diff --git a/kubejs/data/primitive_creatures/forge/biome_modifier/all_biome_modifier.json b/kubejs/data/primitive_creatures/forge/biome_modifier/all_biome_modifier.json
index f8f2c00b6..6afd60ede 100644
--- a/kubejs/data/primitive_creatures/forge/biome_modifier/all_biome_modifier.json
+++ b/kubejs/data/primitive_creatures/forge/biome_modifier/all_biome_modifier.json
@@ -5,8 +5,6 @@
 	},
 	"entity_types": [
 		"primitive_creatures:beast",
-		"primitive_creatures:iloger_1",
-		"primitive_creatures:iloger_2",
 		"primitive_creatures:iloger_3",
 		"primitive_creatures:iloger_4",
 		"primitive_creatures:iloger_5",
@@ -14,7 +12,6 @@
 		"primitive_creatures:musselwarden",
 		"primitive_creatures:piloger_9",
 		"primitive_creatures:iloger_10",
-		"primitive_creatures:viloger_10",
 		"primitive_creatures:wiloger"
 	]
 }
\ No newline at end of file
diff --git a/kubejs/data/primitive_creatures/forge/biome_modifier/iloger_1_biome_modifier.json b/kubejs/data/primitive_creatures/forge/biome_modifier/iloger_1_biome_modifier.json
index 2d96022cf..c4380d1a2 100644
--- a/kubejs/data/primitive_creatures/forge/biome_modifier/iloger_1_biome_modifier.json
+++ b/kubejs/data/primitive_creatures/forge/biome_modifier/iloger_1_biome_modifier.json
@@ -1,3 +1,20 @@
 {
-	"type": "forge:none"
+	"type": "forge:add_spawns",
+	"biomes": [
+		"tfc:highlands",
+		"tfc:hills",
+		"tfc:lowlands",
+		"tfc:plains",
+		"tfc:plateau",
+		"tfc:rolling_hills",
+		"tfc:salt_marsh",
+		"tfc:shore",
+		"tfc:tidal_flats"
+	],
+	"spawners": {
+		"type": "primitive_creatures:iloger_1",
+		"weight": 1,
+		"minCount": 2,
+		"maxCount": 3
+	}
 }
\ No newline at end of file
diff --git a/kubejs/data/primitive_creatures/forge/biome_modifier/iloger_2_biome_modifier.json b/kubejs/data/primitive_creatures/forge/biome_modifier/iloger_2_biome_modifier.json
index 2d96022cf..e416f61c2 100644
--- a/kubejs/data/primitive_creatures/forge/biome_modifier/iloger_2_biome_modifier.json
+++ b/kubejs/data/primitive_creatures/forge/biome_modifier/iloger_2_biome_modifier.json
@@ -1,3 +1,20 @@
 {
-	"type": "forge:none"
+	"type": "forge:add_spawns",
+	"biomes": [
+		"tfc:highlands",
+		"tfc:hills",
+		"tfc:lowlands",
+		"tfc:plains",
+		"tfc:plateau",
+		"tfc:rolling_hills",
+		"tfc:salt_marsh",
+		"tfc:shore",
+		"tfc:tidal_flats"
+	],
+	"spawners": {
+		"type": "primitive_creatures:iloger_2",
+		"weight": 1,
+		"minCount": 2,
+		"maxCount": 3
+	}
 }
\ No newline at end of file
diff --git a/kubejs/data/primitive_creatures/forge/biome_modifier/viloger_10_biome_modifier.json b/kubejs/data/primitive_creatures/forge/biome_modifier/viloger_10_biome_modifier.json
index 2d96022cf..b89e19b65 100644
--- a/kubejs/data/primitive_creatures/forge/biome_modifier/viloger_10_biome_modifier.json
+++ b/kubejs/data/primitive_creatures/forge/biome_modifier/viloger_10_biome_modifier.json
@@ -1,3 +1,20 @@
 {
-	"type": "forge:none"
+	"type": "forge:add_spawns",
+	"biomes": [
+		"tfc:badlands",
+		"tfc:canyons",
+		"tfc:inverted_badlands",
+		"tfc:low_canyons",
+		"tfc:mountains",
+		"tfc:oceanic_mountains",
+		"tfc:old_mountains",
+		"tfc:volcanic_mountains",
+		"tfc:volcanic_oceanic_mountains"
+	],
+	"spawners": {
+		"type": "primitive_creatures:viloger_10",
+		"weight": 1,
+		"minCount": 2,
+		"maxCount": 3
+	}
 }
\ No newline at end of file