diff --git a/deployarena.py b/deployarena.py
new file mode 100755
index 00000000..68bf0234
--- /dev/null
+++ b/deployarena.py
@@ -0,0 +1,85 @@
+#!/usr/bin/env python3
+import datetime
+import os
+import shutil
+import sys
+import tarfile
+from os import path
+
+# Non stdlib
+import yaml
+from nbt import nbt
+
+if __name__ == "__main__":
+    configfile = f'/configs/GameModes/{sys.argv[1]}'
+    version = int(sys.argv[2])
+    worldname = sys.argv[3]
+
+    with open(configfile, 'r') as file:
+        gamemode = yaml.load(configfile, Loader=yaml.CLoader)
+
+    builderworld = path.expanduser(f'~/builder{version}/{worldname}')
+    arenaworld = f'/servers/{gamemode["Server"]["Folder"]}/arenas/{worldname}'
+
+    if path.exists(arenaworld):
+        backupworld = path.expanduser(f'~/backup/arenas/{datetime.datetime.now()}-{worldname}-{version}.tar.xz')
+        with tarfile.open(backupworld, 'w:xz') as tar:
+            tar.add(arenaworld, arcname=worldname)
+
+        shutil.rmtree(arenaworld)
+    else:
+        gamemode['Server']['Maps'].append(worldname)
+
+        with open(configfile, 'w') as file:
+            yaml.dump(gamemode, file)
+
+
+    level = nbt.NBTFile(f'{builderworld}/level.dat')
+    level['Data']['Difficulty'] = nbt.TAG_Byte(2)
+    gameRules = level['Data']['GameRules']
+    gameRules['announceAdvancements'] = nbt.TAG_String('false')
+    gameRules['disableRaids'] = nbt.TAG_String('true')
+    gameRules['doDaylightCycle'] = nbt.TAG_String('false')
+    gameRules['doEntityDrops'] = nbt.TAG_String('false')
+    gameRules['doFireTick'] = nbt.TAG_String('true')
+    gameRules['doImmediateRespawn'] = nbt.TAG_String('true')
+    gameRules['doInsomnia'] = nbt.TAG_String('false')
+    gameRules['doLimitedCrafting'] = nbt.TAG_String('false')
+    gameRules['doMobLoot'] = nbt.TAG_String('false')
+    gameRules['doMobSpawning'] = nbt.TAG_String('false')
+    gameRules['doPatrolSpawning'] = nbt.TAG_String('false')
+    gameRules['doTileDrops'] = nbt.TAG_String('true')
+    gameRules['doTraderSpawning'] = nbt.TAG_String('false')
+    gameRules['doWardenSpawning'] = nbt.TAG_String('false')
+    gameRules['doWeatherCycle'] = nbt.TAG_String('false')
+    gameRules['drowningDamage'] = nbt.TAG_String('true')
+    gameRules['fallDamage'] = nbt.TAG_String('true')
+    gameRules['fireDamage'] = nbt.TAG_String('true')
+    gameRules['freezeDamage'] = nbt.TAG_String('true')
+    gameRules['keepInventory'] = nbt.TAG_String('true')
+    gameRules['lavaSourceConversion'] = nbt.TAG_String('false')
+    gameRules['maxEntityCramming'] = nbt.TAG_String('24')
+    gameRules['mobGriefing'] = nbt.TAG_String('false')
+    gameRules['naturalRegeneration'] = nbt.TAG_String('false')
+    gameRules['randomTickSpeed'] = nbt.TAG_String('3')
+    gameRules['reducedDebugInfo'] = nbt.TAG_String('true')
+    gameRules['snowAccumulationHeight'] = nbt.TAG_String('1')
+    gameRules['spawnRadius'] = nbt.TAG_String('0')
+    gameRules['spectatorsGenerateChunks'] = nbt.TAG_String('true')
+    gameRules['waterSourceConversion'] = nbt.TAG_String('true')
+    level.write_file()
+
+    if path.exists(arenaworld):
+        shutil.rmtree(arenaworld)
+
+    os.makedirs(f'{arenaworld}/backup')
+    shutil.copy2(f'{builderworld}/level.dat', f'{arenaworld}/backup/level.dat')
+    shutil.copytree(f'{builderworld}/region', f'{arenaworld}/backup/region')
+
+    shutil.copy2(f'{builderworld}/level.dat', f'{arenaworld}/level.dat')
+    shutil.copytree(f'{builderworld}/region', f'{arenaworld}/region')
+    shutil.copy2(f'{builderworld}/config.yml', f'{arenaworld}/config.yml')
+
+    if path.exists(f'{builderworld}/paper-world.yml'):
+        shutil.copy2(f'{builderworld}/paper-world.yml', f'{arenaworld}/backup/paper-world.yml')
+        shutil.copy2(f'{builderworld}/paper-world.yml', f'{arenaworld}/paper-world.yml')
diff --git a/src/de/steamwar/bungeecore/ArenaMode.java b/src/de/steamwar/bungeecore/ArenaMode.java
index d33aeeb8..d3a8d8b6 100644
--- a/src/de/steamwar/bungeecore/ArenaMode.java
+++ b/src/de/steamwar/bungeecore/ArenaMode.java
@@ -32,13 +32,23 @@ import java.util.stream.Collectors;
 
