diff --git a/src/framework/luaengine/luaobject.h b/src/framework/luaengine/luaobject.h
index e7722dad..dd694148 100644
--- a/src/framework/luaengine/luaobject.h
+++ b/src/framework/luaengine/luaobject.h
@@ -82,6 +82,8 @@ public:
 
     LuaObjectPtr asLuaObject() { return shared_from_this(); }
 
+    void operator=(const LuaObject& other) { }
+
 private:
     int m_fieldsTableRef;
     int m_metatableRef;
diff --git a/src/framework/ui/uiwidget.cpp b/src/framework/ui/uiwidget.cpp
index 3f98cefa..0a7165a1 100644
--- a/src/framework/ui/uiwidget.cpp
+++ b/src/framework/ui/uiwidget.cpp
@@ -815,10 +815,12 @@ void UIWidget::setLayout(const UILayoutPtr& layout)
 
 bool UIWidget::setRect(const Rect& rect)
 {
+    /*
     if(rect.width() > 8192 || rect.height() > 8192) {
         g_logger.error(stdext::format("attempt to set huge rect size (%s) for %s", stdext::to_string(rect), m_id));
         return false;
     }
+    */
     // only update if the rect really changed
     Rect oldRect = m_rect;
     if(rect == oldRect)
diff --git a/src/otclient/item.cpp b/src/otclient/item.cpp
index 08cd4a26..c4e9de30 100644
--- a/src/otclient/item.cpp
+++ b/src/otclient/item.cpp
@@ -293,3 +293,10 @@ bool Item::isMoveable()
                          "Invalid dat type for item %d", m_id));
     return false;
 }
+
+ItemPtr Item::clone()
+{
+    ItemPtr item = ItemPtr(new Item);
+    *(item.get()) = *this;
+    return item;
+}
diff --git a/src/otclient/item.h b/src/otclient/item.h
index 0f22bd82..c68a879c 100644
--- a/src/otclient/item.h
+++ b/src/otclient/item.h
@@ -96,6 +96,7 @@ public:
     uint8 getDoorId() { return m_doorId; }
     bool isValid();
 
+    ItemPtr clone();
     ItemPtr asItem() { return std::static_pointer_cast<Item>(shared_from_this()); }
     bool isItem() { return true; }
 
diff --git a/src/otclient/luafunctions.cpp b/src/otclient/luafunctions.cpp
index 5da82d68..5de2158a 100644
--- a/src/otclient/luafunctions.cpp
+++ b/src/otclient/luafunctions.cpp
@@ -315,6 +315,7 @@ void OTClient::registerLuaFunctions()
 
     g_lua.registerClass<Item, Thing>();
     g_lua.bindClassStaticFunction<Item>("create", &Item::create);
+    g_lua.bindClassMemberFunction<Item>("clone", &Item::clone);
     g_lua.bindClassMemberFunction<Item>("setCount", &Item::setCount);
     g_lua.bindClassMemberFunction<Item>("getCount", &Item::getCount);
     g_lua.bindClassMemberFunction<Item>("getId", &Item::getId);
diff --git a/src/otclient/map.cpp b/src/otclient/map.cpp
index 2a9d7b32..49af4a55 100644
--- a/src/otclient/map.cpp
+++ b/src/otclient/map.cpp
@@ -218,7 +218,7 @@ void Map::loadOtbm(const std::string& fileName)
                         } else if(item->isDoor())
                             house->addDoor(item->getDoorId(), pos);
                     } else if(tile)
-                        addThing(item, pos, 255);
+                        addThing(item, pos);
                     else if(item->isGround())
                         ground = item;
                     else
@@ -438,7 +438,7 @@ bool Map::loadOtcm(const std::string& fileName)
                     item->setCountOrSubType(countOrSubType);
 
                 if(item->isValid())
-                    addThing(item, pos, 255);
+                    addThing(item, pos);
             }
         }
 
@@ -632,7 +632,7 @@ bool Map::removeThing(const ThingPtr& thing)
             m_staticTexts.erase(it);
             return true;
         }
-    } else if(TilePtr tile = thing->getTile())
+    } else if(const TilePtr& tile = thing->getTile())
         return tile->removeThing(thing);
 
     return false;
@@ -651,7 +651,7 @@ TilePtr Map::createTileEx(const Position& pos, const Items&... items)
     TilePtr tile = getOrCreateTile(pos);
     auto vec = {items...};
     for (auto it : vec)
-        addThing(it, pos, 255);
+        addThing(it, pos);
 
     return tile;
 }
diff --git a/src/otclient/protocolgameparse.cpp b/src/otclient/protocolgameparse.cpp
index 92fe2a08..5d8219ae 100644
--- a/src/otclient/protocolgameparse.cpp
+++ b/src/otclient/protocolgameparse.cpp
@@ -512,7 +512,7 @@ void ProtocolGame::parseCreatureMove(const InputMessagePtr& msg)
     if(!g_map.removeThing(thing))
         g_logger.traceError("could not remove thing");
 
