diff --git a/src/main/java/cr0s/warpdrive/conf/DeployableStructure.java b/src/main/java/cr0s/warpdrive/conf/structures/DeployableStructure.java
similarity index 92%
rename from src/main/java/cr0s/warpdrive/conf/DeployableStructure.java
rename to src/main/java/cr0s/warpdrive/conf/structures/DeployableStructure.java
index 607eb4cd..f22f67c7 100644
--- a/src/main/java/cr0s/warpdrive/conf/DeployableStructure.java
+++ b/src/main/java/cr0s/warpdrive/conf/structures/DeployableStructure.java
@@ -1,7 +1,7 @@
 /**
  *
  */
-package cr0s.warpdrive.conf;
+package cr0s.warpdrive.conf.structures;
 
 import net.minecraft.world.gen.feature.WorldGenerator;
 
diff --git a/src/main/java/cr0s/warpdrive/conf/Orb.java b/src/main/java/cr0s/warpdrive/conf/structures/Orb.java
similarity index 71%
rename from src/main/java/cr0s/warpdrive/conf/Orb.java
rename to src/main/java/cr0s/warpdrive/conf/structures/Orb.java
index 33c29736..e686d692 100644
--- a/src/main/java/cr0s/warpdrive/conf/Orb.java
+++ b/src/main/java/cr0s/warpdrive/conf/structures/Orb.java
@@ -1,5 +1,6 @@
-package cr0s.warpdrive.conf;
+package cr0s.warpdrive.conf.structures;
 
+import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Map.Entry;
 import java.util.Random;
@@ -12,146 +13,190 @@ import org.w3c.dom.Element;
 import org.w3c.dom.NodeList;
 
 import cr0s.warpdrive.WarpDrive;
+import cr0s.warpdrive.conf.InvalidXmlException;
+import cr0s.warpdrive.conf.XmlRepresentable;
 
 public abstract class Orb extends DeployableStructure implements XmlRepresentable {
 
+	private OrbShell[] shellRelative;
+	private ArrayList<OrbShell> shells;
+	
 	public Orb(int diameter) {
 		super(diameter, diameter, diameter);
-	}
 
+	}
+	
 	@Override
-	public void loadFromXmlElement(Element e) {
-		// TODO Auto-generated method stub
+	public void loadFromXmlElement(Element e) throws InvalidXmlException {
 
+		NodeList shells = e.getElementsByTagName("shell");
+		for (int i = 0; i < shells.getLength(); i++) {
+			Element tmp = (Element) shells.item(i);
+
+			OrbShell shell = new OrbShell();
+			shell.loadFromXmlElement(tmp);
+
+			setShell(shell.getRadiusInner(), shell.getRadiusOuter(), shell);
+
+		}
+		
 	}
-
+	
 	@Override
 	public void saveToXmlElement(Element e, Document d) {
-		// TODO Auto-generated method stub
-
+		for (OrbShell shell : shells) {
+			Element tmp = d.createElement("shell");
+			shell.saveToXmlElement(tmp, d);
+			e.appendChild(tmp);
+		}
+		
 	}
-
+	
 	@Override
 	public boolean generate(World p_76484_1_, Random p_76484_2_, int p_76484_3_, int p_76484_4_, int p_76484_5_) {
 		// TODO Auto-generated method stub
 		return false;
 	}
 
