diff --git a/src/main/java/com/reider745/InnerCoreServer.java b/src/main/java/com/reider745/InnerCoreServer.java
index 6695cce50..c4ef8d210 100644
--- a/src/main/java/com/reider745/InnerCoreServer.java
+++ b/src/main/java/com/reider745/InnerCoreServer.java
@@ -347,10 +347,14 @@ public void reload() {
     public void start() {
         try{
             for(File file : Objects.requireNonNull(new File(InnerCoreServer.dataPath, "behavior_packs").listFiles())) {
-                BehaviorPack pack = new BehaviorPack(file.getAbsolutePath());
-                pack.load();
+                try{
+                    BehaviorPack pack = new BehaviorPack(file.getAbsolutePath());
+                    pack.load();
+                }catch (Exception e) {
+                    Logger.error("Error loaded behavior pack " + file.getAbsolutePath());
+                }
             }
-        }catch (Exception e){}
+        }catch (Exception ignore){}
     }
 
     public static Object getProperty(String variable) {
diff --git a/src/main/java/com/reider745/behavior/BehaviorContent.java b/src/main/java/com/reider745/behavior/BehaviorContent.java
index 4353ee3d4..ea9744a85 100644
--- a/src/main/java/com/reider745/behavior/BehaviorContent.java
+++ b/src/main/java/com/reider745/behavior/BehaviorContent.java
@@ -5,5 +5,5 @@
 public abstract class BehaviorContent {
     public abstract String getTagName();
     public abstract String getDefaultDirectory();
-    public abstract void load(JSONObject json);
+    public abstract void load(JSONObject json, String file);
 }
diff --git a/src/main/java/com/reider745/behavior/BehaviorPack.java b/src/main/java/com/reider745/behavior/BehaviorPack.java
index 84ac7f497..9c33d0245 100644
--- a/src/main/java/com/reider745/behavior/BehaviorPack.java
+++ b/src/main/java/com/reider745/behavior/BehaviorPack.java
@@ -1,7 +1,7 @@
 package com.reider745.behavior;
 
-import com.reider745.InnerCoreServer;
 import com.reider745.behavior.entities.EntitiesContent;
+import com.reider745.behavior.spawnrules.SpawnRulesContent;
 import com.zhekasmirnov.horizon.runtime.logger.Logger;
 import com.zhekasmirnov.horizon.util.FileUtils;
 import org.json.JSONArray;
@@ -16,6 +16,7 @@ public class BehaviorPack {
 
     static {
         contents_api.add(new EntitiesContent());
+        contents_api.add(new SpawnRulesContent());
     }
 
     private final String path;
@@ -103,12 +104,12 @@ public void loadFileContext(String path){
 
             for(BehaviorContent content : contents_api){
                 if(contents.has(content.getTagName())){
-                    content.load(contents);
+                    content.load(contents, path);
                     return;
                 }
             }
 
-            throw new RuntimeException("Not support "+path);
+            Logger.warning("Not support content: "+path);
         } catch (Exception e) {
             Logger.warning(path);
             throw new RuntimeException(e);
diff --git a/src/main/java/com/reider745/behavior/entities/CustomEntity.java b/src/main/java/com/reider745/behavior/entities/CustomEntity.java
index 9842cf897..6de4a6adf 100644
--- a/src/main/java/com/reider745/behavior/entities/CustomEntity.java
+++ b/src/main/java/com/reider745/behavior/entities/CustomEntity.java
@@ -119,6 +119,10 @@ public Vector3 updateMove(int tickDiff) {
             final double gravity_value = this.getGravity() * 4;
             final Vector3 pos = this.getPosition().clone();
 
+            motionX += factory.liftForce.x / 20;
+            motionY += factory.liftForce.y / 20;
+            motionZ += factory.liftForce.z / 20;
+
             if(factory.isPhysics && isSolid(pos.x, pos.y - 0.001,pos.z) == null) {
                 this.motionY -= gravity_value;
             }
@@ -138,12 +142,14 @@ public Vector3 updateMove(int tickDiff) {
                     motionX += move.x * factory.movement;
                     motionZ += move.z * factory.movement;
 
