diff --git a/rollnw-py/wrapper_objects.cpp b/rollnw-py/wrapper_objects.cpp
index 97cdf11f0..27e2aee71 100644
--- a/rollnw-py/wrapper_objects.cpp
+++ b/rollnw-py/wrapper_objects.cpp
@@ -47,7 +47,7 @@ nlohmann::json to_json_helper_player(const nw::Player* self)
 template <typename T>
 T* create_object_from_json_helper(const nlohmann::json& j)
 {
-    auto obj = new T;
+    auto obj = nw::kernel::objects().make<T>();
     if constexpr (!std::is_same_v<T, nw::Player>) {
         T::deserialize(obj, j, nw::SerializationProfile::blueprint);
     } else {
@@ -239,8 +239,8 @@ void init_objects_creature(py::module& nw)
     py::class_<nw::Creature, nw::ObjectBase>(nw, "Creature")
         .def(py::init<>())
 
-        .def_static("from_dict", &create_object_from_json_helper<nw::Creature>)
-        .def_static("from_file", &create_object_from_file_helper<nw::Creature>, py::return_value_policy::reference_internal)
+        .def_static("from_dict", &create_object_from_json_helper<nw::Creature>, py::return_value_policy::reference)
+        .def_static("from_file", &create_object_from_file_helper<nw::Creature>, py::return_value_policy::reference)
 
         .def("to_dict", &to_json_helper<nw::Creature>)
         .def("handle", &nw::Creature::handle)
@@ -324,8 +324,8 @@ void init_objects_door(py::module& nw)
         .def_readonly_static("json_archive_version", &nw::Door::json_archive_version)
         .def_readonly_static("object_type", &nw::Door::object_type)
 
-        .def_static("from_dict", &create_object_from_json_helper<nw::Door>)
-        .def_static("from_file", &create_object_from_file_helper<nw::Door>, py::return_value_policy::reference_internal)
+        .def_static("from_dict", &create_object_from_json_helper<nw::Door>, py::return_value_policy::reference)
+        .def_static("from_file", &create_object_from_file_helper<nw::Door>, py::return_value_policy::reference)
 
         .def_readwrite("common", &nw::Door::common)
         .def_readwrite("conversation", &nw::Door::conversation)
@@ -378,8 +378,8 @@ void init_objects_encounter(py::module& nw)
         .def_readonly_static("json_archive_version", &nw::Encounter::json_archive_version)
         .def_readonly_static("object_type", &nw::Encounter::object_type)
 
-        .def_static("from_dict", &create_object_from_json_helper<nw::Encounter>)
-        .def_static("from_file", &create_object_from_file_helper<nw::Encounter>, py::return_value_policy::reference_internal)
+        .def_static("from_dict", &create_object_from_json_helper<nw::Encounter>, py::return_value_policy::reference)
+        .def_static("from_file", &create_object_from_file_helper<nw::Encounter>, py::return_value_policy::reference)
 
         .def_readwrite("common", &nw::Encounter::common)
         .def_readwrite("creatures", &nw::Encounter::creatures)
@@ -460,8 +460,8 @@ void init_objects_item(py::module& nw)
         .def_readonly_static("json_archive_version", &nw::Item::json_archive_version)
         .def_readonly_static("object_type", &nw::Item::object_type)
 
-        .def_static("from_dict", &create_object_from_json_helper<nw::Item>)
-        .def_static("from_file", &create_object_from_file_helper<nw::Item>, py::return_value_policy::reference_internal)
+        .def_static("from_dict", &create_object_from_json_helper<nw::Item>, py::return_value_policy::reference)
+        .def_static("from_file", &create_object_from_file_helper<nw::Item>, py::return_value_policy::reference)
 
         .def_readwrite("common", &nw::Item::common)
 
@@ -594,8 +594,8 @@ void init_objects_placeable(py::module& nw)
         .def_readonly_static("json_archive_version", &nw::Placeable::json_archive_version)
         .def_readonly_static("object_type", &nw::Placeable::object_type)
 
