diff --git a/src/battle-scene.ts b/src/battle-scene.ts
index aabe2707d..33e78150d 100644
--- a/src/battle-scene.ts
+++ b/src/battle-scene.ts
@@ -915,6 +915,7 @@ export default class BattleScene extends Phaser.Scene {
 			case Species.ORICORIO:
 			case Species.SQUAWKABILLY:
 			case Species.TATSUGIRI:
+			case Species.PALDEA_TAUROS:
 				return Utils.randSeedInt(species.forms.length);
 			case Species.MEOWSTIC:
 			case Species.INDEEDEE:
diff --git a/src/data/biomes.ts b/src/data/biomes.ts
index 2db90d14d..06076a764 100644
--- a/src/data/biomes.ts
+++ b/src/data/biomes.ts
@@ -384,7 +384,7 @@ export const biomePokemonPools: BiomePokemonPools = {
       ]
     },
     [BiomePoolTier.SUPER_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ Species.DURANT ] },
-    [BiomePoolTier.ULTRA_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ Species.KARTANA ] },
+    [BiomePoolTier.ULTRA_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ Species.KARTANA, Species.WO_CHIEN ] },
     [BiomePoolTier.BOSS]: {
       [TimeOfDay.DAWN]: [ Species.VICTREEBEL, Species.MOTHIM, Species.VESPIQUEN, Species.LILLIGANT, Species.SAWSBUCK ],
       [TimeOfDay.DAY]: [ Species.VICTREEBEL, Species.BEAUTIFLY, Species.MOTHIM, Species.VESPIQUEN, Species.LILLIGANT, Species.SAWSBUCK ],
@@ -719,7 +719,7 @@ export const biomePokemonPools: BiomePokemonPools = {
         { 1: [ Species.AXEW ], 38: [ Species.FRAXURE ] }
       ]
     },
-    [BiomePoolTier.ULTRA_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ Species.TORNADUS ] },
+    [BiomePoolTier.ULTRA_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ Species.TORNADUS, Species.TING_LU, Species.OGERPON ] },
     [BiomePoolTier.BOSS]: {
       [TimeOfDay.DAWN]: [ Species.SWELLOW, Species.ALTARIA, Species.STARAPTOR, Species.UNFEZANT, Species.BRAVIARY, Species.TALONFLAME, Species.CORVIKNIGHT, Species.ESPATHRA ],
       [TimeOfDay.DAY]: [ Species.SWELLOW, Species.ALTARIA, Species.STARAPTOR, Species.UNFEZANT, Species.BRAVIARY, Species.TALONFLAME, Species.CORVIKNIGHT, Species.ESPATHRA ],
@@ -759,7 +759,7 @@ export const biomePokemonPools: BiomePokemonPools = {
     },
     [BiomePoolTier.RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ Species.ONIX, Species.GLIGAR, { 1: [ Species.POLTCHAGEIST ], 30: [ Species.SINISTCHA ] } ] },
     [BiomePoolTier.SUPER_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [] },
-    [BiomePoolTier.ULTRA_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ Species.LANDORUS ] },
+    [BiomePoolTier.ULTRA_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ Species.LANDORUS, Species.OKIDOGI ] },
     [BiomePoolTier.BOSS]: {
       [TimeOfDay.DAWN]: [ Species.DONPHAN, Species.CENTISKORCH, Species.SCOVILLAIN ],
       [TimeOfDay.DAY]: [ Species.DONPHAN, Species.CENTISKORCH, Species.SCOVILLAIN ],
@@ -1026,7 +1026,7 @@ export const biomePokemonPools: BiomePokemonPools = {
       ]
     },
     [BiomePoolTier.SUPER_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ Species.FLAREON, { 1: [ Species.LARVESTA ], 59: [ Species.VOLCARONA ] }, Species.HISUI_GROWLITHE ] },
-    [BiomePoolTier.ULTRA_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ Species.ENTEI, Species.HEATRAN, Species.VOLCANION ] },
+    [BiomePoolTier.ULTRA_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ Species.ENTEI, Species.HEATRAN, Species.VOLCANION, Species.CHI_YU ] },
     [BiomePoolTier.BOSS]: {
       [TimeOfDay.DAWN]: [],
       [TimeOfDay.DAY]: [],
@@ -1170,7 +1170,7 @@ export const biomePokemonPools: BiomePokemonPools = {
       [TimeOfDay.NIGHT]: [ { 1: [ Species.GALAR_YAMASK ], 34: [ Species.RUNERIGUS ] } ],
       [TimeOfDay.ALL]: [ { 1: [ Species.ARCHEN ], 37: [ Species.ARCHEOPS ] } ]
     },
-    [BiomePoolTier.ULTRA_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ Species.REGISTEEL ] },
+    [BiomePoolTier.ULTRA_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ Species.REGISTEEL, Species.FEZANDIPITI ] },