-                    if(this.getHeight() <= 1){
-                        if(raycast(pos, move) != null && raycast(pos.add(0, 1.2, 0), move) != null)
-                            targetPositionMovementUpdate();
-                    }else
-                        if(raycast(pos.add(0, 1.2, 0), move) != null)
-                            targetPositionMovementUpdate();
+                    if(factory.canClimb) {
+                        if(this.getHeight() <= 1){
+                            if(raycast(pos, move) != null && raycast(pos.add(0, 1.2, 0), move) != null)
+                                targetPositionMovementUpdate();
+                        }else
+                            if(raycast(pos.add(0, 1.2, 0), move) != null)
+                                targetPositionMovementUpdate();
+                    }
                 }
             }
 
@@ -158,7 +164,6 @@ public Vector3 updateMove(int tickDiff) {
                         tickJump = 0;
                     }
                 }else{
-
                     tickJump++;
 
                     final var xzLength = Math.sqrt(motionX * motionX + motionZ * motionZ);
diff --git a/src/main/java/com/reider745/behavior/entities/EntitiesContent.java b/src/main/java/com/reider745/behavior/entities/EntitiesContent.java
index 13f2d21d9..865fc7d38 100644
--- a/src/main/java/com/reider745/behavior/entities/EntitiesContent.java
+++ b/src/main/java/com/reider745/behavior/entities/EntitiesContent.java
@@ -31,11 +31,11 @@ public String getDefaultDirectory() {
     }
 
     @Override
-    public void load(JSONObject json) {
+    public void load(JSONObject json, String file) {
         final String version_name = json.getString("format_version");
         final EntitiesVersion version = versions.get(version_name);
         if(version == null)
-            throw new RuntimeException("not support version "+version_name);
+            throw new RuntimeException("Not support entities version "+version_name);
 
         version.load(json.getJSONObject(getTagName())).build();
     }
diff --git a/src/main/java/com/reider745/behavior/entities/EntityContentFactory.java b/src/main/java/com/reider745/behavior/entities/EntityContentFactory.java
index 052feb5e0..81bef64c2 100644
--- a/src/main/java/com/reider745/behavior/entities/EntityContentFactory.java
+++ b/src/main/java/com/reider745/behavior/entities/EntityContentFactory.java
@@ -1,22 +1,18 @@
 package com.reider745.behavior.entities;
 
-import cn.nukkit.entity.Entity;
 import cn.nukkit.entity.custom.EntityDefinition;
 import cn.nukkit.entity.custom.EntityManager;
-import cn.nukkit.level.Position;
+import cn.nukkit.math.Vector3;
 import com.reider745.behavior.entities.formats.tags.DescriptionsFactory;
 import com.reider745.behavior.entities.formats.tags.components.BossComponent;
-import com.reider745.behavior.entities.formats.tags.components.CollisionComponent;
-import com.reider745.behavior.entities.formats.tags.components.HealthComponent;
+import com.reider745.behavior.entities.formats.tags.components.collision.CollisionComponent;
+import com.reider745.behavior.entities.formats.tags.components.life.HealthComponent;
 import com.reider745.behavior.entities.formats.tags.components.IUpdateEntity;
 import com.reider745.behavior.entities.formats.tags.components.attack.MeleeAttackComponent;
 import com.reider745.behavior.entities.formats.tags.components.attack.NearestAttackableTarget;
-import com.reider745.behavior.entities.formats.tags.components.navigation.NavigationComponentsTag;
 import com.reider745.behavior.entities.formats.tags.components.navigation.NavigationRandomStroll;
 import com.reider745.behavior.entities.formats.tags.components.navigation.NavigationWalkComponent;
 import com.zhekasmirnov.horizon.runtime.logger.Logger;
-import org.json.JSONArray;
-import org.json.JSONObject;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -44,11 +40,13 @@ public class EntityContentFactory {
     public boolean isHurtByTarget = false;
     public boolean isNameable = false;
     public boolean isPushable = false;
+    public boolean canClimb = false;
 
     public float movement = .5f;
     public int damage = 0;
 
     public static final HashMap<String, EntityContentFactory> factoryMap = new HashMap<>();
+    public Vector3 liftForce = new Vector3(0, 0, 0);
 
 
     public void addUpdate(IUpdateEntity tag){
@@ -72,7 +70,7 @@ public EntityDefinition getEntityDefinition() {
     }
 
     public void build(){
-        Logger.warning("Register entity "+description.identifier);
+        Logger.info("Register entity "+description.identifier);
 