-        .def_static("from_dict", &create_object_from_json_helper<nw::Placeable>)
-        .def_static("from_file", &create_object_from_file_helper<nw::Placeable>, py::return_value_policy::reference_internal)
+        .def_static("from_dict", &create_object_from_json_helper<nw::Placeable>, py::return_value_policy::reference)
+        .def_static("from_file", &create_object_from_file_helper<nw::Placeable>, py::return_value_policy::reference)
 
         .def_readwrite("common", &nw::Placeable::common)
         .def_readwrite("conversation", &nw::Placeable::conversation)
@@ -632,8 +632,8 @@ void init_objects_player(py::module& nw)
 
         .def("to_dict", &to_json_helper_player)
 
-        .def_static("from_dict", &create_object_from_json_helper<nw::Player>)
-        .def_static("from_file", &create_object_from_file_helper<nw::Player>, py::return_value_policy::reference_internal);
+        .def_static("from_dict", &create_object_from_json_helper<nw::Player>, py::return_value_policy::reference)
+        .def_static("from_file", &create_object_from_file_helper<nw::Player>, py::return_value_policy::reference);
 }
 
 void init_objects_sound(py::module& nw)
@@ -646,8 +646,8 @@ void init_objects_sound(py::module& nw)
         .def_readonly_static("json_archive_version", &nw::Sound::json_archive_version)
         .def_readonly_static("object_type", &nw::Sound::object_type)
 
-        .def_static("from_dict", &create_object_from_json_helper<nw::Sound>)
-        .def_static("from_file", &create_object_from_file_helper<nw::Sound>, py::return_value_policy::reference_internal)
+        .def_static("from_dict", &create_object_from_json_helper<nw::Sound>, py::return_value_policy::reference)
+        .def_static("from_file", &create_object_from_file_helper<nw::Sound>, py::return_value_policy::reference)
 
         .def_readwrite("common", &nw::Sound::common)
         .def_readwrite("sounds", &nw::Sound::sounds)
@@ -688,8 +688,8 @@ void init_objects_store(py::module& nw)
         .def_readonly_static("json_archive_version", &nw::Store::json_archive_version)
         .def_readonly_static("object_type", &nw::Store::object_type)
 
-        .def_static("from_dict", &create_object_from_json_helper<nw::Store>)
-        .def_static("from_file", &create_object_from_file_helper<nw::Store>, py::return_value_policy::reference_internal)
+        .def_static("from_dict", &create_object_from_json_helper<nw::Store>, py::return_value_policy::reference)
+        .def_static("from_file", &create_object_from_file_helper<nw::Store>, py::return_value_policy::reference)
 
         .def_readwrite("common", &nw::Store::common)
 
@@ -735,8 +735,8 @@ void init_object_trigger(pybind11::module& nw)
         .def_readonly_static("json_archive_version", &nw::Trigger::json_archive_version)
         .def_readonly_static("object_type", &nw::Trigger::object_type)
 
-        .def_static("from_dict", &create_object_from_json_helper<nw::Trigger>)
-        .def_static("from_file", &create_object_from_file_helper<nw::Trigger>, py::return_value_policy::reference_internal)
+        .def_static("from_dict", &create_object_from_json_helper<nw::Trigger>, py::return_value_policy::reference)
+        .def_static("from_file", &create_object_from_file_helper<nw::Trigger>, py::return_value_policy::reference)
 
         .def_readwrite("common", &nw::Trigger::common)
         .def_readwrite("geometry", &nw::Trigger::geometry)
@@ -763,8 +763,8 @@ void init_object_waypoint(pybind11::module& nw)
         .def_readonly_static("json_archive_version", &nw::Waypoint::json_archive_version)
         .def_readonly_static("object_type", &nw::Waypoint::object_type)
 
-        .def_static("from_dict", &create_object_from_json_helper<nw::Waypoint>)
-        .def_static("from_file", &create_object_from_file_helper<nw::Waypoint>, py::return_value_policy::reference_internal)
+        .def_static("from_dict", &create_object_from_json_helper<nw::Waypoint>, py::return_value_policy::reference)
+        .def_static("from_file", &create_object_from_file_helper<nw::Waypoint>, py::return_value_policy::reference)
 
         .def("to_dict", &to_json_helper<nw::Waypoint>)