diff --git a/aCis/data/xml/dropType.xml b/aCis/data/xml/dropType.xml
new file mode 100644
index 0000000..a30f1f7
--- /dev/null
+++ b/aCis/data/xml/dropType.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<list>
+<!--
+@param Integer npcId - select the npc id to dropped the items
+@param String type - select the npc type for items to be dropped.
+@param Integer itemId - the id of the dropped item.
+@param Integer minDrop - the minimum quantity of dropped items.
+@param Integer maxDrop - the maximum quantity of dropped items.
+@param Integer chance - the chance to have a drop, under a 1000000 chance.
+--> 
+	<drops type="Monster" itemId="3470" minDrop="1" maxDrop="1" chance="1000000"/>
+</list>
\ No newline at end of file
diff --git a/aCis/java/net/sf/l2j/gameserver/GameServer.java b/aCis/java/net/sf/l2j/gameserver/GameServer.java
index d10ac2b..3c23a09 100644
--- a/aCis/java/net/sf/l2j/gameserver/GameServer.java
+++ b/aCis/java/net/sf/l2j/gameserver/GameServer.java
@@ -60,6 +60,7 @@
 import net.sf.l2j.gameserver.data.xml.AugmentationData;
 import net.sf.l2j.gameserver.data.xml.DoorData;
 import net.sf.l2j.gameserver.data.xml.DressMeData;
+import net.sf.l2j.gameserver.data.xml.DropTypeData;
 import net.sf.l2j.gameserver.data.xml.FishData;
 import net.sf.l2j.gameserver.data.xml.HennaData;
 import net.sf.l2j.gameserver.data.xml.HerbDropData;
@@ -238,6 +239,7 @@
 		
 		StringUtil.printSection("NPCs");
 		BufferManager.getInstance();
+		DropTypeData.getInstance();
 		HerbDropData.getInstance();
 		NpcData.getInstance();
 		WalkerRouteData.getInstance();
diff --git a/aCis/java/net/sf/l2j/gameserver/data/xml/DropTypeData.java b/aCis/java/net/sf/l2j/gameserver/data/xml/DropTypeData.java
new file mode 100644
index 0000000..2a6b225
--- /dev/null
+++ b/aCis/java/net/sf/l2j/gameserver/data/xml/DropTypeData.java
@@ -0,0 +1,84 @@
+package net.sf.l2j.gameserver.data.xml;
+
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.List;
+
+import net.sf.l2j.commons.data.xml.IXmlReader;
+
+import net.sf.l2j.gameserver.model.actor.template.NpcTemplate;
+import net.sf.l2j.gameserver.model.item.DropCategory;
+import net.sf.l2j.gameserver.model.item.DropType;
+
+import org.w3c.dom.Document;
+
+/**
+ * @author Williams
+ *
+ */
+public class DropTypeData implements IXmlReader
+{
+	private final List<DropType> _data = new ArrayList<>();
+	
+	public DropTypeData()
+	{
+		load();
+	}
+	
+	@Override
+	public void load()
+	{
+		parseFile("./data/xml/dropType.xml");
+		LOGGER.info("Loaded {} drop data.", _data.size());
+	}
+	
+	@Override
+	public void parseDocument(Document doc, Path path)
+	{
+		forEach(doc, "list", listNode -> 
+		{
+			forEach(listNode, "drops", dropNode ->
+			{
+				final DropType data = new DropType(parseAttributes(dropNode));
+				final DropCategory category = new DropCategory(data.getItemId());
+				
+				if (ItemData.getInstance().getTemplate(data.getItemId()) == null)
+				{
+					LOGGER.warn("Droplist data for undefined itemId: {}.", data.getItemId());
+					return;
+				}
+				
+				category.addDropData(data, false);
+				
+				for (NpcTemplate template : NpcData.getInstance().getAllNpcs())
+				{
+					if (data.getType().equalsIgnoreCase(template.getType()) || data.getNpcId() == template.getNpcId())
+						template.addDropCategory(category);
+				}
+				
+				_data.add(data);
+			});
+		});
+	}
+	
+	public void reload()
+	{
+		_data.clear();
+		load();
+	}
+	
+	public List<DropType> getDrops()
+	{
+		return _data;
+	}
+	
+	public static DropTypeData getInstance()
+	{
+		return SingletonHolder.INSTANCE;
+	}
+	
+	private static class SingletonHolder
+	{
+		protected static final DropTypeData INSTANCE = new DropTypeData();
+	}
+}
\ No newline at end of file
diff --git a/aCis/java/net/sf/l2j/gameserver/handler/admincommandhandlers/AdminReload.java b/aCis/java/net/sf/l2j/gameserver/handler/admincommandhandlers/AdminReload.java
index f322922..2dc7f5c 100644
--- a/aCis/java/net/sf/l2j/gameserver/handler/admincommandhandlers/AdminReload.java
+++ b/aCis/java/net/sf/l2j/gameserver/handler/admincommandhandlers/AdminReload.java
@@ -13,6 +13,7 @@
 import net.sf.l2j.gameserver.data.xml.AnnouncementData;
 import net.sf.l2j.gameserver.data.xml.DoorData;
 import net.sf.l2j.gameserver.data.xml.DressMeData;
+import net.sf.l2j.gameserver.data.xml.DropTypeData;
 import net.sf.l2j.gameserver.data.xml.EnchantData;
 import net.sf.l2j.gameserver.data.xml.InstantTeleportData;
 import net.sf.l2j.gameserver.data.xml.ItemData;
@@ -74,6 +75,11 @@
 					CursedWeaponManager.getInstance().reload();
 					player.sendMessage("Cursed weapons have been reloaded.");
 				}
+				else if (type.startsWith("drop"))
+				{
+					DropTypeData.getInstance().reload();
+					player.sendMessage("Drop have been reloaded.");
+				}
 				else if (type.startsWith("door"))
 				{
 					DoorData.getInstance().reload();
@@ -160,7 +166,7 @@
 	public void sendUsage(Player player)
 	{
 		player.sendMessage("Usage : //reload <admin|announcement|buylist|config>");
-		player.sendMessage("Usage : //reload <crest|cw|door|dress|enchant|htm|item|multisell|npc>");
+		player.sendMessage("Usage : //reload <crest|cw|drop|door|dress|enchant|htm|item|multisell|npc>");
 		player.sendMessage("Usage : //reload <npcwalker|poly|script|skill|spree|teleport|zone>");
 	}
 	