         factoryMap.put(description.identifier, this);
         EntityManager.get()
diff --git a/src/main/java/com/reider745/behavior/entities/formats/EntitiesVersion18.java b/src/main/java/com/reider745/behavior/entities/formats/EntitiesVersion18.java
index 002a0e8f4..4100d957d 100644
--- a/src/main/java/com/reider745/behavior/entities/formats/EntitiesVersion18.java
+++ b/src/main/java/com/reider745/behavior/entities/formats/EntitiesVersion18.java
@@ -5,7 +5,6 @@
 import com.reider745.behavior.entities.TagContentFactory;
 import com.reider745.behavior.entities.formats.tags.ComponentsFactory;
 import com.reider745.behavior.entities.formats.tags.DescriptionsFactory;
-import com.reider745.behavior.entities.formats.tags.components.HealthComponent;
 import org.json.JSONObject;
 
 import java.util.ArrayList;
diff --git a/src/main/java/com/reider745/behavior/entities/formats/tags/ComponentsFactory.java b/src/main/java/com/reider745/behavior/entities/formats/tags/ComponentsFactory.java
index 993064cc5..e5eb1bd43 100644
--- a/src/main/java/com/reider745/behavior/entities/formats/tags/ComponentsFactory.java
+++ b/src/main/java/com/reider745/behavior/entities/formats/tags/ComponentsFactory.java
@@ -4,11 +4,18 @@
 import com.reider745.behavior.entities.EntityContentFactory;
 import com.reider745.behavior.entities.TagContentFactory;
 import com.reider745.behavior.entities.formats.tags.components.*;
+import com.reider745.behavior.entities.formats.tags.components.attack.AttackComponent;
 import com.reider745.behavior.entities.formats.tags.components.attack.HurtByTargetComponent;
 import com.reider745.behavior.entities.formats.tags.components.attack.MeleeAttackComponent;
 import com.reider745.behavior.entities.formats.tags.components.attack.NearestAttackableTarget;
-import com.reider745.behavior.entities.formats.tags.components.navigation.NavigationRandomStroll;
-import com.reider745.behavior.entities.formats.tags.components.navigation.NavigationWalkComponent;
+import com.reider745.behavior.entities.formats.tags.components.collision.BalloonComponent;
+import com.reider745.behavior.entities.formats.tags.components.collision.CollisionComponent;
+import com.reider745.behavior.entities.formats.tags.components.collision.GravityComponent;
+import com.reider745.behavior.entities.formats.tags.components.life.BreathableComponent;
+import com.reider745.behavior.entities.formats.tags.components.life.BurnsInDaylight;
+import com.reider745.behavior.entities.formats.tags.components.life.FireImmuneComponent;
+import com.reider745.behavior.entities.formats.tags.components.life.HealthComponent;
+import com.reider745.behavior.entities.formats.tags.components.navigation.*;
 import com.zhekasmirnov.horizon.runtime.logger.Logger;
 import org.json.JSONObject;
 
@@ -43,6 +50,9 @@ private static void add(ComponentsTag tag){
         add(new NearestAttackableTarget());
         add(new MeleeAttackComponent());
         add(new HurtByTargetComponent());
+        add(new BalloonComponent());
+        add(new BreathableComponent());
+        add(new CanClimbComponent());
     }
 
     @Override
@@ -57,7 +67,7 @@ public void loadJSON(EntityContentFactory entityFactory, JSONObject json) {
             final String key = it.next();
             final ComponentsTag tag = tags.get(key);
             if(tag == null){
-                Logger.warning("Not support ComponentsFactory "+key);
+                Logger.warning("Not support entities ComponentsFactory "+key);
                 continue;
             }
 
diff --git a/src/main/java/com/reider745/behavior/entities/formats/tags/components/AttackComponent.java b/src/main/java/com/reider745/behavior/entities/formats/tags/components/attack/AttackComponent.java
similarity index 89%
rename from src/main/java/com/reider745/behavior/entities/formats/tags/components/AttackComponent.java
rename to src/main/java/com/reider745/behavior/entities/formats/tags/components/attack/AttackComponent.java
index abce85262..f8d58569b 100644
--- a/src/main/java/com/reider745/behavior/entities/formats/tags/components/AttackComponent.java
+++ b/src/main/java/com/reider745/behavior/entities/formats/tags/components/attack/AttackComponent.java
@@ -1,4 +1,4 @@
-package com.reider745.behavior.entities.formats.tags.components;
+package com.reider745.behavior.entities.formats.tags.components.attack;
 
