearnset = sMewtwoTeachableLearnset,
         .formSpeciesIdTable = sMewtwoFormSpeciesIdTable,
@@ -17587,6 +17596,7 @@ const struct SpeciesInfo gSpeciesInfoGen1[] =
         .isLegendary = TRUE,
         .isMegaEvolution = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sMewtwoLevelUpLearnset,
         .teachableLearnset = sMewtwoTeachableLearnset,
         .formSpeciesIdTable = sMewtwoFormSpeciesIdTable,
@@ -17645,6 +17655,7 @@ const struct SpeciesInfo gSpeciesInfoGen1[] =
         .isLegendary = TRUE,
         .isMegaEvolution = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sMewtwoLevelUpLearnset,
         .teachableLearnset = sMewtwoTeachableLearnset,
         .formSpeciesIdTable = sMewtwoFormSpeciesIdTable,
@@ -17721,6 +17732,7 @@ const struct SpeciesInfo gSpeciesInfoGen1[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sMewLevelUpLearnset,
         .teachableLearnset = sMewTeachableLearnset,
     },

src/data/pokemon/species_info/gen_2_families.h

@@ -6772,6 +6772,7 @@ const struct SpeciesInfo gSpeciesInfoGen2[] =
             gShinyOverworldPalette_Raikou
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sRaikouLevelUpLearnset,
         .teachableLearnset = sRaikouTeachableLearnset,
     },
@@ -6846,6 +6847,7 @@ const struct SpeciesInfo gSpeciesInfoGen2[] =
             gShinyOverworldPalette_Entei
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sEnteiLevelUpLearnset,
         .teachableLearnset = sEnteiTeachableLearnset,
     },
@@ -6920,6 +6922,7 @@ const struct SpeciesInfo gSpeciesInfoGen2[] =
             gShinyOverworldPalette_Suicune
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sSuicuneLevelUpLearnset,
         .teachableLearnset = sSuicuneTeachableLearnset,
     },
@@ -7243,6 +7246,7 @@ const struct SpeciesInfo gSpeciesInfoGen2[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sLugiaLevelUpLearnset,
         .teachableLearnset = sLugiaTeachableLearnset,
     },
@@ -7316,6 +7320,7 @@ const struct SpeciesInfo gSpeciesInfoGen2[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sHoOhLevelUpLearnset,
         .teachableLearnset = sHoOhTeachableLearnset,
     },
@@ -7389,6 +7394,7 @@ const struct SpeciesInfo gSpeciesInfoGen2[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sCelebiLevelUpLearnset,
         .teachableLearnset = sCelebiTeachableLearnset,
     },

src/data/pokemon/species_info/gen_3_families.h

@@ -10212,6 +10212,7 @@ const struct SpeciesInfo gSpeciesInfoGen3[] =
             gShinyOverworldPalette_Regirock
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sRegirockLevelUpLearnset,
         .teachableLearnset = sRegirockTeachableLearnset,
     },
@@ -10281,6 +10282,7 @@ const struct SpeciesInfo gSpeciesInfoGen3[] =
             gShinyOverworldPalette_Regice
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sRegiceLevelUpLearnset,
         .teachableLearnset = sRegiceTeachableLearnset,
     },
@@ -10351,6 +10353,7 @@ const struct SpeciesInfo gSpeciesInfoGen3[] =
             gShinyOverworldPalette_Registeel
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sRegisteelLevelUpLearnset,
         .teachableLearnset = sRegisteelTeachableLearnset,
     },
@@ -10421,6 +10424,7 @@ const struct SpeciesInfo gSpeciesInfoGen3[] =
             gShinyOverworldPalette_Latias
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sLatiasLevelUpLearnset,
         .teachableLearnset = sLatiasTeachableLearnset,
         .formSpeciesIdTable = sLatiasFormSpeciesIdTable,
@@ -10479,6 +10483,7 @@ const struct SpeciesInfo gSpeciesInfoGen3[] =
         FOOTPRINT(Latias)
         .isLegendary = TRUE,
         .isMegaEvolution = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sLatiasLevelUpLearnset,
         .teachableLearnset = sLatiasTeachableLearnset,
         .formSpeciesIdTable = sLatiasFormSpeciesIdTable,
@@ -10552,6 +10557,7 @@ const struct SpeciesInfo gSpeciesInfoGen3[] =
             gShinyOverworldPalette_Latios
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sLatiosLevelUpLearnset,
         .teachableLearnset = sLatiosTeachableLearnset,
         .formSpeciesIdTable = sLatiosFormSpeciesIdTable,
@@ -10610,6 +10616,7 @@ const struct SpeciesInfo gSpeciesInfoGen3[] =
         FOOTPRINT(Latios)
         .isLegendary = TRUE,
         .isMegaEvolution = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sLatiosLevelUpLearnset,
         .teachableLearnset = sLatiosTeachableLearnset,
         .formSpeciesIdTable = sLatiosFormSpeciesIdTable,
@@ -10684,6 +10691,7 @@ const struct SpeciesInfo gSpeciesInfoGen3[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sKyogreLevelUpLearnset,
         .teachableLearnset = sKyogreTeachableLearnset,
         .formSpeciesIdTable = sKyogreFormSpeciesIdTable,
@@ -10741,6 +10749,7 @@ const struct SpeciesInfo gSpeciesInfoGen3[] =
         .isLegendary = TRUE,
         .isPrimalReversion = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sKyogreLevelUpLearnset,
         .teachableLearnset = sKyogreTeachableLearnset,
         .formSpeciesIdTable = sKyogreFormSpeciesIdTable,
@@ -10814,6 +10823,7 @@ const struct SpeciesInfo gSpeciesInfoGen3[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sGroudonLevelUpLearnset,
         .teachableLearnset = sGroudonTeachableLearnset,
         .formSpeciesIdTable = sGroudonFormSpeciesIdTable,
@@ -10872,6 +10882,7 @@ const struct SpeciesInfo gSpeciesInfoGen3[] =
         .isLegendary = TRUE,
         .isPrimalReversion = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sGroudonLevelUpLearnset,
         .teachableLearnset = sGroudonTeachableLearnset,
         .formSpeciesIdTable = sGroudonFormSpeciesIdTable,
@@ -10948,6 +10959,7 @@ const struct SpeciesInfo gSpeciesInfoGen3[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sRayquazaLevelUpLearnset,
         .teachableLearnset = sRayquazaTeachableLearnset,
         .formSpeciesIdTable = sRayquazaFormSpeciesIdTable,
@@ -11008,6 +11020,7 @@ const struct SpeciesInfo gSpeciesInfoGen3[] =
         .isLegendary = TRUE,
         .isMegaEvolution = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sRayquazaLevelUpLearnset,
         .teachableLearnset = sRayquazaTeachableLearnset,
         .formSpeciesIdTable = sRayquazaFormSpeciesIdTable,
@@ -11084,6 +11097,7 @@ const struct SpeciesInfo gSpeciesInfoGen3[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sJirachiLevelUpLearnset,
         .teachableLearnset = sJirachiTeachableLearnset,
     },
@@ -11154,6 +11168,7 @@ const struct SpeciesInfo gSpeciesInfoGen3[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sDeoxysNormalLevelUpLearnset,
         .teachableLearnset = sDeoxysNormalTeachableLearnset,
         .formSpeciesIdTable = sDeoxysFormSpeciesIdTable,
@@ -11215,6 +11230,7 @@ const struct SpeciesInfo gSpeciesInfoGen3[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sDeoxysAttackLevelUpLearnset,
         .teachableLearnset = sDeoxysAttackTeachableLearnset,
         .formSpeciesIdTable = sDeoxysFormSpeciesIdTable,
@@ -11276,6 +11292,7 @@ const struct SpeciesInfo gSpeciesInfoGen3[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sDeoxysDefenseLevelUpLearnset,
         .teachableLearnset = sDeoxysDefenseTeachableLearnset,
         .formSpeciesIdTable = sDeoxysFormSpeciesIdTable,
@@ -11337,6 +11354,7 @@ const struct SpeciesInfo gSpeciesInfoGen3[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sDeoxysSpeedLevelUpLearnset,
         .teachableLearnset = sDeoxysSpeedTeachableLearnset,
         .formSpeciesIdTable = sDeoxysFormSpeciesIdTable,