-    g_map.addThing(thing, newPos);
+    g_map.addThing(thing, newPos, -1);
 }
 
 void ProtocolGame::parseOpenContainer(const InputMessagePtr& msg)
@@ -1307,7 +1307,7 @@ void ProtocolGame::setTileDescription(const InputMessagePtr& msg, Position posit
                 g_logger.traceError(stdext::format("too many things, stackpos=%d, pos=%s", stackPos, stdext::to_string(position)));
 
             ThingPtr thing = getThing(msg);
-            g_map.addThing(thing, position, -1);
+            g_map.addThing(thing, position, -2);
         }
         stackPos++;
     }
diff --git a/src/otclient/tile.cpp b/src/otclient/tile.cpp
index 85aa0871..7c58beff 100644
--- a/src/otclient/tile.cpp
+++ b/src/otclient/tile.cpp
@@ -163,16 +163,17 @@ ThingPtr Tile::addThing(const ThingPtr& thing, int stackPos)
         return nullptr;
     }
 
+    // the items stackpos follows this order:
+    // 0 - ground
+    // 1 - ground borders
+    // 2 - bottom (walls)
+    // 3 - on top (doors)
+    // 4 - creatures, from top to bottom
+    // 5 - items, from top to bottom
     if(stackPos < 0) {
-        // the items stackpos follows this order:
-        // 0 - ground
-        // 1 - ground borders
-        // 2 - bottom (walls)
-        // 3 - on top (doors)
-        // 4 - creatures, from top to bottom
-        // 5 - items, from top to bottom
         stackPos = 0;
         int priority = thing->getStackPriority();
+        bool prepend = (stackPos == -2 || priority <= 3);
         for(stackPos = 0; stackPos < (int)m_things.size(); ++stackPos) {
             int otherPriority = m_things[stackPos]->getStackPriority();
             if(!g_game.getFeature(Otc::GameReverseCreatureStack)) {
@@ -180,7 +181,7 @@ ThingPtr Tile::addThing(const ThingPtr& thing, int stackPos)
                 if(priority == 4 && otherPriority == 4)
                     break;
             }
-            if(otherPriority > priority)
+            if((prepend && otherPriority > priority) || (!prepend && otherPriority >= priority))
                 break;
         }
     } else if(stackPos > (int)m_things.size())
@@ -233,6 +234,14 @@ ThingPtr Tile::getThing(int stackPos)
     return nullptr;
 }
 
+EffectPtr Tile::getEffect(uint16 id)
+{
+    for(const EffectPtr& effect : m_effects)
+        if(effect->getId() == id)
+            return effect;
+    return nullptr;
+}
+
 bool Tile::hasThing(const ThingPtr& thing)
 {
     return std::find(m_things.begin(), m_things.end(), thing) != m_things.end();
@@ -246,11 +255,14 @@ int Tile::getThingStackpos(const ThingPtr& thing)
     return -1;
 }
 
-ThingPtr Tile::getTopThing()
+ThingPtr Tile:: getTopThing()
 {
     if(isEmpty())
         return nullptr;
-
+    for(const ThingPtr& thing : m_things) {
+        if(!thing->isGround() && !thing->isGroundBorder() && !thing->isOnBottom() && !thing->isOnTop() && !thing->isCreature())
+            return thing;
+    }
     return m_things[m_things.size() - 1];
 }
 
diff --git a/src/otclient/tile.h b/src/otclient/tile.h
index c3936234..a2bc9d46 100644
--- a/src/otclient/tile.h
+++ b/src/otclient/tile.h
@@ -66,6 +66,7 @@ public:
     ThingPtr addThing(const ThingPtr& thing, int stackPos = -1);
     bool removeThing(ThingPtr thing);
     ThingPtr getThing(int stackPos);
+    EffectPtr getEffect(uint16 id);
     bool hasThing(const ThingPtr& thing);
     int getThingStackpos(const ThingPtr& thing);
     ThingPtr getTopThing();