diff --git a/src/main/resources/default-config/abstract/biomes/basic_ores.yml b/src/main/resources/default-config/abstract/biomes/basic_ores.yml
index 0a4b2bb1a..59d63cc44 100644
--- a/src/main/resources/default-config/abstract/biomes/basic_ores.yml
+++ b/src/main/resources/default-config/abstract/biomes/basic_ores.yml
@@ -1,9 +1,9 @@
 id: "BASIC_ORES"
 
 carving:
-  - CAVE: 30
-  - RAVINE: 5
-  - CAVERN: 5
+  CAVE: 30
+  RAVINE: 5
+  CAVERN: 5
 ores:
   DIRT:
     min: 0
diff --git a/src/main/resources/default-config/abstract/biomes/deep_ocean_abstract.yml b/src/main/resources/default-config/abstract/biomes/deep_ocean_abstract.yml
index 66f96f838..7e0017981 100644
--- a/src/main/resources/default-config/abstract/biomes/deep_ocean_abstract.yml
+++ b/src/main/resources/default-config/abstract/biomes/deep_ocean_abstract.yml
@@ -26,7 +26,7 @@ flora:
         max: 64
 
 carving:
-  - CAVE_OCEAN: 35
+  CAVE_OCEAN: 35
 
 ores:
   DIRT:
diff --git a/src/main/resources/default-config/abstract/biomes/mountain/mountains_pretty.yml b/src/main/resources/default-config/abstract/biomes/mountain/mountains_pretty.yml
index 9710470c0..099879fb4 100644
--- a/src/main/resources/default-config/abstract/biomes/mountain/mountains_pretty.yml
+++ b/src/main/resources/default-config/abstract/biomes/mountain/mountains_pretty.yml
@@ -2,9 +2,9 @@ noise-equation: "((-((y / 76)^2)) + 1) + ((noise2(x, z)+0.5) / 3) + abs(noise2(x
 id: "MOUNTAINS_PRETTY"
 
 carving:
-  - CAVE: 30
-  - RAVINE: 5
-  - CAVERN: 5
+  CAVE: 30
+  RAVINE: 5
+  CAVERN: 5
 
 ores:
   DIRT:
diff --git a/src/main/resources/default-config/abstract/biomes/mountain/mountains_pretty_border_0.yml b/src/main/resources/default-config/abstract/biomes/mountain/mountains_pretty_border_0.yml
index 2524fabc0..c7564a450 100644
--- a/src/main/resources/default-config/abstract/biomes/mountain/mountains_pretty_border_0.yml
+++ b/src/main/resources/default-config/abstract/biomes/mountain/mountains_pretty_border_0.yml
@@ -2,9 +2,9 @@ noise-equation: "((-((y / 64)^2)) + 1) + ((noise2(x, z)+0.5) / 3) + abs(noise2(x
 id: "MOUNTAINS_PRETTY_0"
 
 carving:
-  - CAVE: 30
-  - RAVINE: 5
-  - CAVERN: 5
+  CAVE: 30
+  RAVINE: 5
+  CAVERN: 5
 
 ores:
   DIRT:
diff --git a/src/main/resources/default-config/abstract/biomes/mountain/mountains_pretty_border_1.yml b/src/main/resources/default-config/abstract/biomes/mountain/mountains_pretty_border_1.yml
index 8d8f20e55..94d6743a9 100644
--- a/src/main/resources/default-config/abstract/biomes/mountain/mountains_pretty_border_1.yml
+++ b/src/main/resources/default-config/abstract/biomes/mountain/mountains_pretty_border_1.yml
@@ -2,9 +2,9 @@ noise-equation: "((-((y / 70)^2)) + 1) + ((noise2(x, z)+0.5) / 3) + abs(noise2(x
 id: "MOUNTAINS_PRETTY_1"
 
