diff --git a/biomes/hot-mesa-dark.json b/biomes/hot-mesa-dark.json
index 5d5396b9..4c29eb42 100644
--- a/biomes/hot-mesa-dark.json
+++ b/biomes/hot-mesa-dark.json
@@ -48,8 +48,13 @@
     {"entity": "cow", "maxSpawns": 1, "minSpawns": 1, "rarity": 6},
     {"entity": "chicken", "maxSpawns": 1, "minSpawns": 1, "rarity": 6}
 ],
+"childShrinkFactor": 0.35,
     "children": [
-        "hot-mesa-cliffs"
+        "hot-mesa-cliffs",
+        "hot-mesa-cliffs-yellow",
+        "hot-mesa-red",
+        "hot-mesa-green",
+        "hot-mesa-blue"
     ],
     "name": "Mesa",
     "layers": [
@@ -156,5 +161,5 @@
             }
         ]
     },
-    "rarity": 5
+    "rarity": 15
 }
\ No newline at end of file
diff --git a/biomes/hot-mesa-yellow.json b/biomes/hot-mesa-yellow.json
index c3ad26f7..a35a65f6 100644
--- a/biomes/hot-mesa-yellow.json
+++ b/biomes/hot-mesa-yellow.json
@@ -49,7 +49,7 @@
     {"entity": "chicken", "maxSpawns": 1, "minSpawns": 1, "rarity": 6}
 ],
     "children": [
-        "hot-mesa-cliffs-yellow"
+        "hot-mesa-dark"
     ],
     "objects": [
         {
@@ -200,5 +200,5 @@
             }
         ]
     },
-    "rarity": 3
+    "rarity": 4
 }
\ No newline at end of file
diff --git a/biomes/swamp-willow-forest.json b/biomes/swamp-willow-forest.json
index b8b31e0e..18034cd1 100644
--- a/biomes/swamp-willow-forest.json
+++ b/biomes/swamp-willow-forest.json
@@ -2,18 +2,18 @@
     "effects": [
         {
             "volume": 6.2,
-            "minPitch": 1.6,
-            "chance": 11,
-            "maxPitch": 1.35,
-            "sound": "AMBIENT_SOUL_SAND_VALLEY_MOOD",
-            "interval": 4750,
+            "minPitch": 1.5,
+            "chance": 6,
+            "maxPitch": 1.75,
+            "sound": "AMBIENT_BASALT_DELTAS_ADDITIONS",
+            "interval": 1000,
             "soundDistance": 3
         },
         {
             "volume": 6.2,
-            "minPitch": 0.4,
-            "chance": 5,
-            "maxPitch": 0.2,
+            "minPitch": 0.1,
+            "chance": 7,
+            "maxPitch": 0.1,
             "sound": "AMBIENT_SOUL_SAND_VALLEY_MOOD",
             "interval": 1550,
             "soundDistance": 3
@@ -25,7 +25,7 @@
             "chance": 1,
             "particleEffect": "CAMPFIRE_SIGNAL_SMOKE",
             "particleOffset": 12,
-            "interval": 550,
+            "interval": 640,
             "particleCount": 0
         }
     ],
diff --git a/dimensions/overworld.json b/dimensions/overworld.json
index 7b16d13e..7d5b3ddc 100644
--- a/dimensions/overworld.json
+++ b/dimensions/overworld.json
@@ -21,7 +21,7 @@
         "style": "CELLULAR_IRIS_DOUBLE"
     },
     "seaZoom": 2.25,
-    "biomeZoom": 3.05,
+    "biomeZoom": 2.05,
     "carving": true,
     "lootTries": 32,
     "caveBiomeStyle": {
@@ -33,21 +33,17 @@
         "zoom": 2,
         "style": "CELLULAR_IRIS_DOUBLE",
         "fracture": {
-            "multiplier": 3,
-            "style": "STATIC",
-            "zoom": 0.355
+            "multiplier": 205,
+            "style": "FRACTAL_WATER",
+            "zoom": 2.655
         }
     },
     "regionStyle": {
         "style": "CELLULAR_IRIS_DOUBLE",
         "fracture": {
-            "multiplier": 75,
+            "multiplier": 60,
             "style": "FRACTAL_WATER",
-            "zoom": 0.555,
-            "fracture": {
-                "multiplier": 3,
-                "style": "STATIC"
-            }
+            "zoom": 0.255
         }
     },
     "mutations": [
@@ -310,7 +306,7 @@
     "coordFractureDistance": 126,
     "caveLayers": [
         {
-            "canBreakSurface": true,
+            "canBreakSurface": false,
             "horizontalSlope": {
                 "min": -110,
                 "max": 110,
@@ -327,7 +323,7 @@
             "caveZoom": 1.25,
             "verticalSlope": {
                 "min": 6,
-                "max": 72,
+                "max": 82,
                 "generator": {
                     "style": "IRIS",
                     "fracture": {
@@ -339,7 +335,7 @@
             }
         },
         {
-            "canBreakSurface": false,
+            "canBreakSurface": true,
             "horizontalSlope": {
                 "min": -10,
                 "max": 10,
@@ -356,8 +352,8 @@
             "caveThickness": 0.7,
             "caveZoom": 0.89,
             "verticalSlope": {
-                "min": 5,
-                "max": 43,
+                "min": 68,
+                "max": 196,
                 "generator": {
                     "style": "IRIS_DOUBLE",
                     "zoom": 1.82,
@@ -381,7 +377,7 @@
     },
     "vanillaCaves": false,
     "caves": true,
-    "landChance": 0.64,
+    "landChance": 0.59,
     "preventLeafDecay": true,
     "version": 2,
     "deposits": [
@@ -573,7 +569,7 @@
         "style": "CELLULAR_IRIS_DOUBLE"
     },
     "name": "Overworld",
-    "regionZoom": 7.5,
+    "regionZoom": 6.5,
     "dimensionAngleDeg": 19,
     "carveLayers": [
         {
diff --git a/regions/hot.json b/regions/hot.json
index 96d79fbf..f1995490 100644
--- a/regions/hot.json
+++ b/regions/hot.json
@@ -47,15 +47,11 @@
     "landBiomes": [
         "hot-mesa-yellow",
         "hot-desert",
-        "hot-mesa-red",
         "hot-dry-forest",
         "hot-desert-mountains",
         "hot-desert-red",
-        "hot-mesa-green",
         "hot-savanna",
-        "hot-mesa-dark",
-        "hot-volcanic",
-        "hot-mesa-blue"
+        "hot-volcanic"
     ],
     "biomeImplosionRatio": 0.25,
     "seaBiomes": [