diff --git a/BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/util/PistonCalculator.java b/BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/util/PistonCalculator.java
index ddc98cd5..5cc4b744 100644
--- a/BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/util/PistonCalculator.java
+++ b/BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/util/PistonCalculator.java
@@ -55,7 +55,13 @@ public class PistonCalculator implements Listener {
     public void onPlayerInteract(PlayerInteractEvent event) {
         if (!Permission.BUILD.hasPermission(event.getPlayer())) return;
         if (event.getAction() != Action.RIGHT_CLICK_BLOCK) return;
-        if (event.hasItem() && event.getItem().getType() != Material.SLIME_BALL) return;
+        if (event.getItem() == null) {}
+        else if (event.getItem() != null && event.getItem().getType() == Material.SLIME_BALL) {}
+        else if (!event.getItem().getType().isBlock()) {
+            DEBOUNCE.put(event.getPlayer(), System.currentTimeMillis());
+            return;
+        }
+        else return;
         if (event.getClickedBlock() == null) return;
         Block clickedBlock = event.getClickedBlock();
         Material blockType = clickedBlock.getType();
diff --git a/BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/worldedit/SelectAdjacent.java b/BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/worldedit/SelectAdjacent.java
new file mode 100644
index 00000000..7e3ade3c
--- /dev/null
+++ b/BauSystem/BauSystem_Main/src/de/steamwar/bausystem/features/worldedit/SelectAdjacent.java
@@ -0,0 +1,180 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.bausystem.features.worldedit;
+
+import de.steamwar.bausystem.BauSystem;
+import de.steamwar.bausystem.region.Point;
+import de.steamwar.bausystem.utils.FlatteningWrapper;
+import de.steamwar.core.WorldEditRenderer;
+import de.steamwar.linkage.Linked;
+import de.steamwar.linkage.MinVersion;
+import org.bukkit.Bukkit;
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.block.Block;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.block.Action;
+import org.bukkit.event.player.PlayerInteractEvent;
+import org.bukkit.event.player.PlayerQuitEvent;
+import org.bukkit.scheduler.BukkitTask;
+import org.bukkit.util.Vector;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.function.Predicate;
+
+@Linked
+@MinVersion(20)
+public class SelectAdjacent implements Listener {
+
+    private Vector[] FACES = {
+            new Vector(1, 0, 0),
+            new Vector(-1, 0, 0),
+            new Vector(0, 1, 0),
+            new Vector(0, -1, 0),
+            new Vector(0, 0, 1),
+            new Vector(0, 0, -1),
+
+            new Vector(1, 1, 0),
+            new Vector(1, -1, 0),
+            new Vector(1, 0, 1),
+            new Vector(1, 0, -1),
+            new Vector(-1, 1, 0),
+            new Vector(-1, -1, 0),
+            new Vector(-1, 0, 1),
+            new Vector(-1, 0, -1),
+            new Vector(0, 1, 1),
+            new Vector(0, 1, -1),
+            new Vector(0, -1, 1),
+            new Vector(0, -1, -1),
+    };
+
+    private Map<Player, Selector> selectors = new HashMap<>();
+
+    @EventHandler
+    public void onPlayerInteract(PlayerInteractEvent event) {
+        if (!event.hasItem()) return;
+        if (event.getItem().getType() != Material.WOODEN_AXE) return;
+        if (!event.getPlayer().isSneaking()) return;
+        if (event.getAction() != Action.LEFT_CLICK_BLOCK) return;
+        Selector selector = selectors.get(event.getPlayer());
+        if (selector != null) selector.cancel();
+        Material material = event.getPlayer().getInventory().getItemInOffHand().getType();
+        if (material.isAir()) {
+            selector = new Selector(event.getClickedBlock(), event.getPlayer(), __ -> true);
+        } else {
+            selector = new Selector(event.getClickedBlock(), event.getPlayer(), type -> type == material);
+        }
+        selectors.put(event.getPlayer(), selector);
+    }
+
+    @EventHandler
+    public void onPlayerQuit(PlayerQuitEvent event) {
+        Selector selector = selectors.remove(event.getPlayer());
+        if (selector != null) selector.cancel();
+    }
+
+    private class Selector {
+
+        private static final int MAX_BLOCKS = 500_000;
+
+        private int minX;
+        private int minY;
+        private int minZ;
+        private int maxX;
+        private int maxY;
+        private int maxZ;
+
+        private BukkitTask bukkitTask;
+        private Predicate<Material> predicate;
+        private Set<Location> seen = new HashSet<>();
+        private Set<Location> toCalc = new HashSet<>();
+
+        public Selector(Block block, Player player, Predicate<Material> predicate) {
+            this.predicate = predicate;
+            toCalc.add(block.getLocation());
+            minX = block.getX();
+            minY = block.getY();
+            minZ = block.getZ();
+            maxX = block.getX();
+            maxY = block.getY();
+            maxZ = block.getZ();
+
+            bukkitTask = Bukkit.getScheduler().runTaskTimer(BauSystem.getInstance(), () -> {
+                run();
+
+                long volume = (long)(maxX - minX + 1) * (long)(maxY - minY + 1) * (long)(maxZ - minZ + 1);
+                player.sendTitle("", "§e" + volume + " §7Blocks", 0, 5, 0);
+
+                Point minPoint = new Point(minX, minY, minZ);
+                Point maxPoint = new Point(maxX, maxY, maxZ);
+
+                FlatteningWrapper.impl.setSelection(player, minPoint, maxPoint);
+                WorldEditRenderer.renderPlayer(player);
+
+                // boolean finished = toCalc.stream().allMatch(location -> {
+                //     return location.getBlockX() >= minX && location.getBlockY() >= minY && location.getBlockZ() >= minZ &&
+                //             location.getBlockX() <= maxX && location.getBlockY() <= maxY && location.getBlockZ() <= maxZ;
+                // });
+
+                if (toCalc.isEmpty() || seen.size() > MAX_BLOCKS) {
+                    bukkitTask.cancel();
+                    player.sendTitle("§aDone", "§e" + volume + " §7Blocks", 0, 20, 5);
+                }
+            }, 1, 1);
+        }
+
+        private void cancel() {
+            bukkitTask.cancel();
+        }
+
+        private void run() {
+            Set<Location> current = toCalc;
+            toCalc = new HashSet<>();
+
+            for (Location location : current) {
+                Block block = location.getBlock();
+                if (block.isEmpty() || block.isLiquid()) continue;
+                if (!predicate.test(block.getType())) continue;
+                seen.add(location);
+
+                minX = Math.min(minX, location.getBlockX());
+                maxX = Math.max(maxX, location.getBlockX());
+                minY = Math.min(minY, location.getBlockY());
+                maxY = Math.max(maxY, location.getBlockY());
+                minZ = Math.min(minZ, location.getBlockZ());
+                maxZ = Math.max(maxZ, location.getBlockZ());
+
+                for (Vector face : FACES) {
+                    Block next = block.getRelative(face.getBlockX(), face.getBlockY(), face.getBlockZ());
+                    if (next.isEmpty() || next.isLiquid()) continue;
+                    if (!predicate.test(next.getType())) continue;
+                    Location loc = next.getLocation();
+                    if (seen.contains(loc)) continue;
+                    toCalc.add(loc);
+                }
+            }
+        }
+    }
+}
diff --git a/SpigotCore/SpigotCore_Main/src/de/steamwar/core/WorldEditRenderer.java b/SpigotCore/SpigotCore_Main/src/de/steamwar/core/WorldEditRenderer.java
index 225053a2..79c54986 100644
--- a/SpigotCore/SpigotCore_Main/src/de/steamwar/core/WorldEditRenderer.java
+++ b/SpigotCore/SpigotCore_Main/src/de/steamwar/core/WorldEditRenderer.java
@@ -39,11 +39,14 @@ import org.bukkit.util.Vector;
 
