diff --git a/biomes/frozen/hills.json b/biomes/frozen/hills.json
index 32628e2f..aaf1cb57 100644
--- a/biomes/frozen/hills.json
+++ b/biomes/frozen/hills.json
@@ -32,6 +32,7 @@
         }
     ],
     "customDerivitives": [{
+        "category": "icy",
         "id": "frozen_hills",
         "waterColor": "#216FC4",
         "downfallType": "snow",
diff --git a/biomes/frozen/mountain-cliffs.json b/biomes/frozen/mountain-cliffs.json
index ad096637..700b7bd8 100644
--- a/biomes/frozen/mountain-cliffs.json
+++ b/biomes/frozen/mountain-cliffs.json
@@ -34,6 +34,7 @@
         }
     ],
     "customDerivitives": [{
+        "category": "extreme_hills",
         "id": "frozen_mountaincliff",
         "downfallType": "snow",
         "temperature": -3,
@@ -58,9 +59,14 @@
         }
     ],
     "generators": [{
-        "min": 14,
-        "max": 65,
+        "min": 4,
+        "max": 30,
         "generator": "plain-cliffs"
+    },
+    {
+        "min": 10,
+        "max": 40,
+        "generator": "mountain"
     }],
     "biomeScatter": [
         "ICE_SPIKES",
diff --git a/biomes/frozen/mountain.json b/biomes/frozen/mountain.json
index 1eeb6f6d..e83968b7 100644
--- a/biomes/frozen/mountain.json
+++ b/biomes/frozen/mountain.json
@@ -10,6 +10,7 @@
         "frozen/mountain-cliffs"
     ],
     "customDerivitives": [{
+        "category": "extreme_hills",
         "id": "frozen_mountain",
         "waterColor": "#216FC4",
         "downfallType": "snow",
diff --git a/biomes/savanna/cliff.json b/biomes/savanna/cliff.json
index 157d8e3f..217fdbc8 100644
--- a/biomes/savanna/cliff.json
+++ b/biomes/savanna/cliff.json
@@ -13,10 +13,11 @@
         "waterColor": "#E2EF3B",
         "downfallType": "none"
     }],
-    "generators": [{
-        "min": 9,
-        "max": 28,
-        "generator": "plain"
+    "generators": [
+    {
+        "min": 5,
+        "max": 15,
+        "generator": "plain-cliffs"
     }],
     "jigsawStructures": [
         {
diff --git a/biomes/tropical/volcanic-plains.json b/biomes/tropical/volcanic-plains.json
index 5319496f..90557e76 100644
--- a/biomes/tropical/volcanic-plains.json
+++ b/biomes/tropical/volcanic-plains.json
@@ -11,7 +11,7 @@
         "generator": "mountain"
     }],
     "customDerivitives": [{
-        "category": "extreme_hills",
+        "category": "jungle",
         "id": "tropical_volcanic_plains",
         "grassColor": "#9BC20D",
         "foliageColor": "#9CD320",
diff --git a/biomes/tropical/volcanoes-lava.json b/biomes/tropical/volcanoes-lava.json
index 46fee4f2..4c640127 100644
--- a/biomes/tropical/volcanoes-lava.json
+++ b/biomes/tropical/volcanoes-lava.json
@@ -5,7 +5,7 @@
     "rarity": 1,
     "color": "#50AF52",
     "customDerivitives": [{
-        "category": "extreme_hills",
+        "category": "jungle",
         "id": "tropical_volcanic_lava",
         "grassColor": "#BDBF0B",
         "foliageColor": "#BDBF0B",
diff --git a/biomes/tropical/volcanoes.json b/biomes/tropical/volcanoes.json
index d240ebdd..0d556db0 100644
--- a/biomes/tropical/volcanoes.json
+++ b/biomes/tropical/volcanoes.json
@@ -5,6 +5,7 @@
     "rarity": 1,
     "color": "#609F61",
     "customDerivitives": [{
+        "category": "jungle",
         "id": "tropical_volcano",
         "grassColor": "#BDBF0B",
         "foliageColor": "#BDBF0B",
diff --git a/biomes/tundra/forest-cliffs.json b/biomes/tundra/forest-cliffs.json
index 62707cf2..83402b7f 100644
--- a/biomes/tundra/forest-cliffs.json
+++ b/biomes/tundra/forest-cliffs.json
@@ -4,14 +4,18 @@
     "rarity": 3,
     "color": "#3E8F7A",
     "vanillaDerivative": "TAIGA_MOUNTAINS",
-    "generators": [
-        {
-            "min": 19,
-            "max": 28,
-            "generator": "plain-cliffs"
-        }
-    ],
+    "generators": [{
+        "min": 4,
+        "max": 10,
+        "generator": "plain-cliffs"
+    },
+    {
+        "min": 10,
+        "max": 40,
+        "generator": "mountain"
+    }],
     "customDerivitives": [{
+        "category": "forest",
         "id": "tundra_forest_cliffs",
         "grassColor": "#56B16F",
         "waterColor": "#80B4C6",
diff --git a/biomes/tundra/mountains-cliffs.json b/biomes/tundra/mountains-cliffs.json
index 7a704669..c5d660a5 100644
--- a/biomes/tundra/mountains-cliffs.json
+++ b/biomes/tundra/mountains-cliffs.json
@@ -12,6 +12,7 @@
         }
     ],
     "customDerivitives": [{
+        "category": "forest",
         "id": "tundra_magical_forest_cliffs",
         "grassColor": "#B0A747",
         "waterColor": "#80B4C6",
diff --git a/biomes/tundra/redwood-cliffs.json b/biomes/tundra/redwood-cliffs.json
index 905bf701..64fc51d0 100644
--- a/biomes/tundra/redwood-cliffs.json
+++ b/biomes/tundra/redwood-cliffs.json
@@ -4,14 +4,18 @@
     "rarity": 3,
     "color": "#5DA899",
     "vanillaDerivative": "DARK_FOREST",
-    "generators": [
-        {
-            "min": 30,
-            "max": 50,
-            "generator": "plain-cliffs"
-        }
-    ],
+    "generators": [{
+        "min": 4,
+        "max": 10,
+        "generator": "plain-cliffs"
+    },
+    {
+        "min": 10,
+        "max": 40,
+        "generator": "mountain"
+    }],
     "customDerivitives": [{
+        "category": "forest",
         "id": "tundra_redwood_cliffs",
         "grassColor": "#A17E3C",
         "waterColor": "#80B4C6",