diff --git a/biomes/developer-biomes/cursed-walls.json b/biomes/developer-biomes/cursed-walls.json
deleted file mode 100644
index 10d8d098..00000000
--- a/biomes/developer-biomes/cursed-walls.json
+++ /dev/null
@@ -1,39 +0,0 @@
-{
-    "name": "Cursed Walls",
-    "derivative": "PLAINS",
-    "vanillaDerivative": "PLAINS",
-    "color": "#404040",
-    "generators": [{
-        "generator": "mountain",
-        "max": 34,
-        "min": 13
-    }],
-     "children": [
-        "developer-biomes/cursed-t1"
-        ],
-    "childShrinkFactor": 2,
-    "childStyle":{
-        "imageMap":{
-            "channel": "BRIGHTNESS",
-            "centered": true,
-            "coordinateScale": 1,
-            "image": "wallsv2",
-            "interpolationMethod": "BILINEAR_STARCAST_12",
-            "tiled": true
-        },
-        "zoom": 1
-    },
-    "layers": [
-    {
-        "palette": [{"block": "minecraft:deepslate"}],
-        "maxHeight": 1,
-        "slopeCondition": {"maximumSlope": 4}
-    },
-    {
-        "palette": [{"block": "minecraft:deepslate"}],
-        "maxHeight": 12
-    }],
-    "wall": {"palette": [
-        {"block": "minecraft:deepslate"}
-    ]}
- }
diff --git a/biomes/developer-biomes/cursed-t1.json b/biomes/developer-biomes/filler.json
similarity index 53%
rename from biomes/developer-biomes/cursed-t1.json
rename to biomes/developer-biomes/filler.json
index bbffdd6e..baea2cfe 100644
--- a/biomes/developer-biomes/cursed-t1.json
+++ b/biomes/developer-biomes/filler.json
@@ -1,25 +1,21 @@
 {
-    "name": "Cursed T1",
+    "name": "Filler",
     "derivative": "PLAINS",
     "vanillaDerivative": "PLAINS",
     "color": "#404040",
     "generators": [{
         "generator": "plain",
-        "max": 24,
-        "min": 13
+        "max": 10,
+        "min": 5
     }],
 
     "layers": [
     {
-        "palette": [{"block": "minecraft:grass_block"}],
+        "palette": [{"block": "minecraft:snow_block"}],
         "maxHeight": 1,
         "slopeCondition": {"maximumSlope": 4}
-    },
-    {
-        "palette": [{"block": "minecraft:deepslate"}],
-        "maxHeight": 12
     }],
     "wall": {"palette": [
-        {"block": "minecraft:deepslate"}
+        {"block": "minecraft:stone"}
     ]}
  }
diff --git a/biomes/developer-biomes/outer-walls.json b/biomes/developer-biomes/outer-walls.json
deleted file mode 100644
index 242903e5..00000000
--- a/biomes/developer-biomes/outer-walls.json
+++ /dev/null
@@ -1,26 +0,0 @@
-{
-    "name": "Cursed Outerwalls",
-    "derivative": "PLAINS",
-    "vanillaDerivative": "PLAINS",
-    "color": "#404040",
-
-    "generators": [{
-        "generator": "highplains",
-        "max": 30,
-        "min": 29
-    }],
-
-    "layers": [
-    {
-        "palette": [{"block": "minecraft:podzol"}],
-        "maxHeight": 1,
-        "slopeCondition": {"maximumSlope": 4}
-    },
-    {
-        "palette": [{"block": "minecraft:deepslate"}],
-        "maxHeight": 12
-    }],
-    "wall": {"palette": [
-        {"block": "minecraft:deepslate"}
-    ]}
- }
diff --git a/biomes/developer-biomes/pre-release/mountianv2.json b/biomes/developer-biomes/pre-release/mountianv2.json
new file mode 100644
index 00000000..08e42c85
--- /dev/null
+++ b/biomes/developer-biomes/pre-release/mountianv2.json
@@ -0,0 +1,21 @@
+{
+    "name": "Mountain",
+    "derivative": "PLAINS",
+    "vanillaDerivative": "PLAINS",
+    "color": "#404040",
+    "generators": [{
+        "generator": "prototype/dev",
+        "max": 604,
+        "min": 423
+    }],
+
+    "layers": [
+    {
+        "palette": [{"block": "minecraft:snow_block"}],
+        "maxHeight": 1,
+        "slopeCondition": {"maximumSlope": 4}
+    }],
+    "wall": {"palette": [
+        {"block": "minecraft:stone"}
+    ]}
+ }
diff --git a/biomes/frozen/mountains/mountain-extreemv1.json b/biomes/frozen/mountains/mountain-extreemv1.json
index 9335a9e6..67d9f0f3 100644
--- a/biomes/frozen/mountains/mountain-extreemv1.json
+++ b/biomes/frozen/mountains/mountain-extreemv1.json
@@ -30,7 +30,7 @@
             "minHeight": 0,
             "maxHeight": 2,
             "palette": [{"block": "minecraft:snow_block"}],
-            "slopeCondition":{"maximumSlope": 4.5}
+          "slopeCondition":{"maximumSlope": 43.5}
 