 import com.reider745.behavior.entities.ComponentsTag;
 import com.reider745.behavior.entities.EntityContentFactory;
diff --git a/src/main/java/com/reider745/behavior/entities/formats/tags/components/attack/ProjectileComponent.java b/src/main/java/com/reider745/behavior/entities/formats/tags/components/attack/ProjectileComponent.java
new file mode 100644
index 000000000..d61286f7c
--- /dev/null
+++ b/src/main/java/com/reider745/behavior/entities/formats/tags/components/attack/ProjectileComponent.java
@@ -0,0 +1,16 @@
+package com.reider745.behavior.entities.formats.tags.components.attack;
+
+import com.reider745.behavior.entities.ComponentsTag;
+import com.reider745.behavior.entities.EntityContentFactory;
+
+public class ProjectileComponent extends ComponentsTag {
+    @Override
+    public String getNameTag() {
+        return "minecraft:projectile";
+    }
+
+    @Override
+    public void load(EntityContentFactory factory, Object json) {
+        // TODO: BEHAVIOR
+    }
+}
diff --git a/src/main/java/com/reider745/behavior/entities/formats/tags/components/collision/BalloonComponent.java b/src/main/java/com/reider745/behavior/entities/formats/tags/components/collision/BalloonComponent.java
new file mode 100644
index 000000000..a79b6a3f8
--- /dev/null
+++ b/src/main/java/com/reider745/behavior/entities/formats/tags/components/collision/BalloonComponent.java
@@ -0,0 +1,24 @@
+package com.reider745.behavior.entities.formats.tags.components.collision;
+
+import cn.nukkit.math.Vector3;
+import com.reider745.behavior.entities.ComponentsTag;
+import com.reider745.behavior.entities.EntityContentFactory;
+import org.json.JSONArray;
+import org.json.JSONObject;
+
+public class BalloonComponent extends ComponentsTag {
+    @Override
+    public String getNameTag() {
+        return "minecraft:balloon";
+    }
+
+    @Override
+    public void load(EntityContentFactory factory, Object json) {
+        if(json instanceof JSONObject jsonObject) {
+            final JSONArray leftForce = jsonObject.getJSONArray("lift_force");
+            factory.liftForce = new Vector3(leftForce.getDouble(0), leftForce.getDouble(1), leftForce.getDouble(2));
+        } else
+            throw new RuntimeException("Error loaded entity");
+
+    }
+}
diff --git a/src/main/java/com/reider745/behavior/entities/formats/tags/components/CollisionComponent.java b/src/main/java/com/reider745/behavior/entities/formats/tags/components/collision/CollisionComponent.java
similarity index 91%
rename from src/main/java/com/reider745/behavior/entities/formats/tags/components/CollisionComponent.java
rename to src/main/java/com/reider745/behavior/entities/formats/tags/components/collision/CollisionComponent.java
index d96a58780..19f1817ce 100644
--- a/src/main/java/com/reider745/behavior/entities/formats/tags/components/CollisionComponent.java
+++ b/src/main/java/com/reider745/behavior/entities/formats/tags/components/collision/CollisionComponent.java
@@ -1,4 +1,4 @@
-package com.reider745.behavior.entities.formats.tags.components;
+package com.reider745.behavior.entities.formats.tags.components.collision;
 
 import com.reider745.behavior.entities.ComponentsTag;
 import com.reider745.behavior.entities.EntityContentFactory;
diff --git a/src/main/java/com/reider745/behavior/entities/formats/tags/components/GravityComponent.java b/src/main/java/com/reider745/behavior/entities/formats/tags/components/collision/GravityComponent.java
similarity index 83%
rename from src/main/java/com/reider745/behavior/entities/formats/tags/components/GravityComponent.java
rename to src/main/java/com/reider745/behavior/entities/formats/tags/components/collision/GravityComponent.java
index 57c443fb9..57b9bd972 100644
--- a/src/main/java/com/reider745/behavior/entities/formats/tags/components/GravityComponent.java
+++ b/src/main/java/com/reider745/behavior/entities/formats/tags/components/collision/GravityComponent.java
@@ -1,4 +1,4 @@
-package com.reider745.behavior.entities.formats.tags.components;
+package com.reider745.behavior.entities.formats.tags.components.collision;
 