     [BiomePoolTier.BOSS]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ Species.ALAKAZAM, Species.HYPNO, Species.XATU, Species.GRUMPIG, Species.CLAYDOL, Species.SIGILYPH, Species.GOTHITELLE, Species.BEHEEYEM, Species.TINKATON ] },
     [BiomePoolTier.BOSS_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [ Species.ESPEON ], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ Species.MR_MIME, Species.WOBBUFFET, Species.ARCHEOPS ] },
     [BiomePoolTier.BOSS_SUPER_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [ Species.RUNERIGUS ], [TimeOfDay.NIGHT]: [ Species.RUNERIGUS ], [TimeOfDay.ALL]: [ Species.REGISTEEL, Species.FEZANDIPITI ] },
@@ -1356,7 +1356,7 @@ export const biomePokemonPools: BiomePokemonPools = {
       ]
     },
     [BiomePoolTier.SUPER_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ Species.KANGASKHAN, Species.CHATOT, Species.KLEAVOR ] },
-    [BiomePoolTier.ULTRA_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ Species.VIRIZION, Species.BUZZWOLE, Species.ZARUDE ] },
+    [BiomePoolTier.ULTRA_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ Species.VIRIZION, Species.BUZZWOLE, Species.ZARUDE, Species.MUNKIDORI ] },
     [BiomePoolTier.BOSS]: {
       [TimeOfDay.DAWN]: [ Species.EXEGGUTOR, Species.TROPIUS, Species.CHERRIM, Species.LEAVANNY, Species.KOMALA ],
       [TimeOfDay.DAY]: [ Species.EXEGGUTOR, Species.TROPIUS, Species.CHERRIM, Species.LEAVANNY, Species.KOMALA ],
@@ -1518,7 +1518,7 @@ export const biomePokemonPools: BiomePokemonPools = {
       [TimeOfDay.NIGHT]: [ { 1: [ Species.HISUI_ZORUA ], 30: [ Species.HISUI_ZOROARK ] } ],
       [TimeOfDay.ALL]: [ { 1: [ Species.GALAR_MR_MIME ], 42: [ Species.MR_RIME ] }, Species.ARCTOZOLT, Species.HISUI_AVALUGG ]
     },
-    [BiomePoolTier.ULTRA_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ Species.GLASTRIER, Species.GALAR_ARTICUNO ] },
+    [BiomePoolTier.ULTRA_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ Species.GLASTRIER, Species.CHIEN_PAO, Species.GALAR_ARTICUNO ] },
     [BiomePoolTier.BOSS]: { [TimeOfDay.DAWN]: [ Species.WYRDEER ], [TimeOfDay.DAY]: [ Species.WYRDEER ], [TimeOfDay.DUSK]: [ Species.FROSMOTH ], [TimeOfDay.NIGHT]: [ Species.FROSMOTH ], [TimeOfDay.ALL]: [ Species.ABOMASNOW, Species.URSALUNA ] },
     [BiomePoolTier.BOSS_RARE]: { [TimeOfDay.DAWN]: [], [TimeOfDay.DAY]: [], [TimeOfDay.DUSK]: [], [TimeOfDay.NIGHT]: [], [TimeOfDay.ALL]: [ Species.ARCTOZOLT, Species.ALOLA_SANDSLASH, Species.ALOLA_NINETALES ] },
     [BiomePoolTier.BOSS_SUPER_RARE]: {
@@ -6750,18 +6750,22 @@ export const biomeTrainerPools: BiomeTrainerPools = {
       ]
     ],
     [ Species.WO_CHIEN, Type.DARK, Type.GRASS, [
+        [ Biome.FOREST, BiomePoolTier.ULTRA_RARE ],
         [ Biome.FOREST, BiomePoolTier.BOSS_SUPER_RARE ]
       ]
     ],
     [ Species.CHIEN_PAO, Type.DARK, Type.ICE, [
+        [ Biome.SNOWY_FOREST, BiomePoolTier.ULTRA_RARE ],
         [ Biome.SNOWY_FOREST, BiomePoolTier.BOSS_SUPER_RARE ]
       ]
     ],
     [ Species.TING_LU, Type.DARK, Type.GROUND, [
+        [ Biome.MOUNTAIN, BiomePoolTier.ULTRA_RARE ],
         [ Biome.MOUNTAIN, BiomePoolTier.BOSS_SUPER_RARE ]
       ]
     ],
     [ Species.CHI_YU, Type.DARK, Type.FIRE, [
+        [ Biome.VOLCANO, BiomePoolTier.ULTRA_RARE ],
         [ Biome.VOLCANO, BiomePoolTier.BOSS_SUPER_RARE ]
       ]
     ],
@@ -6803,18 +6807,22 @@ export const biomeTrainerPools: BiomeTrainerPools = {
       ]
     ],
     [ Species.OKIDOGI, Type.POISON, Type.FIGHTING, [
+        [ Biome.BADLANDS, BiomePoolTier.ULTRA_RARE ],
         [ Biome.BADLANDS, BiomePoolTier.BOSS_SUPER_RARE ]
       ]
     ],
     [ Species.MUNKIDORI, Type.POISON, Type.PSYCHIC, [
+        [ Biome.JUNGLE, BiomePoolTier.ULTRA_RARE ],
         [ Biome.JUNGLE, BiomePoolTier.BOSS_SUPER_RARE ]
       ]
     ],
     [ Species.FEZANDIPITI, Type.POISON, Type.FAIRY, [
+        [ Biome.RUINS, BiomePoolTier.ULTRA_RARE ],
         [ Biome.RUINS, BiomePoolTier.BOSS_SUPER_RARE ]
       ]
     ],
     [ Species.OGERPON, Type.GRASS, -1, [
+        [ Biome.MOUNTAIN, BiomePoolTier.ULTRA_RARE ],
         [ Biome.MOUNTAIN, BiomePoolTier.BOSS_SUPER_RARE ]
       ]
     ],