 public class ArenaMode {
 
+    private static final Random random = new Random();
+
     private static final Map<String, ArenaMode> byChat = new HashMap<>();
     private static final Map<String, ArenaMode> byInternal = new HashMap<>();
     private static final Map<SchematicType, ArenaMode> bySchemType = new HashMap<>();
     private static final List<ArenaMode> allModes = new LinkedList<>();
-    private static final Random random = new Random();
 
     static {
+        init();
+    }
+
+    public static void init() {
+        byChat.clear();
+        byInternal.clear();
+        bySchemType.clear();
+        allModes.clear();
+
         File folder = new File(ProxyServer.getInstance().getPluginsFolder(), "FightSystem");
 
         for(File configFile : Arrays.stream(folder.listFiles((file, name) -> name.endsWith(".yml") && !name.endsWith(".kits.yml"))).sorted().collect(Collectors.toList())) {
diff --git a/src/de/steamwar/bungeecore/ServerStarter.java b/src/de/steamwar/bungeecore/ServerStarter.java
index 25af0cbf..2363169c 100644
--- a/src/de/steamwar/bungeecore/ServerStarter.java
+++ b/src/de/steamwar/bungeecore/ServerStarter.java
@@ -352,6 +352,10 @@ public class ServerStarter {
             return serverJar;
         }
 
+        public int getVersionSuffix() {
+            return versionSuffix;
+        }
+
         public String getWorldFolder(String base) {
             return base + versionSuffix + "/";
         }
diff --git a/src/de/steamwar/bungeecore/commands/BuilderCloudCommand.java b/src/de/steamwar/bungeecore/commands/BuilderCloudCommand.java
index cb5eb1ba..f34c622c 100644
--- a/src/de/steamwar/bungeecore/commands/BuilderCloudCommand.java
+++ b/src/de/steamwar/bungeecore/commands/BuilderCloudCommand.java
@@ -1,5 +1,7 @@
 package de.steamwar.bungeecore.commands;
 
+import de.steamwar.bungeecore.ArenaMode;
+import de.steamwar.bungeecore.BungeeCore;
 import de.steamwar.bungeecore.ServerStarter;
 import de.steamwar.command.SWCommand;
 import de.steamwar.command.TypeMapper;
@@ -70,6 +72,17 @@ public class BuilderCloudCommand extends SWCommand {
         ChatSender.of(player).system("BUILDERCLOUD_RENAMED");
     }
 
+    @Register(value = "deploy", description = "BUILDERCLOUD_DEPLOY_USAGE")
+    public void deploy(ProxiedPlayer player, @Mapper("nonHistoricArenaMode") ArenaMode arenaMode, @ErrorMessage("BUILDERCLOUD_VERSION") ServerStarter.Version version, @Mapper("map") String map) {
+        if(!mapFile(version, map).exists()) {
+            ChatSender.of(player).system("BUILDERCLOUD_UNKNOWN_MAP");
+            return;
+        }
+
+        BungeeCore.local.execute("/binaries/deployarena.py", arenaMode.getConfig(), Integer.toString(version.getVersionSuffix()), map);
+        ArenaMode.init();
+    }
+
     @ClassMapper(value = ServerStarter.Version.class, local = true)
     private TypeMapper<ServerStarter.Version> versionTypeMapper() {
         return new TypeMapper<ServerStarter.Version>() {
diff --git a/src/de/steamwar/messages/BungeeCore.properties b/src/de/steamwar/messages/BungeeCore.properties
index 9223a253..30ce2090 100644
--- a/src/de/steamwar/messages/BungeeCore.properties
+++ b/src/de/steamwar/messages/BungeeCore.properties
@@ -662,6 +662,7 @@ LOCK_LOCALE_CHANGED=§aLanguage saved
 BUILDERCLOUD_USAGE=§8/§7buildercloud §8[§eversion§8] §8[§emap§8]
 BUILDERCLOUD_CREATE_USAGE=§8/§7buildercloud create §8[§eversion§8] §8[§emap§8] §8<§7generator§8>
 BUILDERCLOUD_RENAME_USAGE=§8/§7buildercloud rename §8[§eversion§8] §8[§emap§8] §8[§enew name§8]
+BUILDERCLOUD_DEPLOY_USAGE=§8/§7deployarena §8[§egamemode§8] §8[§eversion§8] §8[§emap§8]
 BUILDERCLOUD_VERSION=§cUnknown version.
 BUILDERCLOUD_EXISTING_MAP=§cMap already exists.
 BUILDERCLOUD_UNKNOWN_MAP=§cUnknown map.
diff --git a/steamwarci.yml b/steamwarci.yml
index 2b3f672e..76aa0038 100644
--- a/steamwarci.yml
+++ b/steamwarci.yml
@@ -4,3 +4,4 @@ build:
 
 artifacts:
   "/binarys/bungeecore.jar": "build/libs/bungeecore.jar"
+  "/binarys/deployarena.py": "deployarena.py"