 import com.reider745.behavior.entities.ComponentsTag;
 import com.reider745.behavior.entities.EntityContentFactory;
diff --git a/src/main/java/com/reider745/behavior/entities/formats/tags/components/life/BreathableComponent.java b/src/main/java/com/reider745/behavior/entities/formats/tags/components/life/BreathableComponent.java
new file mode 100644
index 000000000..3e6d01b31
--- /dev/null
+++ b/src/main/java/com/reider745/behavior/entities/formats/tags/components/life/BreathableComponent.java
@@ -0,0 +1,43 @@
+package com.reider745.behavior.entities.formats.tags.components.life;
+
+import com.reider745.behavior.entities.ComponentsTag;
+import com.reider745.behavior.entities.CustomEntity;
+import com.reider745.behavior.entities.EntityContentFactory;
+import com.reider745.behavior.entities.formats.tags.components.IUpdateEntity;
+import org.json.JSONObject;
+
+public class BreathableComponent extends ComponentsTag implements IUpdateEntity {
+    public int totalSupply, suffocateTime;
+    public double inhaleTime;
+    public boolean generatesBubbles;
+
+    @Override
+    public String getNameTag() {
+        return "minecraft:breathable";
+    }
+
+    @Override
+    public void load(EntityContentFactory factory, Object json) {
+        if(json instanceof JSONObject jsonObject) {
+            final BreathableComponent component = new BreathableComponent();
+
+            component.totalSupply = jsonObject.getInt("total_supply");
+            component.suffocateTime = jsonObject.optInt("suffocate_time", 0);
+            component.inhaleTime = jsonObject.optDouble("inhale_time", 2.0);
+            component.generatesBubbles = jsonObject.optBoolean("generates_bubbles", false);
+
+            factory.addUpdate(component);
+        } else
+            throw new RuntimeException("Not support");
+    }
+
+    @Override
+    public int getPriority() {
+        return IUpdateEntity.super.getPriority();
+    }
+
+    @Override
+    public void onUpdate(CustomEntity entity) {
+        // TODO: BEHAVIOR
+    }
+}
diff --git a/src/main/java/com/reider745/behavior/entities/formats/tags/components/BurnsInDaylight.java b/src/main/java/com/reider745/behavior/entities/formats/tags/components/life/BurnsInDaylight.java
similarity index 87%
rename from src/main/java/com/reider745/behavior/entities/formats/tags/components/BurnsInDaylight.java
rename to src/main/java/com/reider745/behavior/entities/formats/tags/components/life/BurnsInDaylight.java
index 5887de116..52d54da48 100644
--- a/src/main/java/com/reider745/behavior/entities/formats/tags/components/BurnsInDaylight.java
+++ b/src/main/java/com/reider745/behavior/entities/formats/tags/components/life/BurnsInDaylight.java
@@ -1,8 +1,9 @@
-package com.reider745.behavior.entities.formats.tags.components;
+package com.reider745.behavior.entities.formats.tags.components.life;
 
 import com.reider745.behavior.entities.ComponentsTag;
 import com.reider745.behavior.entities.CustomEntity;
 import com.reider745.behavior.entities.EntityContentFactory;
+import com.reider745.behavior.entities.formats.tags.components.IUpdateEntity;
 import com.zhekasmirnov.horizon.runtime.logger.Logger;
 import org.json.JSONObject;
 
diff --git a/src/main/java/com/reider745/behavior/entities/formats/tags/components/FireImmuneComponent.java b/src/main/java/com/reider745/behavior/entities/formats/tags/components/life/FireImmuneComponent.java
similarity index 91%
rename from src/main/java/com/reider745/behavior/entities/formats/tags/components/FireImmuneComponent.java
rename to src/main/java/com/reider745/behavior/entities/formats/tags/components/life/FireImmuneComponent.java
index 140e74892..9ac41bc13 100644
--- a/src/main/java/com/reider745/behavior/entities/formats/tags/components/FireImmuneComponent.java
+++ b/src/main/java/com/reider745/behavior/entities/formats/tags/components/life/FireImmuneComponent.java
@@ -1,4 +1,4 @@
-package com.reider745.behavior.entities.formats.tags.components;
+package com.reider745.behavior.entities.formats.tags.components.life;
 
