diff --git a/src/com/gpl/rpg/atcontentstudio/model/gamedata/Requirement.java b/src/com/gpl/rpg/atcontentstudio/model/gamedata/Requirement.java
index edf1b54..98ccbc8 100644
--- a/src/com/gpl/rpg/atcontentstudio/model/gamedata/Requirement.java
+++ b/src/com/gpl/rpg/atcontentstudio/model/gamedata/Requirement.java
@@ -54,7 +54,8 @@ public class Requirement extends JSONElement {
 		spentGold,
 		consumedBonemeals,
 		hasActorCondition,
-		factionScore
+		factionScore,
+		random
 	}
 	
 	public enum SkillID {
@@ -104,9 +105,21 @@ public class Requirement extends JSONElement {
 	
 	@Override
 	public String getDesc() {
+		String obj_id = "";
+		if (required_obj_id != null)
+		{
+			obj_id = required_obj_id;
+			if (type != null && type == RequirementType.random){
+				obj_id = " Chance " + obj_id + (required_obj_id.contains("/") ? "" : "%"); 
+			}
+			else {
+				obj_id += ":";
+			}
+		}
+		
 		return ((negated != null && negated) ? "NOT " : "")
 				+(type == null ? "" : type.toString()+":")
-				+(required_obj_id == null ? "" : required_obj_id+":")
+				+obj_id
 				+(required_value == null ? "" : required_value.toString());
 	}
 
@@ -173,6 +186,7 @@ public class Requirement extends JSONElement {
 		case spentGold:
 		case timerElapsed:
 		case factionScore:
+		case random:
 			break;
 		}
 		if (this.required_obj != null) this.required_obj.addBacklink((GameDataElement) this.parent);
@@ -225,6 +239,12 @@ public class Requirement extends JSONElement {
 			required_obj_id = null;
 			required_value = null;
 		}
+		
+		if(destType==RequirementType.random)
+		{
+			required_obj_id = "50/100";
+		}
+		
 		type = destType;
 	}
 
diff --git a/src/com/gpl/rpg/atcontentstudio/ui/gamedataeditors/DialogueEditor.java b/src/com/gpl/rpg/atcontentstudio/ui/gamedataeditors/DialogueEditor.java
index fd09e6d..07560c7 100644
--- a/src/com/gpl/rpg/atcontentstudio/ui/gamedataeditors/DialogueEditor.java
+++ b/src/com/gpl/rpg/atcontentstudio/ui/gamedataeditors/DialogueEditor.java
@@ -123,7 +123,7 @@ public class DialogueEditor extends JSONElementEditor {
 	private MyComboBox requirementObj;
 	@SuppressWarnings("rawtypes")
 	private JComboBox requirementSkill;
-	private JTextField requirementObjId;
+	private JComponent requirementObjId;
 	private JComponent requirementValue;
 	private BooleanBasedCheckBox requirementNegated;
 	