 carving:
-  - CAVE: 30
-  - RAVINE: 5
-  - CAVERN: 5
+  CAVE: 30
+  RAVINE: 5
+  CAVERN: 5
 
 ores:
   DIRT:
diff --git a/src/main/resources/default-config/abstract/biomes/ocean_abstract.yml b/src/main/resources/default-config/abstract/biomes/ocean_abstract.yml
index 142553b54..0a2788c93 100644
--- a/src/main/resources/default-config/abstract/biomes/ocean_abstract.yml
+++ b/src/main/resources/default-config/abstract/biomes/ocean_abstract.yml
@@ -26,7 +26,7 @@ flora:
         max: 64
 
 carving:
-  - CAVE_OCEAN: 35
+  CAVE_OCEAN: 35
 
 ores:
   DIRT:
diff --git a/src/main/resources/default-config/abstract/biomes/plains_abstract.yml b/src/main/resources/default-config/abstract/biomes/plains_abstract.yml
index db15649e8..9357175b2 100644
--- a/src/main/resources/default-config/abstract/biomes/plains_abstract.yml
+++ b/src/main/resources/default-config/abstract/biomes/plains_abstract.yml
@@ -1,10 +1,10 @@
-noise-equation: "((-((y / 64)^2)) + 1) + |(noise2(x, z) / 3) + 0.1|"
+noise-equation: "((-((y / 63)^2)) + 1) + |(noise2(x, z) / 3) + 0.1|"
 id: "PLAINS_ABSTRACT"
 
 carving:
-  - CAVE: 30
-  - RAVINE: 5
-  - CAVERN: 5
+  CAVE: 30
+  RAVINE: 5
+  CAVERN: 5
 
 erodible: true
 ores:
diff --git a/src/main/resources/default-config/abstract/biomes/shelf_ocean_abstract.yml b/src/main/resources/default-config/abstract/biomes/shelf_ocean_abstract.yml
index c098b4081..d7e571dae 100644
--- a/src/main/resources/default-config/abstract/biomes/shelf_ocean_abstract.yml
+++ b/src/main/resources/default-config/abstract/biomes/shelf_ocean_abstract.yml
@@ -26,7 +26,7 @@ flora:
         max: 64
 
 carving:
-  - CAVE_OCEAN: 35
+  CAVE_OCEAN: 35
 
 ores:
   DIRT:
diff --git a/src/main/resources/default-config/biomes/forest/dark_forest.yml b/src/main/resources/default-config/biomes/forest/dark_forest.yml
index c718f5716..4deb18fef 100644
--- a/src/main/resources/default-config/biomes/forest/dark_forest.yml
+++ b/src/main/resources/default-config/biomes/forest/dark_forest.yml
@@ -3,6 +3,8 @@ extends: "BASIC_ORES"
 id: "DARK_FOREST"
 name: "Birch Forest"
 
+structures:
+  - MANSION
 palette:
   - BEDROCK: 0
   - BEDROCK_MOST: 1
diff --git a/src/main/resources/default-config/biomes/forest/snowy_taiga.yml b/src/main/resources/default-config/biomes/forest/snowy_taiga.yml
index 8fc775bf8..2c201d3c2 100644
--- a/src/main/resources/default-config/biomes/forest/snowy_taiga.yml
+++ b/src/main/resources/default-config/biomes/forest/snowy_taiga.yml
@@ -41,15 +41,10 @@ flora:
         max: 84
 
 trees:
-  density: 125
+  density: 75
   items:
-    SPRUCE:
+    SPRUCE_CUSTOM:
       weight: 1
       y:
         min: 58
         max: 84
-    LARGE_SPRUCE:
-      weight: 1
-      y:
-        min: 58
-        max: 84
\ No newline at end of file
diff --git a/src/main/resources/default-config/biomes/forest/taiga.yml b/src/main/resources/default-config/biomes/forest/taiga.yml
index 0aa156ca9..0b018c30f 100644
--- a/src/main/resources/default-config/biomes/forest/taiga.yml
+++ b/src/main/resources/default-config/biomes/forest/taiga.yml
@@ -35,15 +35,10 @@ flora:
         max: 84
 