 
 import com.reider745.behavior.entities.ComponentsTag;
diff --git a/src/main/java/com/reider745/behavior/entities/formats/tags/components/HealthComponent.java b/src/main/java/com/reider745/behavior/entities/formats/tags/components/life/HealthComponent.java
similarity index 92%
rename from src/main/java/com/reider745/behavior/entities/formats/tags/components/HealthComponent.java
rename to src/main/java/com/reider745/behavior/entities/formats/tags/components/life/HealthComponent.java
index 478422a0e..c80d51f34 100644
--- a/src/main/java/com/reider745/behavior/entities/formats/tags/components/HealthComponent.java
+++ b/src/main/java/com/reider745/behavior/entities/formats/tags/components/life/HealthComponent.java
@@ -1,4 +1,4 @@
-package com.reider745.behavior.entities.formats.tags.components;
+package com.reider745.behavior.entities.formats.tags.components.life;
 
 import com.reider745.behavior.entities.ComponentsTag;
 import com.reider745.behavior.entities.EntityContentFactory;
diff --git a/src/main/java/com/reider745/behavior/entities/formats/tags/components/navigation/CanClimbComponent.java b/src/main/java/com/reider745/behavior/entities/formats/tags/components/navigation/CanClimbComponent.java
new file mode 100644
index 000000000..40909cfd8
--- /dev/null
+++ b/src/main/java/com/reider745/behavior/entities/formats/tags/components/navigation/CanClimbComponent.java
@@ -0,0 +1,16 @@
+package com.reider745.behavior.entities.formats.tags.components.navigation;
+
+import com.reider745.behavior.entities.ComponentsTag;
+import com.reider745.behavior.entities.EntityContentFactory;
+
+public class CanClimbComponent extends ComponentsTag {
+    @Override
+    public String getNameTag() {
+        return "minecraft:can_climb";
+    }
+
+    @Override
+    public void load(EntityContentFactory factory, Object json) {
+        factory.canClimb = true;
+    }
+}
diff --git a/src/main/java/com/reider745/behavior/entities/formats/tags/components/JumpComponent.java b/src/main/java/com/reider745/behavior/entities/formats/tags/components/navigation/JumpComponent.java
similarity index 83%
rename from src/main/java/com/reider745/behavior/entities/formats/tags/components/JumpComponent.java
rename to src/main/java/com/reider745/behavior/entities/formats/tags/components/navigation/JumpComponent.java
index dadc2843b..86da08a77 100644
--- a/src/main/java/com/reider745/behavior/entities/formats/tags/components/JumpComponent.java
+++ b/src/main/java/com/reider745/behavior/entities/formats/tags/components/navigation/JumpComponent.java
@@ -1,4 +1,4 @@
-package com.reider745.behavior.entities.formats.tags.components;
+package com.reider745.behavior.entities.formats.tags.components.navigation;
 
 import com.reider745.behavior.entities.ComponentsTag;
 import com.reider745.behavior.entities.EntityContentFactory;
diff --git a/src/main/java/com/reider745/behavior/entities/formats/tags/components/MovementBasicComponent.java b/src/main/java/com/reider745/behavior/entities/formats/tags/components/navigation/MovementBasicComponent.java
similarity index 83%
rename from src/main/java/com/reider745/behavior/entities/formats/tags/components/MovementBasicComponent.java
rename to src/main/java/com/reider745/behavior/entities/formats/tags/components/navigation/MovementBasicComponent.java
index 0cd96c12f..896480579 100644
--- a/src/main/java/com/reider745/behavior/entities/formats/tags/components/MovementBasicComponent.java
+++ b/src/main/java/com/reider745/behavior/entities/formats/tags/components/navigation/MovementBasicComponent.java
@@ -1,4 +1,4 @@
-package com.reider745.behavior.entities.formats.tags.components;
+package com.reider745.behavior.entities.formats.tags.components.navigation;
 
 import com.reider745.behavior.entities.ComponentsTag;
 import com.reider745.behavior.entities.EntityContentFactory;
diff --git a/src/main/java/com/reider745/behavior/entities/formats/tags/components/MovementComponent.java b/src/main/java/com/reider745/behavior/entities/formats/tags/components/navigation/MovementComponent.java
similarity index 89%
rename from src/main/java/com/reider745/behavior/entities/formats/tags/components/MovementComponent.java
rename to src/main/java/com/reider745/behavior/entities/formats/tags/components/navigation/MovementComponent.java
index 1768ab1ed..4fb91b04f 100644
--- a/src/main/java/com/reider745/behavior/entities/formats/tags/components/MovementComponent.java
+++ b/src/main/java/com/reider745/behavior/entities/formats/tags/components/navigation/MovementComponent.java
@@ -1,4 +1,4 @@
-package com.reider745.behavior.entities.formats.tags.components;
+package com.reider745.behavior.entities.formats.tags.components.navigation;
 
