diff --git a/src/main/java/com/reider745/api/CustomManager.java b/src/main/java/com/reider745/api/CustomManager.java
index e5b50ae6..665025c3 100644
--- a/src/main/java/com/reider745/api/CustomManager.java
+++ b/src/main/java/com/reider745/api/CustomManager.java
@@ -32,6 +32,14 @@ public class CustomManager {
         parameters.put(key, value);
     }
 
+    public boolean containsKey(String key) {
+        return parameters.containsKey(key);
+    }
+
+    public void remove(String key) {
+        parameters.remove(key);
+    }
+
     private static HashMap<Integer, CustomManager> storage = new HashMap<>();
 
     public static CustomManager getFor(int id){
diff --git a/src/main/java/com/reider745/event/EventListener.java b/src/main/java/com/reider745/event/EventListener.java
index 0199314c..7b7794cd 100644
--- a/src/main/java/com/reider745/event/EventListener.java
+++ b/src/main/java/com/reider745/event/EventListener.java
@@ -401,6 +401,22 @@ public class EventListener implements Listener {
         }));
     }
 
+    @EventHandler(priority = EventPriority.HIGHEST)
+    public void onItemSpawn(ItemSpawnEvent event) {
+        EntityItem itemEntity = event.getEntity();
+        Item nukkitItem = itemEntity.getItem();
+
+        if (nukkitItem != null) {
+            EntryItem item = NukkitIdConvertor.getInnerCoreForNukkit(nukkitItem.getId(), nukkitItem.getDamage());
+            CustomManager manager = CustomManager.getFor(item.id);
+            if (manager != null && manager.containsKey("fire_resistant")) {
+                boolean fireproof = manager.get("fire_resistant", false);
+                itemEntity.fireProof = fireproof;
+                ReflectHelper.setField(itemEntity, "floatsInLava", fireproof);
+            }
+        }
+    }
+
     // TODO: onPathNavigationDone
 
     // TODO: onBlockSpawnResources
diff --git a/src/main/java/com/reider745/item/ItemMethod.java b/src/main/java/com/reider745/item/ItemMethod.java
index b2929b24..aeee419b 100644
--- a/src/main/java/com/reider745/item/ItemMethod.java
+++ b/src/main/java/com/reider745/item/ItemMethod.java
@@ -29,6 +29,7 @@ public class ItemMethod {
         public static final String ARMOR_DAMAGEABLE = "armor_damageable";
         public static final String REPAIRS = "repairs";
         public static final String CREATIVE_CATEGORY = "creative_category";
+        public static final String FIRE_RESISTANT = "fire_resistant";
 
         public static class Armors {
             public static final String SLOT = "slot";
diff --git a/src/main/java/com/zhekasmirnov/innercore/api/NativeItem.java b/src/main/java/com/zhekasmirnov/innercore/api/NativeItem.java
index ae3e6a25..8f8113fc 100644
--- a/src/main/java/com/zhekasmirnov/innercore/api/NativeItem.java
+++ b/src/main/java/com/zhekasmirnov/innercore/api/NativeItem.java
@@ -128,6 +128,14 @@ public class NativeItem {
         ItemMethod.setArmorDamageable(itemManager, value);
     }
 
+    public void setFireResistant(boolean resist) {
+        if (resist || (id >= Item.NETHERITE_INGOT && id <= Item.NETHERITE_SCRAP)) {
+            itemManager.put(PropertiesNames.FIRE_RESISTANT, resist);
+        } else {
+            itemManager.remove(PropertiesNames.FIRE_RESISTANT);
+        }
+    }
+
     @JSStaticFunction
     public static NativeItem getItemById(int id) {
         if (id < 0 || id >= MAX_ITEM_ID) {
@@ -287,8 +295,6 @@ public class NativeItem {
 
     public static void addToCreativeInternal(int id, int count, int data, long extra) {
         CustomItem.addCreative(id, count, data, extra);
-
-        // TODO: Item.addCreativeItem(Item.get(id, data, count));
     }
 
     @JSStaticFunction
diff --git a/src/main/resources/innercore/coreengine/core-engine.dev.js b/src/main/resources/innercore/coreengine/core-engine.dev.js
index f973a6e0..e2435900 100755
--- a/src/main/resources/innercore/coreengine/core-engine.dev.js
+++ b/src/main/resources/innercore/coreengine/core-engine.dev.js
@@ -2399,6 +2399,9 @@ var ItemRegistry = {
     setMaxUseDuration: function(id, duration) {
         this.getItemById(id).setMaxUseDuration(duration);
     },
+    setFireResistant: function(id, resist) {
+        this.getItemById(id).setFireResistant(resist);
+    },
     registerUseFunctionForID: function(numericID, useFunc) {
         this.useFunctions[numericID] = useFunc;
         return true;