 trees:
-  density: 125
+  density: 75
   items:
-    SPRUCE:
+    SPRUCE_CUSTOM:
       weight: 1
       y:
         min: 58
         max: 84
-    LARGE_SPRUCE:
-      weight: 1
-      y:
-        min: 58
-        max: 84
\ No newline at end of file
diff --git a/src/main/resources/default-config/biomes/plains.yml b/src/main/resources/default-config/biomes/plains.yml
index 5db536dea..b9188116b 100644
--- a/src/main/resources/default-config/biomes/plains.yml
+++ b/src/main/resources/default-config/biomes/plains.yml
@@ -18,23 +18,22 @@ flora:
   attempts: 1
   items:
     TALL_GRASS:
-      weight: 160
+      weight: 29
       y:
         min: 62
         max: 84
     GRASS:
-      weight: 100
+      weight: 70
       y:
         min: 62
         max: 84
     SUNFLOWER:
-      weight: 8
+      weight: 1
       y:
         min: 62
         max: 84
 
 trees:
-  chance: 1
   density: 1
   items:
     OAK:
diff --git a/src/main/resources/default-config/biomes/swamp.yml b/src/main/resources/default-config/biomes/swamp.yml
index ad447ed8e..0327f88ca 100644
--- a/src/main/resources/default-config/biomes/swamp.yml
+++ b/src/main/resources/default-config/biomes/swamp.yml
@@ -41,7 +41,7 @@ flora:
         max: 84
 
 carving:
-  - CAVE_SWAMP: 30
+  CAVE_SWAMP: 30
 
 
 
diff --git a/src/main/resources/default-config/biomes/tundra.yml b/src/main/resources/default-config/biomes/tundra.yml
index ac04ddea2..6a8c127ac 100644
--- a/src/main/resources/default-config/biomes/tundra.yml
+++ b/src/main/resources/default-config/biomes/tundra.yml
@@ -10,9 +10,9 @@ palette:
   - TUNDRA: 255
 vanilla: SNOWY_TUNDRA
 carving:
-  - CAVE_TUNDRA: 35
-  - RAVINE: 5
-  - CAVERN: 5
+  CAVE_TUNDRA: 35
+  RAVINE: 5
+  CAVERN: 5
 
