diff --git a/overworld/biomes/hot-ocean-cliffs.json b/overworld/biomes/hot-ocean-cliffs.json
index 234039b6..326859fe 100644
--- a/overworld/biomes/hot-ocean-cliffs.json
+++ b/overworld/biomes/hot-ocean-cliffs.json
@@ -45,6 +45,136 @@
             "SMOOTH_RED_SANDSTONE"
         ]
     },
+    "objects":[
+
+        {
+         "chance": 0.1,
+         "density": 1,
+         "underwater": true,
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"fire_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"brain_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"brain_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"bubble_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"bubble_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"fire_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     }
+    ],
     "slab": {
         "dispersion": "SCATTER",
         "terrainZoom": 0.5,
diff --git a/overworld/biomes/hot-ocean.json b/overworld/biomes/hot-ocean.json
index d05810a2..aa16970b 100644
--- a/overworld/biomes/hot-ocean.json
+++ b/overworld/biomes/hot-ocean.json
@@ -67,7 +67,134 @@
              "y":0,
              "z":0
           }
-       }
+       },
+       {
+        "chance": 0.1,
+        "density": 1,
+        "underwater": true,
+        "rotation": {
+            "yAxis": {
+                "min": 0,
+                "max": 0,
+                "interval": 90,
+                "enabled": true
+            },
+            "enabled": true
+        },
+        "place": [
+            "coral-rgb/coral-by-1",
+            "coral-rgb/coral-by-2",
+            "coral-rgb/coral-by-3",
+            "coral-rgb/coral-by-4"
+        ],
+        "translate": {
+            "x": 0,
+            "y": 0,
+            "z": 0
+        }
+    },
+    {
+        "chance": 0.1,
+        "density": 1,
+        "edit":[
+            {
+                "find":"horn_coral_block",
+                "replace":"fire_coral_block"
+             },
+             {
+                "find":"tube_coral_block",
+                "replace":"brain_coral_block"
+             }
+        ],
+        "rotation": {
+            "yAxis": {
+                "min": 0,
+                "max": 0,
+                "interval": 90,
+                "enabled": true
+            },
+            "enabled": true
+        },
+        "place": [
+            "coral-rgb/coral-by-1",
+            "coral-rgb/coral-by-2",
+            "coral-rgb/coral-by-3",
+            "coral-rgb/coral-by-4"
+        ],
+        "translate": {
+            "x": 0,
+            "y": 0,
+            "z": 0
+        }
+    },
+    {
+        "chance": 0.1,
+        "density": 1,
+        "edit":[
+            {
+                "find":"horn_coral_block",
+                "replace":"brain_coral_block"
+             },
+             {
+                "find":"tube_coral_block",
+                "replace":"bubble_coral_block"
+             }
+        ],
+        "rotation": {
+            "yAxis": {
+                "min": 0,
+                "max": 0,
+                "interval": 90,
+                "enabled": true
+            },
+            "enabled": true
+        },
+        "place": [
+            "coral-rgb/coral-by-1",
+            "coral-rgb/coral-by-2",
+            "coral-rgb/coral-by-3",
+            "coral-rgb/coral-by-4"
+        ],
+        "translate": {
+            "x": 0,
+            "y": 0,
+            "z": 0
+        }
+    },
+    {
+        "chance": 0.1,
+        "density": 1,
+        "edit":[
+            {
+                "find":"horn_coral_block",
+                "replace":"bubble_coral_block"
+             },
+             {
+                "find":"tube_coral_block",
+                "replace":"fire_coral_block"
+             }
+        ],
+        "rotation": {
+            "yAxis": {
+                "min": 0,
+                "max": 0,
+                "interval": 90,
+                "enabled": true
+            },
+            "enabled": true
+        },
+        "place": [
+            "coral-rgb/coral-by-1",
+            "coral-rgb/coral-by-2",
+            "coral-rgb/coral-by-3",
+            "coral-rgb/coral-by-4"
+        ],
+        "translate": {
+            "x": 0,
+            "y": 0,
+            "z": 0
+        }
+    }
     ],
     "slab": {
         "dispersion": "SCATTER",
diff --git a/overworld/biomes/mushroom-ocean.json b/overworld/biomes/mushroom-ocean.json
index 45644078..c7ab64c5 100644
--- a/overworld/biomes/mushroom-ocean.json
+++ b/overworld/biomes/mushroom-ocean.json
@@ -76,6 +76,136 @@
             "AIR"
         ]
     },
+    "objects":[
+
+        {
+         "chance": 0.1,
+         "density": 1,
+         "underwater": true,
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"fire_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"brain_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"brain_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"bubble_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"bubble_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"fire_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     }
+    ],
     "generators":[
         {
             "generator": "plain",
diff --git a/overworld/biomes/rocky-ocean.json b/overworld/biomes/rocky-ocean.json
index a59d1ba2..abd2e4ad 100644
--- a/overworld/biomes/rocky-ocean.json
+++ b/overworld/biomes/rocky-ocean.json
@@ -33,6 +33,136 @@
             ]
         }
     ],
+    "objects":[
+
+        {
+         "chance": 0.1,
+         "density": 1,
+         "underwater": true,
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"fire_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"brain_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"brain_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"bubble_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"bubble_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"fire_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     }