src/data/pokemon/species_info/gen_4_families.h

@@ -5235,6 +5235,7 @@ const struct SpeciesInfo gSpeciesInfoGen4[] =
             gShinyOverworldPalette_Uxie
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sUxieLevelUpLearnset,
         .teachableLearnset = sUxieTeachableLearnset,
     },
@@ -5307,6 +5308,7 @@ const struct SpeciesInfo gSpeciesInfoGen4[] =
             gShinyOverworldPalette_Mesprit
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sMespritLevelUpLearnset,
         .teachableLearnset = sMespritTeachableLearnset,
     },
@@ -5378,6 +5380,7 @@ const struct SpeciesInfo gSpeciesInfoGen4[] =
             gShinyOverworldPalette_Azelf
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sAzelfLevelUpLearnset,
         .teachableLearnset = sAzelfTeachableLearnset,
     },
@@ -5450,6 +5453,7 @@ const struct SpeciesInfo gSpeciesInfoGen4[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sDialgaLevelUpLearnset,
         .teachableLearnset = sDialgaTeachableLearnset,
         .formSpeciesIdTable = sDialgaFormSpeciesIdTable,
@@ -5514,6 +5518,7 @@ const struct SpeciesInfo gSpeciesInfoGen4[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sDialgaLevelUpLearnset,
         .teachableLearnset = sDialgaTeachableLearnset,
         .formSpeciesIdTable = sDialgaFormSpeciesIdTable,
@@ -5588,6 +5593,7 @@ const struct SpeciesInfo gSpeciesInfoGen4[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sPalkiaLevelUpLearnset,
         .teachableLearnset = sPalkiaTeachableLearnset,
         .formSpeciesIdTable = sPalkiaFormSpeciesIdTable,
@@ -5652,6 +5658,7 @@ const struct SpeciesInfo gSpeciesInfoGen4[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sPalkiaLevelUpLearnset,
         .teachableLearnset = sPalkiaTeachableLearnset,
         .formSpeciesIdTable = sPalkiaFormSpeciesIdTable,
@@ -5723,6 +5730,7 @@ const struct SpeciesInfo gSpeciesInfoGen4[] =
             gShinyOverworldPalette_Heatran
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sHeatranLevelUpLearnset,
         .teachableLearnset = sHeatranTeachableLearnset,
     },
@@ -5792,6 +5800,7 @@ const struct SpeciesInfo gSpeciesInfoGen4[] =
             gShinyOverworldPalette_Regigigas
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sRegigigasLevelUpLearnset,
         .teachableLearnset = sRegigigasTeachableLearnset,
     },
@@ -5864,6 +5873,7 @@ const struct SpeciesInfo gSpeciesInfoGen4[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sGiratinaLevelUpLearnset,
         .teachableLearnset = sGiratinaTeachableLearnset,
         .formSpeciesIdTable = sGiratinaFormSpeciesIdTable,
@@ -5929,6 +5939,7 @@ const struct SpeciesInfo gSpeciesInfoGen4[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sGiratinaLevelUpLearnset,
         .teachableLearnset = sGiratinaTeachableLearnset,
         .formSpeciesIdTable = sGiratinaFormSpeciesIdTable,
@@ -6001,6 +6012,7 @@ const struct SpeciesInfo gSpeciesInfoGen4[] =
             gShinyOverworldPalette_Cresselia
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sCresseliaLevelUpLearnset,
         .teachableLearnset = sCresseliaTeachableLearnset,
     },
@@ -6072,6 +6084,7 @@ const struct SpeciesInfo gSpeciesInfoGen4[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sPhioneLevelUpLearnset,
         .teachableLearnset = sPhioneTeachableLearnset,
     },
@@ -6141,6 +6154,7 @@ const struct SpeciesInfo gSpeciesInfoGen4[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sManaphyLevelUpLearnset,
         .teachableLearnset = sManaphyTeachableLearnset,
     },
@@ -6213,6 +6227,7 @@ const struct SpeciesInfo gSpeciesInfoGen4[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sDarkraiLevelUpLearnset,
         .teachableLearnset = sDarkraiTeachableLearnset,
     },
@@ -6287,6 +6302,7 @@ const struct SpeciesInfo gSpeciesInfoGen4[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sShayminLandLevelUpLearnset,
         .teachableLearnset = sShayminLandTeachableLearnset,
         .formSpeciesIdTable = sShayminFormSpeciesIdTable,
@@ -6350,6 +6366,7 @@ const struct SpeciesInfo gSpeciesInfoGen4[] =
         FOOTPRINT(Shaymin)
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sShayminSkyLevelUpLearnset,
         .teachableLearnset = sShayminSkyTeachableLearnset,
         .formSpeciesIdTable = sShayminFormSpeciesIdTable,
@@ -6432,6 +6449,7 @@ const struct SpeciesInfo gSpeciesInfoGen4[] =
         .formChangeTable = sArceusFormChangeTable,                                  \
         .isMythical = TRUE,                                                         \
         .isFrontierBanned = TRUE,                                                   \
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT, \
     }
 
