diff --git a/config.yml b/config.yml
index 1b71bbe..557b2fe 100644
--- a/config.yml
+++ b/config.yml
@@ -2,3 +2,5 @@
 host: "0.0.0.0"
 port: 25565
 motd: "A JStom Server"
+online_mode: true
+velocity_secret: ""
\ No newline at end of file
diff --git a/scripts/elytra_boost.js b/scripts/elytra_boost.js
new file mode 100644
index 0000000..eebf0cc
--- /dev/null
+++ b/scripts/elytra_boost.js
@@ -0,0 +1,52 @@
+const Material = Java.type('net.minestom.server.item.Material');
+const Sound = Java.type('net.kyori.adventure.sound.Sound');
+const SoundEvent = Java.type('net.minestom.server.sound.SoundEvent');
+const Entity = Java.type('net.minestom.server.entity.Entity');
+const EntityType = Java.type('net.minestom.server.entity.EntityType');
+const Duration = Java.type('java.time.Duration');
+
+server.log("Vanilla Elytra Boost loaded.");
+
+server.on('net.minestom.server.event.player.PlayerUseItemEvent', (event) => {
+    const player = event.getPlayer();
+    const item = event.getItemStack();
+
+    // 1. Validate Condition
+    if (item.material().name() !== "minecraft:firework_rocket") return;
+    if (!player.isFlyingWithElytra()) return;
+
+    // 2. Consume Item (if not creative)
+    if (player.getGameMode().name() !== "CREATIVE") {
+        player.setItemInHand(event.getHand(), item.withAmount(item.amount() - 1));
+    }
+
+    // 3. Spawn Firework Rocket
+    // The entity itself handles the boosting physics in Minestom/Client
+    const rocket = new Entity(EntityType.fromKey("minecraft:firework_rocket"));
+    const meta = rocket.getEntityMeta();
+    
+    meta.setFireworkInfo(item);
+    meta.setShooter(player);
+    
+    // Spawn at player position
+    rocket.setInstance(player.getInstance(), player.getPosition());
+    
+    // Set rocket velocity to fly in look direction
+    const direction = player.getPosition().direction();
+    rocket.setVelocity(direction.mul(1.5)); // Adjust rocket speed if needed
+    
+    // Cleanup: Remove rocket after lifetime (e.g., 1.5s for duration 3)
+    // Vanilla duration calculation is roughly (FlightDuration + 1) * 10 + random ticks
+    // 1.5s is a safe average for Duration 3
+    rocket.scheduleRemove(Duration.ofMillis(1500));
+
+    // 4. Play Sound
+    const launchSound = Sound.sound(
+        SoundEvent.fromKey("minecraft:entity.firework_rocket.launch"), 
+        Sound.Source.PLAYER, 
+        3.0, 
+        1.0
+    );
+    player.getViewers().forEach(v => v.playSound(launchSound, player.getPosition()));
+    player.playSound(launchSound);
+});
diff --git a/scripts/elytra_spawn.js b/scripts/elytra_spawn.js
new file mode 100644
index 0000000..d0c9fd1
--- /dev/null
+++ b/scripts/elytra_spawn.js
@@ -0,0 +1,25 @@
+const ItemStack = Java.type('net.minestom.server.item.ItemStack');
+const Material = Java.type('net.minestom.server.item.Material');
+const EquipmentSlot = Java.type('net.minestom.server.entity.EquipmentSlot');
+const DataComponents = Java.type('net.minestom.server.component.DataComponents');
+const FireworkList = Java.type('net.minestom.server.item.component.FireworkList');
+
+server.log("Elytra script loaded!");
+
+server.on('net.minestom.server.event.player.PlayerSpawnEvent', (event) => {
+    const player = event.getPlayer();
+    
+    // Create items using fromKey (safer than static field access)
+    const elytra = ItemStack.of(Material.fromKey("minecraft:elytra"));
+    
+    // Create fireworks with flight duration 3
+    var fireworks = ItemStack.of(Material.fromKey("minecraft:firework_rocket"))
+        .withAmount(64)
+        .with(DataComponents.FIREWORKS, FireworkList.EMPTY.withFlightDuration(3));
+
+    // Equip items
+    player.setEquipment(EquipmentSlot.CHESTPLATE, elytra);
+    player.setEquipment(EquipmentSlot.OFF_HAND, fireworks);
+    
+    player.sendMessage("You have been equipped with an Elytra and Fireworks (Flight Duration 3)!");
+});
diff --git a/src/main/java/net/jstom/Config.java b/src/main/java/net/jstom/Config.java
index 6e777b8..c7b13c6 100644
--- a/src/main/java/net/jstom/Config.java
+++ b/src/main/java/net/jstom/Config.java
@@ -12,6 +12,8 @@ public class Config {
     public static int PORT = 25565;
     public static String MOTD = "A JStom Server";
     public static String HOST = "0.0.0.0";
+    public static boolean ONLINE_MODE = true;
+    public static String VELOCITY_SECRET = "";
 
     private static final String CONFIG_FILE = "config.yml";
 
@@ -28,6 +30,8 @@ public class Config {
             if (data != null) {
                 if (data.containsKey("port")) PORT = (int) data.get("port");
                 if (data.containsKey("motd")) MOTD = (String) data.get("motd");
+                if (data.containsKey("online_mode")) ONLINE_MODE = (boolean) data.get("online_mode");
+                if (data.containsKey("velocity_secret")) VELOCITY_SECRET = (String) data.get("velocity_secret");
                 if (data.containsKey("host")) {
                     String rawHost = (String) data.get("host");
                     if (rawHost.contains(":")) {
@@ -48,6 +52,8 @@ public class Config {
             writer.write("host: \"0.0.0.0\"\n");
             writer.write("port: 25565\n");
             writer.write("motd: \"A JStom Server\"\n");
+            writer.write("online_mode: true\n");
+            writer.write("velocity_secret: \"\"\n");
         } catch (IOException e) {
             e.printStackTrace();
         }
diff --git a/src/main/java/net/jstom/Main.java b/src/main/java/net/jstom/Main.java
index 8bfb102..12e52bb 100644
--- a/src/main/java/net/jstom/Main.java
+++ b/src/main/java/net/jstom/Main.java
@@ -7,6 +7,8 @@ import net.minestom.server.entity.Player;
 import net.minestom.server.event.GlobalEventHandler;
 import net.minestom.server.event.player.AsyncPlayerConfigurationEvent;
 import net.minestom.server.event.server.ServerListPingEvent;
+import net.minestom.server.extras.MojangAuth;
+import net.minestom.server.extras.velocity.VelocityProxy;
 import net.minestom.server.instance.InstanceContainer;
 import net.minestom.server.instance.InstanceManager;
 import net.minestom.server.instance.LightingChunk;
@@ -25,6 +27,17 @@ public class Main {
         // Initialize server
         MinecraftServer minecraftServer = MinecraftServer.init();
 
+        // Auth
+        if (!Config.VELOCITY_SECRET.isEmpty()) {
+            VelocityProxy.enable(Config.VELOCITY_SECRET);
+            System.out.println("Velocity forwarding enabled.");
+        } else if (Config.ONLINE_MODE) {
+            MojangAuth.init();
+            System.out.println("Online mode enabled.");
+        } else {
+            System.out.println("Running in offline mode.");
+        }
+
         InstanceManager instanceManager = MinecraftServer.getInstanceManager();
         // Create the instance
         InstanceContainer instanceContainer = instanceManager.createInstanceContainer();