+    ],
     "wall": 
     {
         "dispersion": "WISPY",
diff --git a/overworld/biomes/swamp-ocean.json b/overworld/biomes/swamp-ocean.json
index 04430768..d332e5bc 100644
--- a/overworld/biomes/swamp-ocean.json
+++ b/overworld/biomes/swamp-ocean.json
@@ -32,6 +32,136 @@
             ]
         }
     ],
+    "objects":[
+
+        {
+         "chance": 0.1,
+         "density": 1,
+         "underwater": true,
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"fire_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"brain_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"brain_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"bubble_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"bubble_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"fire_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     }
+    ],
     "decorators":[
         {
             "zoom": 20,
diff --git a/overworld/biomes/swamp-willow-forest.json b/overworld/biomes/swamp-willow-forest.json
index 1fd9a9cb..5c559f0b 100644
--- a/overworld/biomes/swamp-willow-forest.json
+++ b/overworld/biomes/swamp-willow-forest.json
@@ -84,7 +84,7 @@
     },
     "objects": [
         {
-            "chance": 1,
+            "chance": 0.7,
             "density": 1,
             "edit":[
                 {
@@ -133,7 +133,7 @@
             }
         },
         {
-            "chance": 1,
+            "chance": 0.2,
             "density": 1,
             "edit":[
                 {
diff --git a/overworld/biomes/temperate-ocean.json b/overworld/biomes/temperate-ocean.json
index a3dead91..c0cc9280 100644
--- a/overworld/biomes/temperate-ocean.json
+++ b/overworld/biomes/temperate-ocean.json
@@ -32,6 +32,136 @@
             ]
         }
     ],
+    "objects":[
+
+        {
+         "chance": 0.1,
+         "density": 1,
+         "underwater": true,
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"fire_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"brain_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"brain_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"bubble_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"bubble_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"fire_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     }
+    ],
     "generators":[
         {
             "generator": "plain",
diff --git a/overworld/biomes/tropical-coral-ocean-cliffs.json b/overworld/biomes/tropical-coral-ocean-cliffs.json
index 9e4ca8d5..bb399d8c 100644
--- a/overworld/biomes/tropical-coral-ocean-cliffs.json
+++ b/overworld/biomes/tropical-coral-ocean-cliffs.json
@@ -58,6 +58,136 @@
         "dispersion": "WISPY",
         "terrainZoom": 0.1
     },
+    "objects":[
+
+        {
+         "chance": 0.1,
+         "density": 1,
+         "underwater": true,
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"fire_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"brain_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"brain_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"bubble_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"bubble_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"fire_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     }
+    ],
     "childShrinkFactor": 1.1,
     "decorators":[
         {
diff --git a/overworld/biomes/tropical-coral-ocean.json b/overworld/biomes/tropical-coral-ocean.json
index ac8fbb21..488199f9 100644
--- a/overworld/biomes/tropical-coral-ocean.json
+++ b/overworld/biomes/tropical-coral-ocean.json
@@ -58,6 +58,136 @@
             "AIR"
         ]
     },
+    "objects":[
+
+        {
+         "chance": 0.1,
+         "density": 1,
+         "underwater": true,
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"fire_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"brain_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"brain_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"bubble_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"bubble_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"fire_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     }
+    ],
     "childShrinkFactor": 1.1,
     "decorators":[
         {
diff --git a/overworld/biomes/tropical-ocean.json b/overworld/biomes/tropical-ocean.json
index 45a3ed7a..03018a47 100644
--- a/overworld/biomes/tropical-ocean.json
+++ b/overworld/biomes/tropical-ocean.json
@@ -36,6 +36,7 @@
         {
             "chance": 0.1,
             "density": 1,
+            "underwater": true,
             "rotation": {
                 "yAxis": {
                     "min": 0,
@@ -47,9 +48,9 @@
             },
             "place": [
                 "coral-rgb/coral-by-1",
-                "coral-rgb/coral-by-1",
-                "coral-rgb/coral-by-1",
-                "coral-rgb/coral-by-1"
+                "coral-rgb/coral-by-2",
+                "coral-rgb/coral-by-3",
+                "coral-rgb/coral-by-4"
             ],
             "translate": {
                 "x": 0,
@@ -81,9 +82,9 @@
             },
             "place": [
                 "coral-rgb/coral-by-1",
-                "coral-rgb/coral-by-1",
-                "coral-rgb/coral-by-1",
-                "coral-rgb/coral-by-1"
+                "coral-rgb/coral-by-2",
+                "coral-rgb/coral-by-3",
+                "coral-rgb/coral-by-4"
             ],
             "translate": {
                 "x": 0,
@@ -115,9 +116,9 @@
             },
             "place": [
                 "coral-rgb/coral-by-1",
-                "coral-rgb/coral-by-1",
-                "coral-rgb/coral-by-1",