     [SPECIES_ARCEUS_NORMAL]   = ARCEUS_SPECIES_INFO(TYPE_NORMAL,   Normal,   1),

src/data/pokemon/species_info/gen_5_families.h

@@ -62,6 +62,7 @@ const struct SpeciesInfo gSpeciesInfoGen5[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sVictiniLevelUpLearnset,
         .teachableLearnset = sVictiniTeachableLearnset,
     },
@@ -10795,6 +10796,7 @@ const struct SpeciesInfo gSpeciesInfoGen5[] =
             gShinyOverworldPalette_Cobalion
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sCobalionLevelUpLearnset,
         .teachableLearnset = sCobalionTeachableLearnset,
     },
@@ -10858,6 +10860,7 @@ const struct SpeciesInfo gSpeciesInfoGen5[] =
             gShinyOverworldPalette_Terrakion
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sTerrakionLevelUpLearnset,
         .teachableLearnset = sTerrakionTeachableLearnset,
     },
@@ -10921,6 +10924,7 @@ const struct SpeciesInfo gSpeciesInfoGen5[] =
             gShinyOverworldPalette_Virizion
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sVirizionLevelUpLearnset,
         .teachableLearnset = sVirizionTeachableLearnset,
     },
@@ -10985,6 +10989,7 @@ const struct SpeciesInfo gSpeciesInfoGen5[] =
             gShinyOverworldPalette_TornadusIncarnate
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sTornadusLevelUpLearnset,
         .teachableLearnset = sTornadusTeachableLearnset,
         .formSpeciesIdTable = sTornadusFormSpeciesIdTable,
@@ -11040,6 +11045,7 @@ const struct SpeciesInfo gSpeciesInfoGen5[] =
         .iconPalIndex = 1,
         FOOTPRINT(Tornadus)
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sTornadusLevelUpLearnset,
         .teachableLearnset = sTornadusTeachableLearnset,
         .formSpeciesIdTable = sTornadusFormSpeciesIdTable,
@@ -11106,6 +11112,7 @@ const struct SpeciesInfo gSpeciesInfoGen5[] =
             gShinyOverworldPalette_ThundurusIncarnate
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sThundurusLevelUpLearnset,
         .teachableLearnset = sThundurusTeachableLearnset,
         .formSpeciesIdTable = sThundurusFormSpeciesIdTable,
@@ -11162,6 +11169,7 @@ const struct SpeciesInfo gSpeciesInfoGen5[] =
         .iconPalIndex = 0,
         FOOTPRINT(Thundurus)
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sThundurusLevelUpLearnset,
         .teachableLearnset = sThundurusTeachableLearnset,
         .formSpeciesIdTable = sThundurusFormSpeciesIdTable,
@@ -11228,6 +11236,7 @@ const struct SpeciesInfo gSpeciesInfoGen5[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sReshiramLevelUpLearnset,
         .teachableLearnset = sReshiramTeachableLearnset,
     },
@@ -11292,6 +11301,7 @@ const struct SpeciesInfo gSpeciesInfoGen5[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sZekromLevelUpLearnset,
         .teachableLearnset = sZekromTeachableLearnset,
     },
@@ -11356,6 +11366,7 @@ const struct SpeciesInfo gSpeciesInfoGen5[] =
             gShinyOverworldPalette_LandorusIncarnate
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sLandorusLevelUpLearnset,
         .teachableLearnset = sLandorusTeachableLearnset,
         .formSpeciesIdTable = sLandorusFormSpeciesIdTable,
@@ -11411,6 +11422,7 @@ const struct SpeciesInfo gSpeciesInfoGen5[] =
         .iconPalIndex = 0,
         FOOTPRINT(Landorus)
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sLandorusLevelUpLearnset,
         .teachableLearnset = sLandorusTeachableLearnset,
         .formSpeciesIdTable = sLandorusFormSpeciesIdTable,
@@ -11480,6 +11492,7 @@ const struct SpeciesInfo gSpeciesInfoGen5[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sKyuremLevelUpLearnset,
         .teachableLearnset = sKyuremTeachableLearnset,
         .formSpeciesIdTable = sKyuremFormSpeciesIdTable,
@@ -11544,6 +11557,7 @@ const struct SpeciesInfo gSpeciesInfoGen5[] =
         .isLegendary = TRUE,
         .cannotBeTraded = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sKyuremWhiteLevelUpLearnset,
         .teachableLearnset = sKyuremTeachableLearnset,
         .formSpeciesIdTable = sKyuremFormSpeciesIdTable,
@@ -11607,6 +11621,7 @@ const struct SpeciesInfo gSpeciesInfoGen5[] =
         .isLegendary = TRUE,
         .cannotBeTraded = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sKyuremBlackLevelUpLearnset,
         .teachableLearnset = sKyuremTeachableLearnset,
         .formSpeciesIdTable = sKyuremFormSpeciesIdTable,
@@ -11673,6 +11688,7 @@ const struct SpeciesInfo gSpeciesInfoGen5[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sKeldeoLevelUpLearnset,
         .teachableLearnset = sKeldeoTeachableLearnset,
         .formSpeciesIdTable = sKeldeoFormSpeciesIdTable,
@@ -11730,6 +11746,7 @@ const struct SpeciesInfo gSpeciesInfoGen5[] =
         FOOTPRINT(Keldeo)
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sKeldeoLevelUpLearnset,
         .teachableLearnset = sKeldeoTeachableLearnset,
         .formSpeciesIdTable = sKeldeoFormSpeciesIdTable,
@@ -11802,6 +11819,7 @@ const struct SpeciesInfo gSpeciesInfoGen5[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sMeloettaLevelUpLearnset,
         .teachableLearnset = sMeloettaTeachableLearnset,
         .formSpeciesIdTable = sMeloettaFormSpeciesIdTable,
@@ -11871,6 +11889,7 @@ const struct SpeciesInfo gSpeciesInfoGen5[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sMeloettaLevelUpLearnset,
         .teachableLearnset = sMeloettaTeachableLearnset,
         .formSpeciesIdTable = sMeloettaFormSpeciesIdTable,
@@ -11939,6 +11958,7 @@ const struct SpeciesInfo gSpeciesInfoGen5[] =
         .formChangeTable = sGenesectFormChangeTable,                                \
         .isMythical = TRUE,                                                         \
         .isFrontierBanned = TRUE,                                                   \
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT, \
     }
 