 snow:
   - min: 0
diff --git a/src/main/resources/default-config/pack.yml b/src/main/resources/default-config/pack.yml
index eff23ffc6..4e10152b4 100644
--- a/src/main/resources/default-config/pack.yml
+++ b/src/main/resources/default-config/pack.yml
@@ -1,4 +1,4 @@
-id: DEFAULT
+id: OVERWORLD_DEMO
 grids:
   - OCEAN_DEEP
   - OCEAN_DEEP
@@ -58,10 +58,12 @@ blend:
   amplitude: 10
 erode:
   enable: true
-  frequency: 0.005
-  threshold: 0.001
-  octaves: 4
+  frequency: 0.001
+  threshold: 0.0015
+  octaves: 5
   grid: "BIOME:RIVER"
 noise:
-  octaves: 4
-  frequency: 0.01
\ No newline at end of file
+  octaves: 5
+  frequency: 0.0075
+locatable:
+  STRONGHOLD: JUNGLE
\ No newline at end of file
diff --git a/src/main/resources/default-config/structures/data/mansion.tstructure b/src/main/resources/default-config/structures/data/mansion.tstructure
new file mode 100644
index 000000000..e9e267cd2
Binary files /dev/null and b/src/main/resources/default-config/structures/data/mansion.tstructure differ
diff --git a/src/main/resources/default-config/structures/data/pull.tstructure b/src/main/resources/default-config/structures/data/pull.tstructure
deleted file mode 100644
index 683ef1825..000000000
Binary files a/src/main/resources/default-config/structures/data/pull.tstructure and /dev/null differ
diff --git a/src/main/resources/default-config/structures/data/swamp1.tstructure b/src/main/resources/default-config/structures/data/swamp1.tstructure
deleted file mode 100644
index fda1890f7..000000000
Binary files a/src/main/resources/default-config/structures/data/swamp1.tstructure and /dev/null differ
diff --git a/src/main/resources/default-config/structures/data/swamp2.tstructure b/src/main/resources/default-config/structures/data/swamp2.tstructure
deleted file mode 100644
index 5c34d3861..000000000
Binary files a/src/main/resources/default-config/structures/data/swamp2.tstructure and /dev/null differ
diff --git a/src/main/resources/default-config/structures/data/swamp3.tstructure b/src/main/resources/default-config/structures/data/swamp3.tstructure
deleted file mode 100644
index f9e471933..000000000
Binary files a/src/main/resources/default-config/structures/data/swamp3.tstructure and /dev/null differ
diff --git a/src/main/resources/default-config/structures/data/swamp4.tstructure b/src/main/resources/default-config/structures/data/swamp4.tstructure
deleted file mode 100644
index c24811199..000000000
Binary files a/src/main/resources/default-config/structures/data/swamp4.tstructure and /dev/null differ
diff --git a/src/main/resources/default-config/structures/data/swamp5.tstructure b/src/main/resources/default-config/structures/data/swamp5.tstructure
deleted file mode 100644
index 8d6af79be..000000000
Binary files a/src/main/resources/default-config/structures/data/swamp5.tstructure and /dev/null differ
diff --git a/src/main/resources/default-config/structures/data/swamp6.tstructure b/src/main/resources/default-config/structures/data/swamp6.tstructure
deleted file mode 100644
index 8bc1b0167..000000000
Binary files a/src/main/resources/default-config/structures/data/swamp6.tstructure and /dev/null differ
diff --git a/src/main/resources/default-config/structures/data/swamp7.tstructure b/src/main/resources/default-config/structures/data/swamp7.tstructure
deleted file mode 100644
index 8aa06238a..000000000
Binary files a/src/main/resources/default-config/structures/data/swamp7.tstructure and /dev/null differ
diff --git a/src/main/resources/default-config/structures/data/swamp8.tstructure b/src/main/resources/default-config/structures/data/swamp8.tstructure
deleted file mode 100644
index e82a8db26..000000000
Binary files a/src/main/resources/default-config/structures/data/swamp8.tstructure and /dev/null differ
diff --git a/src/main/resources/default-config/structures/data/testloot.tstructure b/src/main/resources/default-config/structures/data/testloot.tstructure
deleted file mode 100644
index 49e27e6ca..000000000
Binary files a/src/main/resources/default-config/structures/data/testloot.tstructure and /dev/null differ
diff --git a/src/main/resources/default-config/structures/single/jungle.yml b/src/main/resources/default-config/structures/single/jungle.yml
index 7ea32f1bc..5e9277fc3 100644
--- a/src/main/resources/default-config/structures/single/jungle.yml