 import com.reider745.behavior.entities.ComponentsTag;
 import com.reider745.behavior.entities.EntityContentFactory;
diff --git a/src/main/java/com/reider745/behavior/loots/LootsContent.java b/src/main/java/com/reider745/behavior/loots/LootsContent.java
index 20bf553f5..df5a14cc7 100644
--- a/src/main/java/com/reider745/behavior/loots/LootsContent.java
+++ b/src/main/java/com/reider745/behavior/loots/LootsContent.java
@@ -15,7 +15,7 @@ public String getDefaultDirectory() {
     }
 
     @Override
-    public void load(JSONObject json) {
+    public void load(JSONObject json, String file) {
 
     }
 }
diff --git a/src/main/java/com/reider745/behavior/spawnrules/SpawnRulesContent.java b/src/main/java/com/reider745/behavior/spawnrules/SpawnRulesContent.java
new file mode 100644
index 000000000..00aa790c7
--- /dev/null
+++ b/src/main/java/com/reider745/behavior/spawnrules/SpawnRulesContent.java
@@ -0,0 +1,34 @@
+package com.reider745.behavior.spawnrules;
+
+import com.reider745.behavior.BehaviorContent;
+import com.reider745.behavior.spawnrules.version.SpawnRules18;
+import org.json.JSONObject;
+
+import java.util.HashMap;
+
+public class SpawnRulesContent extends BehaviorContent {
+    private static final HashMap<String, SpawnRulesVersion> versions = new HashMap<>();
+
+    static {
+        versions.put("1.8.0", new SpawnRules18());
+    }
+
+    @Override
+    public String getTagName() {
+        return "minecraft:spawn_rules";
+    }
+
+    @Override
+    public String getDefaultDirectory() {
+        return "spawn_rules";
+    }
+
+    @Override
+    public void load(JSONObject json, String file) {
+        final String version_name = json.getString("format_version");
+        final SpawnRulesVersion version = versions.get(version_name);
+        if(version == null)
+            throw new RuntimeException("Not support spawn rules version "+version_name);
+        version.load(json.getJSONObject(getTagName()), file);
+    }
+}
diff --git a/src/main/java/com/reider745/behavior/spawnrules/SpawnRulesVersion.java b/src/main/java/com/reider745/behavior/spawnrules/SpawnRulesVersion.java
new file mode 100644
index 000000000..43eb77410
--- /dev/null
+++ b/src/main/java/com/reider745/behavior/spawnrules/SpawnRulesVersion.java
@@ -0,0 +1,7 @@
+package com.reider745.behavior.spawnrules;
+
+import org.json.JSONObject;
+
+public abstract class SpawnRulesVersion {
+    abstract public void load(JSONObject jsonObject, String file);
+}
diff --git a/src/main/java/com/reider745/behavior/spawnrules/version/SpawnRules18.java b/src/main/java/com/reider745/behavior/spawnrules/version/SpawnRules18.java
new file mode 100644
index 000000000..fe09ef92e
--- /dev/null
+++ b/src/main/java/com/reider745/behavior/spawnrules/version/SpawnRules18.java
@@ -0,0 +1,21 @@
+package com.reider745.behavior.spawnrules.version;
+
+import com.reider745.behavior.spawnrules.SpawnRulesVersion;
+import com.zhekasmirnov.horizon.runtime.logger.Logger;
+import org.json.JSONObject;
+
+public class SpawnRules18 extends SpawnRulesVersion {
+    @Override
+    public void load(JSONObject json, String file) {
+        final JSONObject description = json.getJSONObject("description");
+
+        final String identifier = description.getString("identifier");
+        final String populationControl = description.getString("population_control");
+
+        for(String tag : json.keySet()) {
+            if(tag.contains("description")) continue;
+
+            Logger.warning("Not support spawn rules tag: " + tag + ", file: ");
+        }
+    }
+}