diff --git a/src/data/pokemon-species.ts b/src/data/pokemon-species.ts
index b8ddd826035..f8c118d2f94 100644
--- a/src/data/pokemon-species.ts
+++ b/src/data/pokemon-species.ts
@@ -944,7 +944,7 @@ export function initSpecies() {
     new PokemonSpecies(Species.VENUSAUR, 1, false, false, false, "Seed Pokémon", Type.GRASS, Type.POISON, 2, 100, Abilities.OVERGROW, Abilities.NONE, Abilities.CHLOROPHYLL, 525, 80, 82, 83, 100, 100, 80, 45, 50, 263, GrowthRate.MEDIUM_SLOW, 87.5, true, true,
       new PokemonForm("Normal", "", Type.GRASS, Type.POISON, 2, 100, Abilities.OVERGROW, Abilities.NONE, Abilities.CHLOROPHYLL, 525, 80, 82, 83, 100, 100, 80, 45, 50, 263, true, null, true),
       new PokemonForm("Mega", SpeciesFormKey.MEGA, Type.GRASS, Type.POISON, 2.4, 155.5, Abilities.THICK_FAT, Abilities.THICK_FAT, Abilities.THICK_FAT, 625, 80, 100, 123, 122, 120, 80, 45, 50, 263, true),
-      new PokemonForm("G-Max", SpeciesFormKey.GIGANTAMAX, Type.GRASS, Type.POISON, 24, 999.9, Abilities.CHLOROPHYLL, Abilities.CHLOROPHYLL, Abilities.CHLOROPHYLL, 625, 120, 82, 98, 130, 115, 80, 45, 50, 263, true),
+      new PokemonForm("G-Max", SpeciesFormKey.GIGANTAMAX, Type.GRASS, Type.POISON, 24, 999.9, Abilities.EFFECT_SPORE, Abilities.EFFECT_SPORE, Abilities.EFFECT_SPORE, 625, 120, 82, 98, 130, 115, 80, 45, 50, 263, true),
     ),
     new PokemonSpecies(Species.CHARMANDER, 1, false, false, false, "Lizard Pokémon", Type.FIRE, null, 0.6, 8.5, Abilities.BLAZE, Abilities.NONE, Abilities.SOLAR_POWER, 309, 39, 52, 43, 60, 50, 65, 45, 50, 62, GrowthRate.MEDIUM_SLOW, 87.5, false),
     new PokemonSpecies(Species.CHARMELEON, 1, false, false, false, "Flame Pokémon", Type.FIRE, null, 1.1, 19, Abilities.BLAZE, Abilities.NONE, Abilities.SOLAR_POWER, 405, 58, 64, 58, 80, 65, 80, 45, 50, 142, GrowthRate.MEDIUM_SLOW, 87.5, false),
@@ -959,7 +959,7 @@ export function initSpecies() {
     new PokemonSpecies(Species.BLASTOISE, 1, false, false, false, "Shellfish Pokémon", Type.WATER, null, 1.6, 85.5, Abilities.TORRENT, Abilities.NONE, Abilities.RAIN_DISH, 530, 79, 83, 100, 85, 105, 78, 45, 50, 265, GrowthRate.MEDIUM_SLOW, 87.5, false, true,
       new PokemonForm("Normal", "", Type.WATER, null, 1.6, 85.5, Abilities.TORRENT, Abilities.NONE, Abilities.RAIN_DISH, 530, 79, 83, 100, 85, 105, 78, 45, 50, 265, false, null, true),
       new PokemonForm("Mega", SpeciesFormKey.MEGA, Type.WATER, null, 1.6, 101.1, Abilities.MEGA_LAUNCHER, Abilities.NONE, Abilities.MEGA_LAUNCHER, 630, 79, 103, 120, 135, 115, 78, 45, 50, 265),
-      new PokemonForm("G-Max", SpeciesFormKey.GIGANTAMAX, Type.WATER, Type.STEEL, 25, 999.9, Abilities.SHELL_ARMOR, Abilities.SHELL_ARMOR, Abilities.SHELL_ARMOR, 630, 119, 83, 130, 115, 115, 68, 45, 50, 265),
+      new PokemonForm("G-Max", SpeciesFormKey.GIGANTAMAX, Type.WATER, Type.STEEL, 25, 999.9, Abilities.SHELL_ARMOR, Abilities.SHELL_ARMOR, Abilities.SHELL_ARMOR, 630, 119, 83, 135, 115, 110, 68, 45, 50, 265),
     ),
     new PokemonSpecies(Species.CATERPIE, 1, false, false, false, "Worm Pokémon", Type.BUG, null, 0.3, 2.9, Abilities.SHIELD_DUST, Abilities.NONE, Abilities.RUN_AWAY, 195, 45, 30, 35, 20, 20, 45, 255, 50, 39, GrowthRate.MEDIUM_FAST, 50, false),
     new PokemonSpecies(Species.METAPOD, 1, false, false, false, "Cocoon Pokémon", Type.BUG, null, 0.7, 9.9, Abilities.SHED_SKIN, Abilities.NONE, Abilities.SHED_SKIN, 205, 50, 20, 55, 25, 25, 30, 120, 50, 72, GrowthRate.MEDIUM_FAST, 50, false),
@@ -1131,7 +1131,7 @@ export function initSpecies() {
     ),