-                "coral-rgb/coral-by-1"
+                "coral-rgb/coral-by-2",
+                "coral-rgb/coral-by-3",
+                "coral-rgb/coral-by-4"
             ],
             "translate": {
                 "x": 0,
@@ -149,9 +150,9 @@
             },
             "place": [
                 "coral-rgb/coral-by-1",
-                "coral-rgb/coral-by-1",
-                "coral-rgb/coral-by-1",
-                "coral-rgb/coral-by-1"
+                "coral-rgb/coral-by-2",
+                "coral-rgb/coral-by-3",
+                "coral-rgb/coral-by-4"
             ],
             "translate": {
                 "x": 0,
diff --git a/overworld/biomes/tundra-mountains.json b/overworld/biomes/tundra-mountains.json
index 414b9491..b99a2e49 100644
--- a/overworld/biomes/tundra-mountains.json
+++ b/overworld/biomes/tundra-mountains.json
@@ -72,68 +72,7 @@
         },
 
         {
-            "chance": 0.035,
-            "density": 1,
-            "rotation": {
-                "yAxis": {
-                    "min": 0,
-                    "max": 0,
-                    "interval": 90,
-                    "enabled": true
-                },
-                "enabled": true
-            },
-            "place": [
-                "boulder/boulder1",
-                "boulder/boulder2",
-                "boulder/boulder3",
-                "boulder/boulder4",
-                "boulder/boulder5",
-                "boulder/boulder6",
-                "boulder/boulder7",
-                "boulder/boulder8",
-                "boulder/boulder9",
-                "boulder/boulder10",
-                "boulder/boulder11",
-                "boulder/boulder12",
-                "boulder/boulder13",
-                "boulder/boulder14",
-                "boulder/boulder15"
-            ],
-            "translate": {
-                "x": 0,
-                "y": -2,
-                "z": 0
-            }
-        },
-        {
-            "chance": 0.075,
-            "density": 1,
-            "rotation": {
-                "yAxis": {
-                    "min": 0,
-                    "max": 0,
-                    "interval": 90,
-                    "enabled": true
-                },
-                "enabled": true
-            },
-            "place": [
-                "stump/stump1",
-                "stump/stump2",
-                "stump/stump3",
-                "stump/stump4",
-                "stump/stump5",
-                "stump/stump6"
-            ],
-            "translate": {
-                "x": 0,
-                "y": 0,
-                "z": 0
-            }
-        },
-        {
-            "chance": 0.825,
+            "chance": 0.625,
             "density": 1,
             "place": [
                 "pine/pine1",
diff --git a/overworld/biomes/tundra-ocean.json b/overworld/biomes/tundra-ocean.json
index 2fc48efd..3d9e581b 100644
--- a/overworld/biomes/tundra-ocean.json
+++ b/overworld/biomes/tundra-ocean.json
@@ -32,6 +32,136 @@
             ]
         }
     ],
+    "objects":[
+
+        {
+         "chance": 0.1,
+         "density": 1,
+         "underwater": true,
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"fire_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"brain_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"brain_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"bubble_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     },
+     {
+         "chance": 0.1,
+         "density": 1,
+         "edit":[
+             {
+                 "find":"horn_coral_block",
+                 "replace":"bubble_coral_block"
+              },
+              {
+                 "find":"tube_coral_block",
+                 "replace":"fire_coral_block"
+              }
+         ],
+         "rotation": {
+             "yAxis": {
+                 "min": 0,
+                 "max": 0,
+                 "interval": 90,
+                 "enabled": true
+             },
+             "enabled": true
+         },
+         "place": [
+             "coral-rgb/coral-by-1",
+             "coral-rgb/coral-by-2",
+             "coral-rgb/coral-by-3",
+             "coral-rgb/coral-by-4"
+         ],
+         "translate": {
+             "x": 0,
+             "y": 0,
+             "z": 0
+         }
+     }
+    ],
     "children": [
         "rocky-ocean"
     ],
diff --git a/overworld/objects/lith/concrete-lith-1.iob b/overworld/objects/lith/concrete-lith-1.iob
new file mode 100644
index 00000000..9c75b1d4
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diff --git a/overworld/objects/lith/concrete-lith-2.iob b/overworld/objects/lith/concrete-lith-2.iob
new file mode 100644
index 00000000..d76b9b03
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diff --git a/overworld/objects/lith/concrete-lith-3.iob b/overworld/objects/lith/concrete-lith-3.iob
new file mode 100644
index 00000000..75c3ddd2
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diff --git a/overworld/objects/lith/concrete-lith-4.iob b/overworld/objects/lith/concrete-lith-4.iob
new file mode 100644
index 00000000..fd5fb19e
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diff --git a/overworld/objects/lith/concrete-lith-5.iob b/overworld/objects/lith/concrete-lith-5.iob
new file mode 100644
index 00000000..35ffa883
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diff --git a/overworld/objects/lith/concrete-lith-6.iob b/overworld/objects/lith/concrete-lith-6.iob
new file mode 100644
index 00000000..939d5836
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diff --git a/overworld/objects/lith/concrete-lith-7.iob b/overworld/objects/lith/concrete-lith-7.iob
new file mode 100644
index 00000000..a9e758f0
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