     [SPECIES_GENESECT]             = GENESECT_SPECIES_INFO(Genesect),

src/data/pokemon/species_info/gen_6_families.h

@@ -5280,6 +5280,7 @@ const struct SpeciesInfo gSpeciesInfoGen6[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sXerneasLevelUpLearnset,
         .teachableLearnset = sXerneasTeachableLearnset,
         .formSpeciesIdTable = sXerneasFormSpeciesIdTable,
@@ -5340,6 +5341,7 @@ const struct SpeciesInfo gSpeciesInfoGen6[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sXerneasLevelUpLearnset,
         .teachableLearnset = sXerneasTeachableLearnset,
         .formSpeciesIdTable = sXerneasFormSpeciesIdTable,
@@ -5407,6 +5409,7 @@ const struct SpeciesInfo gSpeciesInfoGen6[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sYveltalLevelUpLearnset,
         .teachableLearnset = sYveltalTeachableLearnset,
     },
@@ -5468,6 +5471,7 @@ const struct SpeciesInfo gSpeciesInfoGen6[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sZygardeLevelUpLearnset,
         .teachableLearnset = sZygardeTeachableLearnset,
         .formSpeciesIdTable = sZygardeFormSpeciesIdTable,
@@ -5528,6 +5532,7 @@ const struct SpeciesInfo gSpeciesInfoGen6[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sZygardeLevelUpLearnset,
         .teachableLearnset = sZygardeTeachableLearnset,
         .formSpeciesIdTable = sZygardeFormSpeciesIdTable,
@@ -5580,6 +5585,7 @@ const struct SpeciesInfo gSpeciesInfoGen6[] =
         FOOTPRINT(Zygarde)
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sZygardeLevelUpLearnset,
         .teachableLearnset = sZygardeTeachableLearnset,
         .formSpeciesIdTable = sZygardeFormSpeciesIdTable,
@@ -5633,6 +5639,7 @@ const struct SpeciesInfo gSpeciesInfoGen6[] =
         FOOTPRINT(Zygarde)
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sZygardeLevelUpLearnset,
         .teachableLearnset = sZygardeTeachableLearnset,
         .formSpeciesIdTable = sZygardeFormSpeciesIdTable,
@@ -5690,6 +5697,7 @@ const struct SpeciesInfo gSpeciesInfoGen6[] =
         FOOTPRINT(Zygarde)
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sZygardeLevelUpLearnset,
         .teachableLearnset = sZygardeTeachableLearnset,
         .formSpeciesIdTable = sZygardeFormSpeciesIdTable,
@@ -5757,6 +5765,7 @@ const struct SpeciesInfo gSpeciesInfoGen6[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sDiancieLevelUpLearnset,
         .teachableLearnset = sDiancieTeachableLearnset,
         .formSpeciesIdTable = sDiancieFormSpeciesIdTable,
@@ -5816,6 +5825,7 @@ const struct SpeciesInfo gSpeciesInfoGen6[] =
         .isMythical = TRUE,
         .isMegaEvolution = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sDiancieLevelUpLearnset,
         .teachableLearnset = sDiancieTeachableLearnset,
         .formSpeciesIdTable = sDiancieFormSpeciesIdTable,
@@ -5884,6 +5894,7 @@ const struct SpeciesInfo gSpeciesInfoGen6[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sHoopaConfinedLevelUpLearnset,
         .teachableLearnset = sHoopaConfinedTeachableLearnset,
         .formSpeciesIdTable = sHoopaFormSpeciesIdTable,
@@ -5949,6 +5960,7 @@ const struct SpeciesInfo gSpeciesInfoGen6[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sHoopaUnboundLevelUpLearnset,
         .teachableLearnset = sHoopaUnboundTeachableLearnset,
         .formSpeciesIdTable = sHoopaFormSpeciesIdTable,
@@ -6015,6 +6027,7 @@ const struct SpeciesInfo gSpeciesInfoGen6[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sVolcanionLevelUpLearnset,
         .teachableLearnset = sVolcanionTeachableLearnset,
     },

