diff --git a/lib/Gaea-1.12.1-javadoc.jar b/lib/Gaea-1.12.1-javadoc.jar
deleted file mode 100644
index ceaaba0af..000000000
Binary files a/lib/Gaea-1.12.1-javadoc.jar and /dev/null differ
diff --git a/lib/Gaea-1.12.2-javadoc.jar b/lib/Gaea-1.12.2-javadoc.jar
new file mode 100644
index 000000000..3b6faa82d
Binary files /dev/null and b/lib/Gaea-1.12.2-javadoc.jar differ
diff --git a/lib/Gaea-1.12.1-sources.jar b/lib/Gaea-1.12.2-sources.jar
similarity index 97%
rename from lib/Gaea-1.12.1-sources.jar
rename to lib/Gaea-1.12.2-sources.jar
index 5183b00d8..eeb72f357 100644
Binary files a/lib/Gaea-1.12.1-sources.jar and b/lib/Gaea-1.12.2-sources.jar differ
diff --git a/lib/Gaea-1.12.1.jar b/lib/Gaea-1.12.2.jar
similarity index 90%
rename from lib/Gaea-1.12.1.jar
rename to lib/Gaea-1.12.2.jar
index 3ba00e430..7be88ed49 100644
Binary files a/lib/Gaea-1.12.1.jar and b/lib/Gaea-1.12.2.jar differ
diff --git a/pom.xml b/pom.xml
index 1d828c9c2..3bf17e955 100644
--- a/pom.xml
+++ b/pom.xml
@@ -111,9 +111,9 @@
         <dependency>
             <groupId>org.polydev</groupId>
             <artifactId>gaea</artifactId>
-            <version>1.12.1</version>
+            <version>1.12.2</version>
             <scope>system</scope>
-            <systemPath>${basedir}/lib/Gaea-1.12.1.jar</systemPath>
+            <systemPath>${basedir}/lib/Gaea-1.12.2.jar</systemPath>
         </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>
diff --git a/src/main/java/com/dfsek/terra/biome/ErosionNoise.java b/src/main/java/com/dfsek/terra/biome/ErosionNoise.java
index 3a931de8f..7763f66bc 100644
--- a/src/main/java/com/dfsek/terra/biome/ErosionNoise.java
+++ b/src/main/java/com/dfsek/terra/biome/ErosionNoise.java
@@ -8,11 +8,11 @@ import org.polydev.gaea.math.FastNoiseLite;
 public class ErosionNoise {
     private final double thresh;
     private final FastNoiseLite noise;
-    public ErosionNoise(float freq1, double thresh, long seed) {
+    public ErosionNoise(float freq1, double thresh, int octaves, long seed) {
         FastNoiseLite main = new FastNoiseLite((int) (seed+1));
         main.setNoiseType(FastNoiseLite.NoiseType.OpenSimplex2);
-        main.setFractalType(FastNoiseLite.FractalType.PingPong);
-        main.setFractalOctaves(1);
+        main.setFractalType(FastNoiseLite.FractalType.FBm);
+        main.setFractalOctaves(octaves);
         main.setFrequency(freq1);
         this.thresh = thresh;
         this.noise = main;
@@ -25,6 +25,7 @@ public class ErosionNoise {
      * @return Whether location is eroded
      */
     boolean isEroded(int x, int z) {
-        return (noise.getNoise(x, z)+1)/2 <= thresh;
+        double abs = Math.pow(noise.getNoise(x, z), 2);
+        return abs < thresh;
     }
 }
diff --git a/src/main/java/com/dfsek/terra/biome/TerraBiomeGrid.java b/src/main/java/com/dfsek/terra/biome/TerraBiomeGrid.java
index c083d5bed..c8ba9cddf 100644
--- a/src/main/java/com/dfsek/terra/biome/TerraBiomeGrid.java
+++ b/src/main/java/com/dfsek/terra/biome/TerraBiomeGrid.java
@@ -21,13 +21,13 @@ public class TerraBiomeGrid extends BiomeGrid {
     private final BiomeZone zone;
 
     public TerraBiomeGrid(World w, float freq1, float freq2, BiomeZone zone, ConfigPack c, UserDefinedGrid erosion) {
-        super(w, freq1, freq2);
+        super(w, freq1, freq2, 0, 0);
         if(c.biomeBlend) {
             perturb = new CoordinatePerturb(c.blendFreq, c.blendAmp, w.getSeed());
         }
         this.zone = zone;
         if(c.erosionEnable) {
-            erode = new ErosionNoise(c.erosionFreq, c.erosionThresh, w.getSeed());
+            erode = new ErosionNoise(c.erosionFreq, c.erosionThresh, c.erosionOctaves, w.getSeed());
             this.erosionGrid = erosion;
         }
     }
diff --git a/src/main/java/com/dfsek/terra/biome/UserDefinedGrid.java b/src/main/java/com/dfsek/terra/biome/UserDefinedGrid.java
index 1639e5a4a..d237a7562 100644
--- a/src/main/java/com/dfsek/terra/biome/UserDefinedGrid.java
+++ b/src/main/java/com/dfsek/terra/biome/UserDefinedGrid.java
@@ -16,7 +16,6 @@ public class UserDefinedGrid extends BiomeGrid {
     private final ImageLoader.Channel channelZ;
     public UserDefinedGrid(World w, float freq1, float freq2, UserDefinedBiome[][] b, WorldConfig c) {
         super(w, freq1, freq2, b.length, b[0].length);
-        super.setNormalType(NormalType.LOOKUP4096);
         super.setGrid(b);
         imageLoader = c.imageLoader;
         fromImage = c.fromImage;
diff --git a/src/main/java/com/dfsek/terra/config/base/ConfigPack.java b/src/main/java/com/dfsek/terra/config/base/ConfigPack.java
index 4d96d6699..f12a574c1 100644
--- a/src/main/java/com/dfsek/terra/config/base/ConfigPack.java
+++ b/src/main/java/com/dfsek/terra/config/base/ConfigPack.java
@@ -61,6 +61,7 @@ public class ConfigPack extends YamlConfiguration {
     public final float erosionFreq;
     public final double erosionThresh;
     public final boolean erosionEnable;
+    public final int erosionOctaves;
     public final String erosionName;
 
     public final int blendAmp;
@@ -107,6 +108,7 @@ public class ConfigPack extends YamlConfiguration {
         erosionEnable = getBoolean("erode.enable", false);
         erosionFreq = (float) getDouble("erode.frequency", 0.01);
         erosionThresh = getDouble("erode.threshold", 0.04);
+        erosionOctaves = getInt("erode.octaves", 3);
 
         octaves = getInt("noise.octaves", 4);
         frequency = (float) getDouble("noise.frequency", 1f/96);