diff --git a/aCis/java/net/sf/l2j/gameserver/model/actor/template/NpcTemplate.java b/aCis/java/net/sf/l2j/gameserver/model/actor/template/NpcTemplate.java
index 2bf8cca..0944739 100644
--- a/aCis/java/net/sf/l2j/gameserver/model/actor/template/NpcTemplate.java
+++ b/aCis/java/net/sf/l2j/gameserver/model/actor/template/NpcTemplate.java
@@ -340,7 +340,38 @@
 		}
 		return list;
 	}
+
+	public final void addDropCategory(DropCategory category)
+	{
+		synchronized (_categories)
+		{
+			if (_categories.isEmpty())
+				_categories = new ArrayList<>(); // empty means _categories is instance of Collections.emptyList(); - cannot add items to this container
+			else
+			{
+				// category already exists, return
+				for (DropCategory cat : _categories)
+				{
+					if (cat.getCategoryType() == category.getCategoryType())
+						return;
+				}
+			}
+			
+			_categories.add(category);
+		}
+	}
 	
+	public final void removeDropCategory(DropCategory category)
+	{
+		synchronized (_categories)
+		{
+			if (_categories.isEmpty())
+				return;
+			
+			_categories.remove(category);
+		}
+	}
+
 	/**
 	 * @return the {@link List} of all possible {@link DropData}s of this {@link NpcTemplate} linked to SPOIL behavior.
 	 */
@@ -354,36 +385,7 @@
 		}
 		return list;
 	}
-	
-	/**
-	 * Add a {@link DropData} to a given category. If the category does not exist, create it.
-	 * @param drop : The DropData to add.
-	 * @param categoryType : The category type we refer.
-	 */
-	public void addDropData(DropData drop, int categoryType)
-	{
-		final boolean isBossType = isType("RaidBoss") || isType("GrandBoss");
-		
-		synchronized (_categories)
-		{
-			// Category exists, stores the drop and return.
-			for (DropCategory cat : _categories)
-			{
-				if (cat.getCategoryType() == categoryType)
-				{
-					cat.addDropData(drop, isBossType);
-					return;
-				}
-			}
-			
-			// Category doesn't exist, create and store it.
-			final DropCategory cat = new DropCategory(categoryType);
-			cat.addDropData(drop, isBossType);
-			
-			_categories.add(cat);
-		}
-	}
-	
+
 	/**
 	 * @return the {@link List} of all {@link MinionData}.
 	 */
diff --git a/aCis/java/net/sf/l2j/gameserver/model/item/DropType.java b/aCis/java/net/sf/l2j/gameserver/model/item/DropType.java
new file mode 100644
index 0000000..fa43cf8
--- /dev/null
+++ b/aCis/java/net/sf/l2j/gameserver/model/item/DropType.java
@@ -0,0 +1,31 @@
+package net.sf.l2j.gameserver.model.item;
+
+import net.sf.l2j.commons.data.StatSet;
+
+/**
+ * @author Williams
+ *
+ */
+public class DropType extends DropData
+{
+	private final String _type;
+	private final int _npcId;
+	
+	public DropType(StatSet set)
+	{
+		super(set.getInteger("itemId"), set.getInteger("minDrop"), set.getInteger("maxDrop"), set.getInteger("chance"));
+	
+		_npcId = set.getInteger("npcId", 0);
+		_type = set.getString("type", "");
+	}
+
+	public int getNpcId()
+	{
+		return _npcId;
+	}
+	
+	public String getType()
+	{
+		return _type;	
+	}
+}
\ No newline at end of file