src/data/pokemon/species_info/gen_7_families.h

@@ -989,6 +989,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_Gumshoos
         )
         .isTotem = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sGumshoosLevelUpLearnset,
         .teachableLearnset = sGumshoosTeachableLearnset,
         .formSpeciesIdTable = sGumshoosFormSpeciesIdTable,
@@ -1234,6 +1235,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_Vikavolt
         )
         .isTotem = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sVikavoltLevelUpLearnset,
         .teachableLearnset = sVikavoltTeachableLearnset,
         .formSpeciesIdTable = sVikavoltFormSpeciesIdTable,
@@ -1781,6 +1783,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_Ribombee
         )
         .isTotem = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sRibombeeLevelUpLearnset,
         .teachableLearnset = sRibombeeTeachableLearnset,
         .formSpeciesIdTable = sRibombeeFormSpeciesIdTable,
@@ -2641,6 +2644,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_Araquanid
         )
         .isTotem = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sAraquanidLevelUpLearnset,
         .teachableLearnset = sAraquanidTeachableLearnset,
         .formSpeciesIdTable = sAraquanidFormSpeciesIdTable,
@@ -2824,6 +2828,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_Lurantis
         )
         .isTotem = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sLurantisLevelUpLearnset,
         .teachableLearnset = sLurantisTeachableLearnset,
         .formSpeciesIdTable = sLurantisFormSpeciesIdTable,
@@ -3135,6 +3140,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_Salazzle
         )
         .isTotem = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sSalazzleLevelUpLearnset,
         .teachableLearnset = sSalazzleTeachableLearnset,
         .formSpeciesIdTable = sSalanditFormSpeciesIdTable,
@@ -4018,6 +4024,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_TypeNull
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sTypeNullLevelUpLearnset,
         .teachableLearnset = sTypeNullTeachableLearnset,
         .evolutions = EVOLUTION({EVO_FRIENDSHIP, 0, SPECIES_SILVALLY_NORMAL}),
@@ -4042,7 +4049,6 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
         .eggGroups = MON_EGG_GROUPS(EGG_GROUP_NO_EGGS_DISCOVERED),                  \
         .abilities = { ABILITY_RKS_SYSTEM, ABILITY_NONE, ABILITY_NONE },            \
         .bodyColor = BODY_COLOR_GRAY,                                               \
-        .isLegendary = TRUE,                                                \
         .speciesName = _("Silvally"),                                               \
         .cryId = CRY_SILVALLY,                                                      \
         .natDexNum = NATIONAL_DEX_SILVALLY,                                         \
@@ -4078,6 +4084,8 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gOverworldPalette_Silvally,                                             \
             gShinyOverworldPalette_Silvally                                         \
         )                                                                           \
+        .isLegendary = TRUE,                                                        \
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT, \
         .levelUpLearnset = sSilvallyLevelUpLearnset,                                \
         .teachableLearnset = sSilvallyTeachableLearnset,                            \
         .formSpeciesIdTable = sSilvallyFormSpeciesIdTable,                          \
@@ -4455,6 +4463,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_Togedemaru
         )
         .isTotem = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sTogedemaruLevelUpLearnset,
         .teachableLearnset = sTogedemaruTeachableLearnset,
         .eggMoveLearnset = sTogedemaruEggMoveLearnset,
@@ -4621,6 +4630,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
         .iconPalIndex = 1,
         FOOTPRINT(Mimikyu)
         .isTotem = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sMimikyuLevelUpLearnset,
         .teachableLearnset = sMimikyuTeachableLearnset,
         .eggMoveLearnset = sMimikyuEggMoveLearnset,
@@ -4674,6 +4684,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
         .iconPalIndex = 1,
         FOOTPRINT(Mimikyu)
         .isTotem = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sMimikyuLevelUpLearnset,
         .teachableLearnset = sMimikyuTeachableLearnset,
         .eggMoveLearnset = sMimikyuEggMoveLearnset,
@@ -5113,6 +5124,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_KommoO
         )
         .isTotem = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sKommoOLevelUpLearnset,
         .teachableLearnset = sKommoOTeachableLearnset,
         .formSpeciesIdTable = sKommoOFormSpeciesIdTable,
@@ -5178,6 +5190,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_TapuKoko
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sTapuKokoLevelUpLearnset,
         .teachableLearnset = sTapuKokoTeachableLearnset,
     },
@@ -5242,6 +5255,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_TapuLele
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sTapuLeleLevelUpLearnset,
         .teachableLearnset = sTapuLeleTeachableLearnset,
     },
@@ -5306,6 +5320,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_TapuBulu
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sTapuBuluLevelUpLearnset,
         .teachableLearnset = sTapuBuluTeachableLearnset,
     },
@@ -5371,6 +5386,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_TapuFini
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sTapuFiniLevelUpLearnset,
         .teachableLearnset = sTapuFiniTeachableLearnset,
     },
@@ -5437,6 +5453,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
         .isLegendary = TRUE,
         .tmIlliterate = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sCosmogLevelUpLearnset,
         .teachableLearnset = sCosmogTeachableLearnset,
         .evolutions = EVOLUTION({EVO_LEVEL, 43, SPECIES_COSMOEM}),
@@ -5503,6 +5520,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
         .isLegendary = TRUE,