+++ b/src/main/resources/default-config/structures/single/jungle.yml
@@ -8,11 +8,8 @@ spawn:
   bound:
     min: 48
     max: 96
-  type: DISTRIBUTE
-  width: 75
-  padding: 25
-  search: DOWN
-  enable: true
+  width: 250
+  padding: 50
 loot:
   0: arrows
   1: cobble_house
\ No newline at end of file
diff --git a/src/main/resources/default-config/structures/single/mansion.yml b/src/main/resources/default-config/structures/single/mansion.yml
new file mode 100644
index 000000000..bab03077b
--- /dev/null
+++ b/src/main/resources/default-config/structures/single/mansion.yml
@@ -0,0 +1,14 @@
+files:
+  mansion: 1
+id: "MANSION"
+spawn:
+  start:
+    min: 72
+    max: 72
+  bound:
+    min: 48
+    max: 96
+  width: 250
+  padding: 100
+loot:
+  1: arrows
\ No newline at end of file
diff --git a/src/main/resources/default-config/structures/single/pull.yml b/src/main/resources/default-config/structures/single/pull.yml
deleted file mode 100644
index e99a6487b..000000000
--- a/src/main/resources/default-config/structures/single/pull.yml
+++ /dev/null
@@ -1,15 +0,0 @@
-files:
-  pull: 1
-id: "PULL"
-spawn:
-  start:
-    min: 96
-    max: 96
-  bound:
-    min: 48
-    max: 128
-  type: DISTRIBUTE
-  width: 25
-  padding: 10
-  search: DOWN
-  enable: true
\ No newline at end of file
diff --git a/src/main/resources/default-config/trees/data/spruce1.tstructure b/src/main/resources/default-config/trees/data/spruce1.tstructure
index 15cf9a16f..1a90102ed 100644
Binary files a/src/main/resources/default-config/trees/data/spruce1.tstructure and b/src/main/resources/default-config/trees/data/spruce1.tstructure differ
diff --git a/src/main/resources/default-config/trees/data/spruce2.tstructure b/src/main/resources/default-config/trees/data/spruce2.tstructure
index 9b43d6191..4d700529a 100644
Binary files a/src/main/resources/default-config/trees/data/spruce2.tstructure and b/src/main/resources/default-config/trees/data/spruce2.tstructure differ
diff --git a/src/main/resources/default-config/trees/data/spruce3.tstructure b/src/main/resources/default-config/trees/data/spruce3.tstructure
new file mode 100644
index 000000000..215a1104f
Binary files /dev/null and b/src/main/resources/default-config/trees/data/spruce3.tstructure differ
diff --git a/src/main/resources/default-config/trees/data/spruce4.tstructure b/src/main/resources/default-config/trees/data/spruce4.tstructure
new file mode 100644
index 000000000..dc8120cfd
Binary files /dev/null and b/src/main/resources/default-config/trees/data/spruce4.tstructure differ
diff --git a/src/main/resources/default-config/trees/data/spruce5.tstructure b/src/main/resources/default-config/trees/data/spruce5.tstructure
new file mode 100644
index 000000000..79b473e4d
Binary files /dev/null and b/src/main/resources/default-config/trees/data/spruce5.tstructure differ
diff --git a/src/main/resources/default-config/trees/data/spruce6.tstructure b/src/main/resources/default-config/trees/data/spruce6.tstructure
new file mode 100644
index 000000000..b5470c0b2
Binary files /dev/null and b/src/main/resources/default-config/trees/data/spruce6.tstructure differ
diff --git a/src/main/resources/default-config/trees/data/spruce7.tstructure b/src/main/resources/default-config/trees/data/spruce7.tstructure
new file mode 100644
index 000000000..751638384
Binary files /dev/null and b/src/main/resources/default-config/trees/data/spruce7.tstructure differ
diff --git a/src/main/resources/default-config/trees/data/spruce_tree_1.tstructure b/src/main/resources/default-config/trees/data/spruce_tree_1.tstructure
new file mode 100644
index 000000000..40ae29a88
Binary files /dev/null and b/src/main/resources/default-config/trees/data/spruce_tree_1.tstructure differ
diff --git a/src/main/resources/default-config/trees/trees/spruce.yml b/src/main/resources/default-config/trees/trees/spruce.yml
index f651b6272..e5ab346aa 100644
--- a/src/main/resources/default-config/trees/trees/spruce.yml
+++ b/src/main/resources/default-config/trees/trees/spruce.yml
@@ -1,7 +1,13 @@
 files:
   spruce1: 1
-  spruce2: 2
+  spruce2: 1
+  spruce3: 1
+  spruce4: 1
+  spruce5: 1
+  spruce6: 1
+  spruce7: 1
 id: SPRUCE_CUSTOM
 y-offset: 0
 spawnable:
-  - "minecraft:grass_block"
\ No newline at end of file
+  - "minecraft:grass_block"
+  - "minecraft:podzol"
\ No newline at end of file