diff --git a/leenkx/Sources/leenkx/logicnode/SetLightShadowNode.hx b/leenkx/Sources/leenkx/logicnode/SetLightShadowNode.hx
new file mode 100644
index 0000000..d8bfdf7
--- /dev/null
+++ b/leenkx/Sources/leenkx/logicnode/SetLightShadowNode.hx
@@ -0,0 +1,21 @@
+package leenkx.logicnode;
+
+import iron.object.LightObject;
+
+class SetLightShadowNode extends LogicNode {
+
+	public function new(tree: LogicTree) {
+		super(tree);
+	}
+
+	override function run(from: Int) {
+		var light: LightObject = inputs[1].get();
+		var shadow: Bool = inputs[2].get();
+
+		if (light == null) return;
+
+		light.data.raw.cast_shadow = shadow;
+
+		runOutput(0);
+	}
+}
\ No newline at end of file
diff --git a/leenkx/Sources/leenkx/trait/internal/DebugConsole.hx b/leenkx/Sources/leenkx/trait/internal/DebugConsole.hx
index 49a7e1f..cb66d1d 100644
--- a/leenkx/Sources/leenkx/trait/internal/DebugConsole.hx
+++ b/leenkx/Sources/leenkx/trait/internal/DebugConsole.hx
@@ -280,7 +280,11 @@ class DebugConsole extends Trait {
 
 					function drawObjectNameInList(object: iron.object.Object, selected: Bool) {
 						var _y = ui._y;
-						ui.text(object.uid+'_'+object.name);
+
+						if (object.parent.name == 'Root')
+							ui.text(object.uid+'_'+object.name+' ('+iron.Scene.active.raw.world_ref+')');
+						else
+							ui.text(object.uid+'_'+object.name);
 
 						if (object == iron.Scene.active.camera) {
 							var tagWidth = 100;
diff --git a/leenkx/blender/lnx/exporter.py b/leenkx/blender/lnx/exporter.py
index 2351fb5..5be20d2 100644
--- a/leenkx/blender/lnx/exporter.py
+++ b/leenkx/blender/lnx/exporter.py
@@ -543,11 +543,13 @@ class LeenkxExporter:
         if psys.settings.instance_object is None or psys.settings.render_type != 'OBJECT' or not psys.settings.instance_object.lnx_export:
             return
            
-        for mod in bpy.data.objects[out_object['name']].modifiers:
-            if mod.type == 'PARTICLE_SYSTEM':
-                if mod.particle_system.name == psys.name:
-                    if not mod.show_render:
-                        return
+        for obj in bpy.data.objects:
+            if obj.name == out_object['name']:
+                for mod in obj.modifiers:
+                    if mod.type == 'PARTICLE_SYSTEM':
+                        if mod.particle_system.name == psys.name:
+                            if not mod.show_render:
+                                return
 
         self.particle_system_array[psys.settings] = {"structName": psys.settings.name}
         pref = {
@@ -636,7 +638,10 @@ class LeenkxExporter:
                 continue
 
             for slot in bobject.material_slots:
-                if slot.material is None or slot.material.library is not None:
+                if slot.material is None:
+                    continue
+                if slot.material.library is not None:
+                    slot.material.lnx_particle_flag = True
                     continue
                 if slot.material.name.endswith(variant_suffix):
                     continue
diff --git a/leenkx/blender/lnx/logicnode/light/LN_set_light_shadow.py b/leenkx/blender/lnx/logicnode/light/LN_set_light_shadow.py
new file mode 100644
index 0000000..fc93d28
--- /dev/null
+++ b/leenkx/blender/lnx/logicnode/light/LN_set_light_shadow.py
@@ -0,0 +1,14 @@
+from lnx.logicnode.lnx_nodes import *
+
+class SetLightShadowNode(LnxLogicTreeNode):
+    """Sets the shadow boolean of the given light."""
+    bl_idname = 'LNSetLightShadowNode'
+    bl_label = 'Set Light Shadow'
+    lnx_version = 1
+
+    def lnx_init(self, context):
+        self.add_input('LnxNodeSocketAction', 'In')
+        self.add_input('LnxNodeSocketObject', 'Light')
+        self.add_input('LnxBoolSocket', 'Shadow')
+
+        self.add_output('LnxNodeSocketAction', 'Out')
\ No newline at end of file