         .tmIlliterate = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sCosmoemLevelUpLearnset,
         .teachableLearnset = sCosmoemTeachableLearnset,
         .evolutions = EVOLUTION({EVO_LEVEL_DAY, 53, SPECIES_SOLGALEO},
@@ -5567,6 +5585,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sSolgaleoLevelUpLearnset,
         .teachableLearnset = sSolgaleoTeachableLearnset,
     },
@@ -5630,6 +5649,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sLunalaLevelUpLearnset,
         .teachableLearnset = sLunalaTeachableLearnset,
     },
@@ -5694,6 +5714,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_Nihilego
         )
         .isUltraBeast = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sNihilegoLevelUpLearnset,
         .teachableLearnset = sNihilegoTeachableLearnset,
     },
@@ -5758,6 +5779,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_Buzzwole
         )
         .isUltraBeast = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sBuzzwoleLevelUpLearnset,
         .teachableLearnset = sBuzzwoleTeachableLearnset,
     },
@@ -5821,6 +5843,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_Pheromosa
         )
         .isUltraBeast = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sPheromosaLevelUpLearnset,
         .teachableLearnset = sPheromosaTeachableLearnset,
     },
@@ -5884,6 +5907,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_Xurkitree
         )
         .isUltraBeast = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sXurkitreeLevelUpLearnset,
         .teachableLearnset = sXurkitreeTeachableLearnset,
     },
@@ -5949,6 +5973,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_Celesteela
         )
         .isUltraBeast = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sCelesteelaLevelUpLearnset,
         .teachableLearnset = sCelesteelaTeachableLearnset,
     },
@@ -6013,6 +6038,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_Kartana
         )
         .isUltraBeast = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sKartanaLevelUpLearnset,
         .teachableLearnset = sKartanaTeachableLearnset,
     },
@@ -6076,6 +6102,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_Guzzlord
         )
         .isUltraBeast = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sGuzzlordLevelUpLearnset,
         .teachableLearnset = sGuzzlordTeachableLearnset,
     },
@@ -6143,6 +6170,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sNecrozmaLevelUpLearnset,
         .teachableLearnset = sNecrozmaTeachableLearnset,
         .formSpeciesIdTable = sNecrozmaFormSpeciesIdTable,
@@ -6209,6 +6237,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
         .isLegendary = TRUE,
         .cannotBeTraded = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sNecrozmaLevelUpLearnset,
         .teachableLearnset = sNecrozmaTeachableLearnset,
         .formSpeciesIdTable = sNecrozmaFormSpeciesIdTable,
@@ -6276,6 +6305,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
         .isLegendary = TRUE,
         .cannotBeTraded = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sNecrozmaLevelUpLearnset,
         .teachableLearnset = sNecrozmaTeachableLearnset,
         .formSpeciesIdTable = sNecrozmaFormSpeciesIdTable,
@@ -6339,6 +6369,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
         .isUltraBurst = TRUE,
         .cannotBeTraded = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sNecrozmaLevelUpLearnset,
         .teachableLearnset = sNecrozmaTeachableLearnset,
         .formSpeciesIdTable = sNecrozmaFormSpeciesIdTable,
@@ -6406,6 +6437,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sMagearnaLevelUpLearnset,
         .teachableLearnset = sMagearnaTeachableLearnset,
         .formSpeciesIdTable = sMagearnaFormSpeciesIdTable,
@@ -6460,6 +6492,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
         FOOTPRINT(Magearna)
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sMagearnaLevelUpLearnset,
         .teachableLearnset = sMagearnaTeachableLearnset,
         .formSpeciesIdTable = sMagearnaFormSpeciesIdTable,
@@ -6527,6 +6560,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sMarshadowLevelUpLearnset,
         .teachableLearnset = sMarshadowTeachableLearnset,
     },
@@ -6590,6 +6624,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_Poipole
         )
         .isUltraBeast = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sPoipoleLevelUpLearnset,
         .teachableLearnset = sPoipoleTeachableLearnset,
         .evolutions = EVOLUTION({EVO_MOVE, MOVE_DRAGON_PULSE, SPECIES_NAGANADEL}),
@@ -6652,6 +6687,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_Naganadel
         )
         .isUltraBeast = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sNaganadelLevelUpLearnset,
         .teachableLearnset = sNaganadelTeachableLearnset,
     },
@@ -6715,6 +6751,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_Stakataka
         )
         .isUltraBeast = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sStakatakaLevelUpLearnset,
         .teachableLearnset = sStakatakaTeachableLearnset,
     },
@@ -6778,6 +6815,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
             gShinyOverworldPalette_Blacephalon
         )
         .isUltraBeast = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sBlacephalonLevelUpLearnset,
         .teachableLearnset = sBlacephalonTeachableLearnset,
     },
@@ -6841,6 +6879,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sZeraoraLevelUpLearnset,
         .teachableLearnset = sZeraoraTeachableLearnset,
     },
@@ -6904,6 +6943,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sMeltanLevelUpLearnset,
         .teachableLearnset = sMeltanTeachableLearnset,
     },
@@ -6965,6 +7005,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sMelmetalLevelUpLearnset,
         .teachableLearnset = sMelmetalTeachableLearnset,
         .formSpeciesIdTable = sMelmetalFormSpeciesIdTable,
@@ -7023,6 +7064,7 @@ const struct SpeciesInfo gSpeciesInfoGen7[] =
         .isMythical = TRUE,
         .isGigantamax = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sMelmetalLevelUpLearnset,
         .teachableLearnset = sMelmetalTeachableLearnset,
         .formSpeciesIdTable = sMelmetalFormSpeciesIdTable,