+	public void setShell(int inner, int outer, OrbShell shell) {
+		for (; inner <= outer; inner++)
+			shellRelative[inner] = shell;
+	}
+
+	public OrbShell getShellForRadius(int r) {
+		return shellRelative[r];
+	}
+
+	public Block getBlockForRadius(Random rand, int r) {
+		return shellRelative[r].getNextBlock(rand);
+
+	}
+	
 	public class OrbShell implements XmlRepresentable {
-
+		
 		private int radiusInner, radiusOuter;
-
+		
 		private HashMap<String, Integer> compositionBlocks;
-
+		
 		private Block[] blockWeights;
-
+		
 		private String name;
-
+		
 		private int totalWeight;
-
+		
 		public OrbShell() {
 			compositionBlocks = new HashMap<String, Integer>();
 			totalWeight = 1;
 			blockWeights = new Block[0];
 		}
-
+		
+		/**
+		 * Gets a block randomly chosen according to the setup of this OrbShell
+		 * 
+		 * @param r
+		 *            The Random to use
+		 * @return A Non-null block instance
+		 */
 		public Block getNextBlock(Random r) {
 			return blockWeights[r.nextInt(totalWeight)];
 		}
-
+		
 		public int getRadiusInner() {
 			return radiusInner;
 		}
-
+		
 		public void setRadiusInner(int radiusInner) {
-
+			
 			this.radiusInner = radiusInner;
 		}
-
+		
 		public int getRadiusOuter() {
 			return radiusOuter;
 		}
-
+		
 		public void setRadiusOuter(int radiusOuter) {
 			this.radiusOuter = radiusOuter;
 		}
-
+		
 		@Override
 		public void loadFromXmlElement(Element e) throws InvalidXmlException {
-
+			
 			WarpDrive.logger.info("Loading shell " + e.getAttribute("name"));
 			name = e.getAttribute("name");
-
+			
 			totalWeight = 0;
-
+			
 			try {
 				radiusInner = Integer.parseInt(e.getAttribute("radiusInner"));
 				radiusOuter = Integer.parseInt(e.getAttribute("radiusOuter"));
-
+				
 				if (radiusInner < 1 || radiusInner > radiusOuter)
 					throw new InvalidXmlException("Orb creation arguments are incorrect!");
-
+				
 				NodeList compBlocks = e.getElementsByTagName("CompositionBlock");
 				for (int i = 0; i < compBlocks.getLength(); i++) {
 					Element tmp = (Element) compBlocks.item(i);
-
+					
 					if (!tmp.hasAttribute("weight"))
 						throw new InvalidXmlException("Shell is missing weight at place " + i + "!");
-
+					
 					if (!tmp.hasAttribute("block"))
 						throw new InvalidXmlException("Shell is missing block at place " + i + "!");
-
+					
 					int tmpWeight = Integer.parseInt(tmp.getAttribute("weight"));
-
+					
 					if (tmpWeight < 1)
 						throw new InvalidXmlException("Weight is less than 1 at place " + i + "!");
-
+					
 					String tmpBlock = tmp.getAttribute("block");
-
+					
 					if (Block.getBlockFromName(tmpBlock) == null)
 						throw new InvalidXmlException("Shell has unknown block at place " + i + "!");
-
+					
 					totalWeight += tmpWeight;
-
+					
 					compositionBlocks.put(tmpBlock, tmpWeight);
 				}
-
+				
 				int index = 0;
 				blockWeights = new Block[totalWeight];
-
+				
 				for (Entry<String, Integer> compBlock : compositionBlocks.entrySet()) {
-
+					
 					Block bl = Block.getBlockFromName(compBlock.getKey());
-
+					
 					for (int i = 0; i < compBlock.getValue(); i++) {
 						blockWeights[index++] = bl;
 					}
-
+					
 				}
-
+				
 			} catch (NumberFormatException ex) {
 				throw new InvalidXmlException("Invalid integer in shell " + name + "!");
 			}
 
+			if (totalWeight < 1)
+				throw new InvalidXmlException("At least one kind of block must be defined!");
+			
 		}
-
+		
 		@Override
 		public void saveToXmlElement(Element e, Document d) {
 			WarpDrive.logger.info("Saving shell " + e.getAttribute("name"));
-
+			
 			e.setAttribute("name", name);
 			e.setAttribute("radiusInner", "" + radiusInner);
 			e.setAttribute("radiusOuter", "" + radiusOuter);
-
+			
 			for (Entry<String, Integer> compBlock : compositionBlocks.entrySet()) {
 				Element child = d.createElement("CompositionBlock");
 				child.setAttribute("weight", compBlock.getValue() + "");
 				child.setAttribute("block", compBlock.getKey());
 				e.appendChild(child);
 			}
-
+			
 		}
-
+		
 	}
-
+	
 }