diff --git a/src/main/java/ninja/bytecode/iris/layer/GenLayerCave.java b/src/main/java/ninja/bytecode/iris/layer/GenLayerCave.java
index 97dd570db..4d015df95 100644
--- a/src/main/java/ninja/bytecode/iris/layer/GenLayerCave.java
+++ b/src/main/java/ninja/bytecode/iris/layer/GenLayerCave.java
@@ -42,7 +42,7 @@ public class GenLayerCave extends GenLayer
 		gg.SetCellularReturnType(CellularReturnType.Distance2Sub);
 		gg.SetCellularDistanceFunction(CellularDistanceFunction.Natural);
 
-		for(int i = 0; i < 3; i++)
+		for(int i = 0; i < 4; i++)
 		{
 			double wx = wxx + (shuffle.noise(wxx, wzz) * shuffleDistance);
 			double wz = wzz + (shuffle.noise(wzz, wxx) * shuffleDistance);
@@ -50,7 +50,7 @@ public class GenLayerCave extends GenLayer
 			double baseWidth = (9 * iris.getDimension().getCaveScale());
 			double distanceCheck = 0.0132 * baseWidth;
 			double distanceTake = 0.0032 * baseWidth;
-			double drop = 44 + iris.getDimension().getCaveShift();
+			double drop = (-i * 7) + 44 + iris.getDimension().getCaveShift();
 			double caveHeightNoise = incline * gincline.noise((wx + (10000 * i)), (wz - (10000 * i)));
 			caveHeightNoise += shuffle.fitDoubleD(-1, 1, wxx - caveHeightNoise, wzz + caveHeightNoise) * 3;
 			for(double tunnelHeight = 1; tunnelHeight <= baseWidth; tunnelHeight++)
diff --git a/src/main/java/ninja/bytecode/iris/object/IrisDepositGenerator.java b/src/main/java/ninja/bytecode/iris/object/IrisDepositGenerator.java
index c23cec4e3..9dc5f2de5 100644
--- a/src/main/java/ninja/bytecode/iris/object/IrisDepositGenerator.java
+++ b/src/main/java/ninja/bytecode/iris/object/IrisDepositGenerator.java
@@ -146,7 +146,13 @@ public class IrisDepositGenerator
 	public void generate(int x, int z, RNG rng, ParallaxChunkGenerator g)
 	{
 		IrisObject clump = getClump(rng);
-		int height = (int) (Math.round(g.getTerrainHeight(x, z)));
+		int height = (int) (Math.round(g.getTerrainHeight(x, z))) - 5;
+
+		if(height < 0)
+		{
+			return;
+		}
+
 		int i = Math.max(0, minHeight);
 		int a = Math.min(height, Math.min(256, maxHeight));