src/data/pokemon/species_info/gen_8_families.h

@@ -6261,6 +6261,7 @@ const struct SpeciesInfo gSpeciesInfoGen8[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sZacianLevelUpLearnset,
         .teachableLearnset = sZacianTeachableLearnset,
         .formSpeciesIdTable = sZacianFormSpeciesIdTable,
@@ -6325,6 +6326,7 @@ const struct SpeciesInfo gSpeciesInfoGen8[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sZacianLevelUpLearnset,
         .teachableLearnset = sZacianTeachableLearnset,
         .formSpeciesIdTable = sZacianFormSpeciesIdTable,
@@ -6391,6 +6393,7 @@ const struct SpeciesInfo gSpeciesInfoGen8[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sZamazentaLevelUpLearnset,
         .teachableLearnset = sZamazentaTeachableLearnset,
         .formSpeciesIdTable = sZamazentaFormSpeciesIdTable,
@@ -6455,6 +6458,7 @@ const struct SpeciesInfo gSpeciesInfoGen8[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sZamazentaLevelUpLearnset,
         .teachableLearnset = sZamazentaTeachableLearnset,
         .formSpeciesIdTable = sZamazentaFormSpeciesIdTable,
@@ -6522,6 +6526,7 @@ const struct SpeciesInfo gSpeciesInfoGen8[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sEternatusLevelUpLearnset,
         .teachableLearnset = sEternatusTeachableLearnset,
         .formSpeciesIdTable = sEternatusFormSpeciesIdTable,
@@ -6578,6 +6583,7 @@ const struct SpeciesInfo gSpeciesInfoGen8[] =
         FOOTPRINT(Eternatus)
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sEternatusLevelUpLearnset,
         .teachableLearnset = sEternatusTeachableLearnset,
         .formSpeciesIdTable = sEternatusFormSpeciesIdTable,
@@ -6641,6 +6647,7 @@ const struct SpeciesInfo gSpeciesInfoGen8[] =
             gShinyOverworldPalette_Kubfu
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sKubfuLevelUpLearnset,
         .teachableLearnset = sKubfuTeachableLearnset,
         .evolutions = EVOLUTION({EVO_DARK_SCROLL, 0, SPECIES_URSHIFU_SINGLE_STRIKE_STYLE},
@@ -6706,6 +6713,7 @@ const struct SpeciesInfo gSpeciesInfoGen8[] =
             gShinyOverworldPalette_Urshifu
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sUrshifuSingleStrikeStyleLevelUpLearnset,
         .teachableLearnset = sUrshifuSingleStrikeStyleTeachableLearnset,
         .formSpeciesIdTable = sUrshifuFormSpeciesIdTable,
@@ -6763,6 +6771,7 @@ const struct SpeciesInfo gSpeciesInfoGen8[] =
         FOOTPRINT(Urshifu)
         .isLegendary = TRUE,
         .isGigantamax = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sUrshifuSingleStrikeStyleLevelUpLearnset,
         .teachableLearnset = sUrshifuSingleStrikeStyleTeachableLearnset,
         .formSpeciesIdTable = sUrshifuFormSpeciesIdTable,
@@ -6826,6 +6835,7 @@ const struct SpeciesInfo gSpeciesInfoGen8[] =
             gShinyOverworldPalette_Urshifu
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sUrshifuRapidStrikeStyleLevelUpLearnset,
         .teachableLearnset = sUrshifuRapidStrikeStyleTeachableLearnset,
         .formSpeciesIdTable = sUrshifuFormSpeciesIdTable,
@@ -6883,6 +6893,7 @@ const struct SpeciesInfo gSpeciesInfoGen8[] =
         FOOTPRINT(Urshifu)
         .isLegendary = TRUE,
         .isGigantamax = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sUrshifuRapidStrikeStyleLevelUpLearnset,
         .teachableLearnset = sUrshifuRapidStrikeStyleTeachableLearnset,
         .formSpeciesIdTable = sUrshifuFormSpeciesIdTable,
@@ -6950,6 +6961,7 @@ const struct SpeciesInfo gSpeciesInfoGen8[] =
         )
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sZarudeLevelUpLearnset,
         .teachableLearnset = sZarudeTeachableLearnset,
         .formSpeciesIdTable = sZarudeFormSpeciesIdTable,
@@ -7004,6 +7016,7 @@ const struct SpeciesInfo gSpeciesInfoGen8[] =
         FOOTPRINT(Zarude)
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sZarudeLevelUpLearnset,
         .teachableLearnset = sZarudeTeachableLearnset,
         .formSpeciesIdTable = sZarudeFormSpeciesIdTable,
@@ -7069,6 +7082,7 @@ const struct SpeciesInfo gSpeciesInfoGen8[] =
             gShinyOverworldPalette_Regieleki
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sRegielekiLevelUpLearnset,
         .teachableLearnset = sRegielekiTeachableLearnset,
     },
@@ -7133,6 +7147,7 @@ const struct SpeciesInfo gSpeciesInfoGen8[] =
             gShinyOverworldPalette_Regidrago
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sRegidragoLevelUpLearnset,
         .teachableLearnset = sRegidragoTeachableLearnset,
     },
@@ -7195,6 +7210,7 @@ const struct SpeciesInfo gSpeciesInfoGen8[] =
             gShinyOverworldPalette_Glastrier
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sGlastrierLevelUpLearnset,
         .teachableLearnset = sGlastrierTeachableLearnset,
     },
@@ -7258,6 +7274,7 @@ const struct SpeciesInfo gSpeciesInfoGen8[] =
             gShinyOverworldPalette_Spectrier
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sSpectrierLevelUpLearnset,
         .teachableLearnset = sSpectrierTeachableLearnset,
     },
@@ -7322,6 +7339,7 @@ const struct SpeciesInfo gSpeciesInfoGen8[] =
         )
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sCalyrexLevelUpLearnset,
         .teachableLearnset = sCalyrexTeachableLearnset,
         .formSpeciesIdTable = sCalyrexFormSpeciesIdTable,
@@ -7387,6 +7405,7 @@ const struct SpeciesInfo gSpeciesInfoGen8[] =
         .isLegendary = TRUE,
         .cannotBeTraded = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sCalyrexIceRiderLevelUpLearnset,
         .teachableLearnset = sCalyrexIceRiderTeachableLearnset,
         .formSpeciesIdTable = sCalyrexFormSpeciesIdTable,
@@ -7451,6 +7470,7 @@ const struct SpeciesInfo gSpeciesInfoGen8[] =
         .isLegendary = TRUE,
         .cannotBeTraded = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sCalyrexShadowRiderLevelUpLearnset,
         .teachableLearnset = sCalyrexShadowRiderTeachableLearnset,
         .formSpeciesIdTable = sCalyrexFormSpeciesIdTable,
@@ -7517,6 +7537,7 @@ const struct SpeciesInfo gSpeciesInfoGen8[] =
             //, gShinyOverworldPalette_EnamorusIncarnate
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sEnamorusLevelUpLearnset,
         .teachableLearnset = sEnamorusTeachableLearnset,
         .formSpeciesIdTable = sEnamorusFormSpeciesIdTable,
@@ -7579,6 +7600,7 @@ const struct SpeciesInfo gSpeciesInfoGen8[] =
             //, gShinyOverworldPalette_EnamorusTherian
         )
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sEnamorusLevelUpLearnset,
         .teachableLearnset = sEnamorusTeachableLearnset,
         .formSpeciesIdTable = sEnamorusFormSpeciesIdTable,

