diff --git a/src/data/balance/biomes.ts b/src/data/balance/biomes.ts
index 4bd84006b82..1298e80c362 100644
--- a/src/data/balance/biomes.ts
+++ b/src/data/balance/biomes.ts
@@ -1291,11 +1291,11 @@ export const biomePokemonPools: BiomePokemonPools = {
       [TimeOfDay.ALL]: [ { 1: [ SpeciesId.BELDUM ], 20: [ SpeciesId.METANG ], 45: [ SpeciesId.METAGROSS ] }, SpeciesId.SIGILYPH, { 1: [ SpeciesId.SOLOSIS ], 32: [ SpeciesId.DUOSION ], 41: [ SpeciesId.REUNICLUS ] } ]
     },
     [BiomePoolTier.SUPER_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ { 1: [ SpeciesId.PORYGON ], 30: [ SpeciesId.PORYGON2 ] } ] },
-    [BiomePoolTier.ULTRA_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ { 1: [ SpeciesId.COSMOG ], 50: [ SpeciesId.COSMOEM ] }, SpeciesId.CELESTEELA ] },
+    [BiomePoolTier.ULTRA_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ { 1: [ SpeciesId.COSMOG ], 60: [ SpeciesId.COSMOEM ] }, SpeciesId.CELESTEELA ] },
     [BiomePoolTier.BOSS]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [ SpeciesId.SOLROCK ], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [ SpeciesId.LUNATONE ], [TimeOfDay.ALL]: [ SpeciesId.CLEFABLE, SpeciesId.BRONZONG, SpeciesId.MUSHARNA, SpeciesId.REUNICLUS, SpeciesId.MINIOR ] },
     [BiomePoolTier.BOSS_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ SpeciesId.METAGROSS, SpeciesId.PORYGON_Z ] },
     [BiomePoolTier.BOSS_SUPER_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ SpeciesId.CELESTEELA ] },
-    [BiomePoolTier.BOSS_ULTRA_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [ { 1: [ SpeciesId.COSMOG ], 50: [ SpeciesId.COSMOEM ], 70: [ SpeciesId.SOLGALEO ] } ], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [ { 1: [ SpeciesId.COSMOG ], 50: [ SpeciesId.COSMOEM ], 70: [ SpeciesId.LUNALA ] } ], [TimeOfDay.ALL]: [ SpeciesId.RAYQUAZA, SpeciesId.NECROZMA ] }
+    [BiomePoolTier.BOSS_ULTRA_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [ { 1: [ SpeciesId.COSMOG ], 60: [ SpeciesId.COSMOEM ], 80: [ SpeciesId.SOLGALEO ] } ], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [ { 1: [ SpeciesId.COSMOG ], 60: [ SpeciesId.COSMOEM ], 80: [ SpeciesId.LUNALA ] } ], [TimeOfDay.ALL]: [ SpeciesId.RAYQUAZA, SpeciesId.NECROZMA ] }
   },
   [BiomeId.CONSTRUCTION_SITE]: {
     [BiomePoolTier.COMMON]: {
diff --git a/src/data/balance/pokemon-evolutions.ts b/src/data/balance/pokemon-evolutions.ts
index a2459acd7f0..5183146ffc1 100644
--- a/src/data/balance/pokemon-evolutions.ts
+++ b/src/data/balance/pokemon-evolutions.ts
@@ -1194,8 +1194,8 @@ export const pokemonEvolutions: PokemonEvolutions = {
     new SpeciesEvolution(SpeciesId.COSMOEM, 1, null, {key: EvoCondKey.FRIENDSHIP, value: 40}, SpeciesWildEvolutionDelay.VERY_LONG)
   ],
   [SpeciesId.COSMOEM]: [
-    new SpeciesEvolution(SpeciesId.SOLGALEO, 1, EvolutionItem.SUN_FLUTE, null, SpeciesWildEvolutionDelay.VERY_LONG),
-    new SpeciesEvolution(SpeciesId.LUNALA, 1, EvolutionItem.MOON_FLUTE, null, SpeciesWildEvolutionDelay.VERY_LONG)
+    new SpeciesEvolution(SpeciesId.SOLGALEO, 23, EvolutionItem.SUN_FLUTE, null, SpeciesWildEvolutionDelay.VERY_LONG),
+    new SpeciesEvolution(SpeciesId.LUNALA, 23, EvolutionItem.MOON_FLUTE, null, SpeciesWildEvolutionDelay.VERY_LONG)
   ],
   [SpeciesId.MELTAN]: [
     new SpeciesEvolution(SpeciesId.MELMETAL, 48, null, null)