@@ -722,6 +722,11 @@ public class DialogueEditor extends JSONElementEditor {
 				requirementObjId = null;
 				requirementValue = addIntegerField(pane, "Quantity: ", requirement.required_value, false, writable, listener);
 				break;
+			case random:
+				requirementObj = null;
+				requirementObjId = addChanceField(pane, "Chance: ", requirement.required_obj_id, "50/100", writable, listener);
+				requirementValue = null;
+				break;
 			case hasActorCondition:
 				requirementObj = addActorConditionBox(pane, project, "Actor Condition: ", (ActorCondition) requirement.required_obj, writable, listener);
 				requirementObjId = null;
diff --git a/src/com/gpl/rpg/atcontentstudio/ui/gamedataeditors/DroplistEditor.java b/src/com/gpl/rpg/atcontentstudio/ui/gamedataeditors/DroplistEditor.java
index 71b87fb..e644c17 100644
--- a/src/com/gpl/rpg/atcontentstudio/ui/gamedataeditors/DroplistEditor.java
+++ b/src/com/gpl/rpg/atcontentstudio/ui/gamedataeditors/DroplistEditor.java
@@ -221,9 +221,9 @@ public class DroplistEditor extends JSONElementEditor {
 				Droplist.DroppedItem di = (Droplist.DroppedItem)value;
 				if (di.item != null) {
 					label.setIcon(new ImageIcon(di.item.getIcon()));
-					label.setText(di.chance+(di.chance.contains("/") ? "" : "%")+" to get "+di.quantity_min+"-"+di.quantity_max+" "+di.item.getDesc());
+					label.setText(di.chance+(di.chance != null && di.chance.contains("/") ? "" : "%")+" to get "+di.quantity_min+"-"+di.quantity_max+" "+di.item.getDesc());
 				} else if (!isNull(di)) {
-					label.setText(di.chance+(di.chance.contains("/") ? "" : "%")+" to get "+di.quantity_min+"-"+di.quantity_max+" "+di.item_id);
+					label.setText(di.chance+(di.chance != null && di.chance.contains("/") ? "" : "%")+" to get "+di.quantity_min+"-"+di.quantity_max+" "+di.item_id);
 				} else {
 					label.setText("New, undefined, dropped item.");
 				}
diff --git a/src/com/gpl/rpg/atcontentstudio/ui/map/TMXMapEditor.java b/src/com/gpl/rpg/atcontentstudio/ui/map/TMXMapEditor.java
index edf68a8..afabd11 100644
--- a/src/com/gpl/rpg/atcontentstudio/ui/map/TMXMapEditor.java
+++ b/src/com/gpl/rpg/atcontentstudio/ui/map/TMXMapEditor.java
@@ -173,7 +173,7 @@ public class TMXMapEditor extends Editor implements TMXMap.MapChangedOnDiskListe
 	private JPanel requirementParamsPane;
 	@SuppressWarnings("rawtypes")
 	private JComboBox requirementObj;
-	private JTextField requirementObjId;
+	private JComponent requirementObjId;
 	private JComponent requirementValue;
 	private BooleanBasedCheckBox requirementNegated;
 	
@@ -675,6 +675,11 @@ public class TMXMapEditor extends Editor implements TMXMap.MapChangedOnDiskListe
 				requirementObjId = null;
 				requirementValue = addIntegerField(pane, "Quantity: ", requirement.required_value, false, writable, listener);
 				break;
+			case random:
+				requirementObj = null;
+				requirementObjId = addChanceField(pane, "Chance: ", requirement.required_obj_id, "50/100", writable, listener);
+				requirementValue = null;
+				break;
 			case hasActorCondition:
 				requirementObj = addActorConditionBox(pane, project, "Actor Condition: ", (ActorCondition) requirement.required_obj, writable, listener);
 				requirementObjId = null;
@@ -2318,11 +2323,14 @@ public class TMXMapEditor extends Editor implements TMXMap.MapChangedOnDiskListe
 	        			if (!activeReplacements.containsKey(area)) {
 	        				activeReplacements.put(area, true);
 	        			}
-	        			for (ReplaceArea.Replacement repl : area.replacements) {
-	        				if (replacementsForLayer.get(repl.sourceLayer) == null) {
-	        					replacementsForLayer.put(repl.sourceLayer, new ArrayList<ReplaceArea>());
-	        				}
-	        				replacementsForLayer.get(repl.sourceLayer).add(area);
+	        			
+	        			if(area.replacements != null) {
+		        			for (ReplaceArea.Replacement repl : area.replacements) {
+		        				if (replacementsForLayer.get(repl.sourceLayer) == null) {
+		        					replacementsForLayer.put(repl.sourceLayer, new ArrayList<ReplaceArea>());
+		        				}
+		        				replacementsForLayer.get(repl.sourceLayer).add(area);
+		        			}
 	        			}
 	        		}
 	        	}