diff --git a/src/main/java/me/lrxh/practice/Practice.java b/src/main/java/me/lrxh/practice/Practice.java
index 2ec2008..5dfc22f 100644
--- a/src/main/java/me/lrxh/practice/Practice.java
+++ b/src/main/java/me/lrxh/practice/Practice.java
@@ -33,6 +33,7 @@
 import me.lrxh.practice.profile.KillEffects;
 import me.lrxh.practice.profile.Profile;
 import me.lrxh.practice.profile.ProfileListener;
+import me.lrxh.practice.profile.Themes;
 import me.lrxh.practice.profile.hotbar.Hotbar;
 import me.lrxh.practice.queue.QueueListener;
 import me.lrxh.practice.queue.QueueThread;
@@ -221,8 +222,11 @@ private void loadCommandCompletions() {
 
     private void registerPermissions() {
         PluginManager pluginManager = getServer().getPluginManager();
-        for (KillEffects killEffects : KillEffects.values()) {
-            pluginManager.addPermission(new Permission("practice.killeffect." + killEffects.getDisplayName(), PermissionDefault.OP));
+        for (KillEffects killEffect : KillEffects.values()) {
+            pluginManager.addPermission(new Permission("practice.killeffect." + killEffect.getDisplayName(), PermissionDefault.OP));
+        }
+        for (Themes theme : Themes.values()) {
+            pluginManager.addPermission(new Permission("practice.theme." + theme.getName(), PermissionDefault.OP));
         }
         Arrays.asList(
                 "practice.admin.arena",
diff --git a/src/main/java/me/lrxh/practice/commands/user/duels/DuelCommand.java b/src/main/java/me/lrxh/practice/commands/user/duels/DuelCommand.java
index 1af690c..e1c4461 100644
--- a/src/main/java/me/lrxh/practice/commands/user/duels/DuelCommand.java
+++ b/src/main/java/me/lrxh/practice/commands/user/duels/DuelCommand.java
@@ -41,10 +41,10 @@ public void execute(Player sender, String targetName) {
             return;
         }
 
-        if (sender.getUniqueId().equals(target.getUniqueId())) {
-            sender.sendMessage(CC.RED + "You cannot duel yourself.");
-            return;
-        }
+//        if (sender.getUniqueId().equals(target.getUniqueId())) {
+//            sender.sendMessage(CC.RED + "You cannot duel yourself.");
+//            return;
+//        }
 
         Profile senderProfile = Profile.getByUuid(sender.getUniqueId());
         Profile targetProfile = Profile.getByUuid(target.getUniqueId());
diff --git a/src/main/java/me/lrxh/practice/duel/menu/DuelSelectArenaMenu.java b/src/main/java/me/lrxh/practice/duel/menu/DuelSelectArenaMenu.java
index 9ee7e27..d7c4188 100644
--- a/src/main/java/me/lrxh/practice/duel/menu/DuelSelectArenaMenu.java
+++ b/src/main/java/me/lrxh/practice/duel/menu/DuelSelectArenaMenu.java
@@ -5,6 +5,7 @@
 import me.lrxh.practice.arena.Arena;
 import me.lrxh.practice.arena.ArenaType;
 import me.lrxh.practice.profile.Profile;
+import me.lrxh.practice.util.InventoryUtil;
 import me.lrxh.practice.util.ItemBuilder;
 import me.lrxh.practice.util.menu.Button;
 import me.lrxh.practice.util.menu.Menu;
@@ -18,6 +19,7 @@
 import java.util.Map;
 
 public class DuelSelectArenaMenu extends Menu {
+    Map<Integer, Button> buttons = new HashMap<>();
 
     @Override
     public String getTitle(Player player) {
@@ -26,7 +28,7 @@ public String getTitle(Player player) {
 
     @Override
     public int getSize() {
-        return Practice.getInstance().getMenusConfig().getInteger("DUEL.ARENA-SELECTOR.SIZE");
+        return InventoryUtil.getMenuSize(buttons.size(), true);
     }
 
     @Override
@@ -38,7 +40,6 @@ public Filters getFilter() {
     public Map<Integer, Button> getButtons(Player player) {
         Profile profile = Profile.getByUuid(player.getUniqueId());
 
-        Map<Integer, Button> buttons = new HashMap<>();
         int i = 10;
 
         for (Arena arena : Arena.getArenas()) {
diff --git a/src/main/java/me/lrxh/practice/queue/menu/QueueSelectKitMenu.java b/src/main/java/me/lrxh/practice/queue/menu/QueueSelectKitMenu.java
index f2ae625..85e67f6 100644
--- a/src/main/java/me/lrxh/practice/queue/menu/QueueSelectKitMenu.java
+++ b/src/main/java/me/lrxh/practice/queue/menu/QueueSelectKitMenu.java
@@ -53,7 +53,7 @@ public Map<Integer, Button> getButtons(Player player) {
                 buttons.put(i++, new SelectKitButton(queue));
             }
         }
-//        buttons.put(4, new SelectQueueButton(ranked));
+        //buttons.put(4, new SelectQueueButton(ranked));
         return buttons;
     }
 
@@ -97,6 +97,7 @@ public ItemStack getButtonItem(Player player) {
             configLore.forEach(line -> {
                 line = line.replaceAll("<playing>", String.valueOf(Match.getInFightsCount(queue)));
                 line = line.replaceAll("<queueing>", String.valueOf(queue.getQueuing()));
+                line = line.replaceAll("<kit>", queue.getKit().getName());
                 line = replaceLeaderboardPlaceholders(line, queue);
                 if (!line.contains("<description>") || !queue.getKit().getDescription().equalsIgnoreCase("none")) {
                     line = line.replaceAll("<description>", queue.getKit().getDescription());
diff --git a/src/main/java/me/lrxh/practice/setting/SettingsMenu.java b/src/main/java/me/lrxh/practice/setting/SettingsMenu.java
index 1696ef5..bca2904 100644
--- a/src/main/java/me/lrxh/practice/setting/SettingsMenu.java
+++ b/src/main/java/me/lrxh/practice/setting/SettingsMenu.java
@@ -245,7 +245,7 @@ public void clicked(Player player, ClickType clickType) {
                     break;
                 }
                 case THEME: {
-                    if (!player.hasPermission("practice.options.theme.selector")) {
+                    if (!player.hasPermission("practice.theme." + profile.getOptions().theme().getName())) {
                         player.sendMessage(CC.translate("&cYou don't have permission to use the theme selector"));
                         break;
                     }
diff --git a/src/main/java/me/lrxh/practice/util/InventoryUtil.java b/src/main/java/me/lrxh/practice/util/InventoryUtil.java
index 261b7df..c287d72 100644
--- a/src/main/java/me/lrxh/practice/util/InventoryUtil.java
+++ b/src/main/java/me/lrxh/practice/util/InventoryUtil.java
@@ -36,6 +36,17 @@ public static String serializeInventory(ItemStack[] source) {
         return builder.toString();
     }
 
+    public static int getMenuSize(int numberOfItems, boolean filling) {
+        int slotsPerRow = 9;
+        int rows = (int) Math.ceil((double) numberOfItems / slotsPerRow);
+        rows = Math.max(rows, 1);
+        if(filling){
+            return rows * slotsPerRow + 18;
+        }else{
+            return rows * slotsPerRow;
+        }
+    }
+
     public static ItemStack[] deserializeInventory(String source) {
         List<ItemStack> items = new ArrayList<>();
         String[] split = source.split(";");