         },
         {
@@ -39,12 +39,6 @@
             "palette": [{"block": "minecraft:grass_block"}],
             "slopeCondition":{"maximumSlope": 4.5}
         },
-        {
-            "minHeight": 7,
-            "maxHeight": 18,
-            "palette": [{"block": "minecraft:dirt"}],
-            "slopeCondition":{"maximumSlope": 43.5}
-        },
         {
             "minHeight": 6,
             "maxHeight": 18,
diff --git a/biomes/frozen/vander.json b/biomes/frozen/vander.json
index 9f64f526..503da04d 100644
--- a/biomes/frozen/vander.json
+++ b/biomes/frozen/vander.json
@@ -10,6 +10,19 @@
         "WINDSWEPT_HILLS",
         "ICE_SPIKES"
     ],
+    "effects": [
+        {
+            "particleAltX": 0.1,
+            "particleAltY": 0.1,
+            "particleAltZ": 0.1,
+            "particleEffect": "END_ROD",
+
+
+            "chance": 1,
+            "interval": 1500
+
+        }
+    ],
     "customDerivitives": [{
         "category": "icy",
         "id": "frozen_vander",
@@ -26,7 +39,6 @@
         "max": 34,
         "generator": "mountain"
     }],
-    "biomeZoom": 50,
     "biomeStyle": {"style": "SIMPLEX"},
     "wall": {
         "style": {"style": "STATIC"},
diff --git a/dimensions/overworld.json b/dimensions/overworld.json
index a439b317..2286d4e5 100644
--- a/dimensions/overworld.json
+++ b/dimensions/overworld.json
@@ -3,7 +3,7 @@
     "name": "Overworld",
     "environment": "NORMAL",
     "dimensionAngleDeg": 69,
-    "focusRegion": "prototype/cursed",
+    "focusRegion": "frozen",
     "fluidHeight": 75,
     "continentZoom": 1,
     "continentalStyle": {
@@ -24,7 +24,7 @@
     "logicalHeight": 512,
     "dimensionHeight": {
         "max": 512,
-        "min": -64
+        "min": -256
     },
     "logicalHeightEnd": 448,
     "dimensionHeightEnd": {
@@ -84,7 +84,7 @@
             }
         }
     },
-      "carving": {"caves": [
+        "carving": {"caves": [
         {
             "breakSurface": true,
             "cave": "cavesv4/dark-depths/tubes",
diff --git a/generators/prototype/dev.json b/generators/prototype/dev.json
index 84316c06..276a4728 100644
--- a/generators/prototype/dev.json
+++ b/generators/prototype/dev.json
@@ -1,16 +1,18 @@
 {
     "interpolator": {
-        "function": "STARCAST_12",
-        "horizontalScale": 1
+        "function": "BILINEAR_STARCAST_12",
+        "horizontalScale": 200
     },
     "seed": 310,
     "composite": [{
         "seed": 310,
-        "sinCentered": true,
+
 
         "style": {
-            "style": "STATIC_HERMITE",
-            "zoom": 1
+            "style": "FRACTAL_SMOKE",
+            "zoom": 1.4,
+            "axialFracturing": true
+
 
         }
     }]
diff --git a/regions/prototype/dev-prerelease.json b/regions/prototype/dev-prerelease.json
deleted file mode 100644
index 6c3f58ac..00000000
--- a/regions/prototype/dev-prerelease.json
+++ /dev/null
@@ -1,22 +0,0 @@
-{
-    "name": "Dev",
-    "color": "#44C3D1",
-    "rarity": 128,
-    "landBiomes": [
-        "developer-biomes/plains"
-    ],
-
-    "shoreBiomes": ["developer-biomes/plains"],
-    "seaBiomeZoom": 1,
-    "seaBiomes": [
-        "mystical/oceans/ocean"
-    ],
-    "landBiomeZoom": 5,
-    "shoreHeightMin": 0.2,
-    "shoreHeightMax": 1,
-    "shoreHeightZoom": 1.14,
-    "loot": {
-        "mode": "REPLACE",
-        "tables": ["frozen/clutter", "frozen/food", "snow/clutter"]
-    }
-}
diff --git a/regions/prototype/dev.json b/regions/prototype/dev.json
index 56e63d88..996b7086 100644
--- a/regions/prototype/dev.json
+++ b/regions/prototype/dev.json
@@ -3,13 +3,14 @@
     "color": "#44C3D1",
     "rarity": 1,
     "landBiomes": [
-        "developer-biomes/cursed-walls"
+        "developer-biomes/filler",
+        "developer-biomes/pre-release/mountianv2"
     ],
 
-    "shoreBiomes": ["developer-biomes/cursed-t1"],
+    "shoreBiomes": ["temperate/shore/oak-beach"],
     "seaBiomeZoom": 1,
     "seaBiomes": [
-        "mystical/oceans/ocean"
+        "ocean/ocean"
     ],
     "landBiomeZoom": 5,
     "shoreHeightMin": 0.2,