     new PokemonSpecies(Species.LAPRAS, 1, false, false, false, "Transport Pokémon", Type.WATER, Type.ICE, 2.5, 220, Abilities.WATER_ABSORB, Abilities.SHELL_ARMOR, Abilities.HYDRATION, 535, 130, 85, 80, 85, 95, 60, 45, 50, 187, GrowthRate.SLOW, 50, false, true,
       new PokemonForm("Normal", "", Type.WATER, Type.ICE, 2.5, 220, Abilities.WATER_ABSORB, Abilities.SHELL_ARMOR, Abilities.HYDRATION, 535, 130, 85, 80, 85, 95, 60, 45, 50, 187, false, null, true),
-      new PokemonForm("G-Max", SpeciesFormKey.GIGANTAMAX, Type.WATER, Type.ICE, 24, 999.9, Abilities.SHELL_ARMOR, Abilities.SHELL_ARMOR, Abilities.SHELL_ARMOR, 635, 170, 85, 95, 115, 110, 60, 45, 50, 187),
+      new PokemonForm("G-Max", SpeciesFormKey.GIGANTAMAX, Type.WATER, Type.ICE, 24, 999.9, Abilities.SHIELD_DUST, Abilities.SHIELD_DUST, Abilities.SHIELD_DUST, 635, 170, 85, 85, 105, 130, 60, 45, 50, 187),
     ),
     new PokemonSpecies(Species.DITTO, 1, false, false, false, "Transform Pokémon", Type.NORMAL, null, 0.3, 4, Abilities.LIMBER, Abilities.NONE, Abilities.IMPOSTER, 288, 48, 48, 48, 48, 48, 48, 35, 50, 101, GrowthRate.MEDIUM_FAST, null, false),
     new PokemonSpecies(Species.EEVEE, 1, false, false, false, "Evolution Pokémon", Type.NORMAL, null, 0.3, 6.5, Abilities.RUN_AWAY, Abilities.ADAPTABILITY, Abilities.ANTICIPATION, 325, 55, 55, 50, 45, 65, 55, 45, 50, 65, GrowthRate.MEDIUM_FAST, 87.5, false, true,
@@ -1745,7 +1745,7 @@ export function initSpecies() {
     new PokemonSpecies(Species.EXCADRILL, 5, false, false, false, "Subterrene Pokémon", Type.GROUND, Type.STEEL, 0.7, 40.4, Abilities.SAND_RUSH, Abilities.SAND_FORCE, Abilities.MOLD_BREAKER, 508, 110, 135, 60, 50, 65, 88, 60, 50, 178, GrowthRate.MEDIUM_FAST, 50, false),
     new PokemonSpecies(Species.AUDINO, 5, false, false, false, "Hearing Pokémon", Type.NORMAL, null, 1.1, 31, Abilities.HEALER, Abilities.REGENERATOR, Abilities.KLUTZ, 445, 103, 60, 86, 60, 86, 50, 255, 50, 390, GrowthRate.FAST, 50, false, true,
       new PokemonForm("Normal", "", Type.NORMAL, null, 1.1, 31, Abilities.HEALER, Abilities.REGENERATOR, Abilities.KLUTZ, 445, 103, 60, 86, 60, 86, 50, 255, 50, 390, false, null, true),
-      new PokemonForm("Mega", SpeciesFormKey.MEGA, Type.NORMAL, Type.FAIRY, 1.5, 32, Abilities.HEALER, Abilities.HEALER, Abilities.HEALER, 545, 103, 60, 126, 80, 126, 50, 255, 50, 390),
+      new PokemonForm("Mega", SpeciesFormKey.MEGA, Type.NORMAL, Type.FAIRY, 1.5, 32, Abilities.REGENERATOR, Abilities.REGENERATOR, Abilities.REGENERATOR, 545, 103, 60, 126, 80, 126, 50, 255, 50, 390),
     ),
     new PokemonSpecies(Species.TIMBURR, 5, false, false, false, "Muscular Pokémon", Type.FIGHTING, null, 0.6, 12.5, Abilities.GUTS, Abilities.SHEER_FORCE, Abilities.IRON_FIST, 305, 75, 80, 55, 25, 35, 35, 180, 70, 61, GrowthRate.MEDIUM_SLOW, 75, false),
     new PokemonSpecies(Species.GURDURR, 5, false, false, false, "Muscular Pokémon", Type.FIGHTING, null, 1.2, 40, Abilities.GUTS, Abilities.SHEER_FORCE, Abilities.IRON_FIST, 405, 85, 105, 85, 40, 50, 40, 90, 50, 142, GrowthRate.MEDIUM_SLOW, 75, false),
@@ -2985,7 +2985,7 @@ export const speciesStarters = {
   [Species.CRESSELIA]: 6,
   [Species.PHIONE]: 4,
   [Species.MANAPHY]: 7,
-  [Species.DARKRAI]: 6,
+  [Species.DARKRAI]: 7,
   [Species.SHAYMIN]: 6,
   [Species.ARCEUS]: 9,
 
@@ -3150,7 +3150,7 @@ export const speciesStarters = {
   [Species.TAPU_LELE]: 6,
   [Species.TAPU_BULU]: 6,
   [Species.TAPU_FINI]: 6,
-  [Species.COSMOG]: 6,
+  [Species.COSMOG]: 7,
   [Species.NIHILEGO]: 6,
   [Species.BUZZWOLE]: 6,
   [Species.PHEROMOSA]: 7,