src/data/pokemon/species_info/gen_9_families.h

@@ -5436,6 +5436,7 @@ const struct SpeciesInfo gSpeciesInfoGen9[] =
         .iconPalIndex = 1,
         FOOTPRINT(WoChien)
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sWoChienLevelUpLearnset,
         .teachableLearnset = sWoChienTeachableLearnset,
     },
@@ -5491,6 +5492,7 @@ const struct SpeciesInfo gSpeciesInfoGen9[] =
         .iconPalIndex = 0,
         FOOTPRINT(ChienPao)
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sChienPaoLevelUpLearnset,
         .teachableLearnset = sChienPaoTeachableLearnset,
     },
@@ -5546,6 +5548,7 @@ const struct SpeciesInfo gSpeciesInfoGen9[] =
         .iconPalIndex = 0,
         FOOTPRINT(TingLu)
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sTingLuLevelUpLearnset,
         .teachableLearnset = sTingLuTeachableLearnset,
     },
@@ -5602,6 +5605,7 @@ const struct SpeciesInfo gSpeciesInfoGen9[] =
         .iconPalIndex = 0,
         FOOTPRINT(ChiYu)
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sChiYuLevelUpLearnset,
         .teachableLearnset = sChiYuTeachableLearnset,
     },
@@ -5770,6 +5774,7 @@ const struct SpeciesInfo gSpeciesInfoGen9[] =
         FOOTPRINT(Koraidon)
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sKoraidonLevelUpLearnset,
         .teachableLearnset = sKoraidonTeachableLearnset,
     },
@@ -5826,6 +5831,7 @@ const struct SpeciesInfo gSpeciesInfoGen9[] =
         FOOTPRINT(Miraidon)
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sMiraidonLevelUpLearnset,
         .teachableLearnset = sMiraidonTeachableLearnset,
     },
@@ -6205,6 +6211,7 @@ const struct SpeciesInfo gSpeciesInfoGen9[] =
         .iconPalIndex = 1,
         FOOTPRINT(Okidogi)
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sOkidogiLevelUpLearnset,
         .teachableLearnset = sOkidogiTeachableLearnset,
     },
@@ -6260,6 +6267,7 @@ const struct SpeciesInfo gSpeciesInfoGen9[] =
         .iconPalIndex = 0,
         FOOTPRINT(Munkidori)
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sMunkidoriLevelUpLearnset,
         .teachableLearnset = sMunkidoriTeachableLearnset,
     },
@@ -6315,6 +6323,7 @@ const struct SpeciesInfo gSpeciesInfoGen9[] =
         .iconPalIndex = 0,
         FOOTPRINT(Fezandipiti)
         .isLegendary = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sFezandipitiLevelUpLearnset,
         .teachableLearnset = sFezandipitiTeachableLearnset,
     },
@@ -6372,6 +6381,7 @@ const struct SpeciesInfo gSpeciesInfoGen9[] =
         .formChangeTable = sOgerponFormChangeTable,                                         \
         .isLegendary = TRUE,                                                                \
         .isTeraForm = isTeraform,                                                           \
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,         \
     }
 
     [SPECIES_OGERPON_TEAL_MASK]             = OGERPON_SPECIES_INFO(Teal,        Mask,     TYPE_GRASS, ABILITY_DEFIANT,                        BODY_COLOR_GREEN, 1, FALSE),
@@ -6663,6 +6673,7 @@ const struct SpeciesInfo gSpeciesInfoGen9[] =
         FOOTPRINT(TerapagosNormal)
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sTerapagosLevelUpLearnset,
         .teachableLearnset = sTerapagosTeachableLearnset,
         .formSpeciesIdTable = sTerapagosFormSpeciesIdTable,
@@ -6722,6 +6733,7 @@ const struct SpeciesInfo gSpeciesInfoGen9[] =
         FOOTPRINT(TerapagosTerastal)
         .isLegendary = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sTerapagosLevelUpLearnset,
         .teachableLearnset = sTerapagosTeachableLearnset,
         .formSpeciesIdTable = sTerapagosFormSpeciesIdTable,
@@ -6780,6 +6792,7 @@ const struct SpeciesInfo gSpeciesInfoGen9[] =
         .isLegendary = TRUE,
         .isTeraForm = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sTerapagosLevelUpLearnset,
         .teachableLearnset = sTerapagosTeachableLearnset,
         .formSpeciesIdTable = sTerapagosFormSpeciesIdTable,
@@ -6838,6 +6851,7 @@ const struct SpeciesInfo gSpeciesInfoGen9[] =
         FOOTPRINT(Pecharunt)
         .isMythical = TRUE,
         .isFrontierBanned = TRUE,
+        .perfectIVCount = LEGENDARY_PERFECT_IV_COUNT,
         .levelUpLearnset = sPecharuntLevelUpLearnset,
         .teachableLearnset = sPecharuntTeachableLearnset,
     },

src/pokemon.c

@@ -1109,7 +1109,7 @@ void CreateBoxMon(struct BoxPokemon *boxMon, u16 species, u8 level, u8 fixedIV,
     u16 checksum;
     u8 i;
     u8 availableIVs[NUM_STATS];
-    u8 selectedIvs[LEGENDARY_PERFECT_IV_COUNT];
+    u8 selectedIvs[NUM_STATS];
     bool32 isShiny;
 
     ZeroBoxMonData(boxMon);
@@ -1226,21 +1226,7 @@ void CreateBoxMon(struct BoxPokemon *boxMon, u16 species, u8 level, u8 fixedIV,
         iv = (value & (MAX_IV_MASK << 10)) >> 10;
         SetBoxMonData(boxMon, MON_DATA_SPDEF_IV, &iv);
 
-        if (gSpeciesInfo[species].allPerfectIVs)
+        if (gSpeciesInfo[species].perfectIVCount != 0)
-        {
-            iv = MAX_PER_STAT_IVS;
-            SetBoxMonData(boxMon, MON_DATA_HP_IV, &iv);
-            SetBoxMonData(boxMon, MON_DATA_ATK_IV, &iv);
-            SetBoxMonData(boxMon, MON_DATA_DEF_IV, &iv);
-            SetBoxMonData(boxMon, MON_DATA_SPEED_IV, &iv);
-            SetBoxMonData(boxMon, MON_DATA_SPATK_IV, &iv);
-            SetBoxMonData(boxMon, MON_DATA_SPDEF_IV, &iv);
-        }
-        else if (P_LEGENDARY_PERFECT_IVS >= GEN_6
-         && (gSpeciesInfo[species].isLegendary
-          || gSpeciesInfo[species].isMythical
-          || gSpeciesInfo[species].isUltraBeast
-          || gSpeciesInfo[species].isTotem))
         {
             iv = MAX_PER_STAT_IVS;
             // Initialize a list of IV indices.
@@ -1249,14 +1235,14 @@ void CreateBoxMon(struct BoxPokemon *boxMon, u16 species, u8 level, u8 fixedIV,
                 availableIVs[i] = i;
             }
 
-            // Select the 3 IVs that will be perfected.
+            // Select the IVs that will be perfected.
-            for (i = 0; i < LEGENDARY_PERFECT_IV_COUNT; i++)
+            for (i = 0; i < NUM_STATS && i < gSpeciesInfo[species].perfectIVCount; i++)
             {
                 u8 index = Random() % (NUM_STATS - i);
                 selectedIvs[i] = availableIVs[index];
                 RemoveIVIndexFromList(availableIVs, index);
             }
-            for (i = 0; i < LEGENDARY_PERFECT_IV_COUNT; i++)
+            for (i = 0; i < NUM_STATS && i < gSpeciesInfo[species].perfectIVCount; i++)
             {
                 switch (selectedIvs[i])
                 {