 public class WorldEditRenderer implements Listener {
 
+    private static WorldEditRenderer INSTANCE;
+
     private static final Material WAND = FlatteningWrapper.impl.getMaterial("WOOD_AXE");
 
     private final WorldEditPlugin we;
 
     public WorldEditRenderer() {
+        INSTANCE = this;
         we = WorldEditWrapper.getWorldEditPlugin();
         Bukkit.getPluginManager().registerEvents(this, Core.getInstance());
 
@@ -54,6 +57,10 @@ public class WorldEditRenderer implements Listener {
         }, 20, 20);
     }
 
+    public static void renderPlayer(Player player) {
+        WorldEditRenderer.INSTANCE.renderPlayer(player, false);
+    }
+
     private void renderPlayer(Player player, boolean scheduled) {
         LocalSession session = we.getSession(player);
         renderClipboard(player, session, scheduled);
diff --git a/Teamserver/src/de/steamwar/teamserver/Builder.java b/Teamserver/src/de/steamwar/teamserver/Builder.java
index 55aeed2d..94dadf8a 100644
--- a/Teamserver/src/de/steamwar/teamserver/Builder.java
+++ b/Teamserver/src/de/steamwar/teamserver/Builder.java
@@ -19,12 +19,14 @@
 
 package de.steamwar.teamserver;
 
+import de.steamwar.core.Core;
 import de.steamwar.core.WorldEditRendererCUIEditor;
 import de.steamwar.message.Message;
 import de.steamwar.teamserver.command.*;
 import de.steamwar.teamserver.listener.AxiomHandshakeListener;
 import de.steamwar.teamserver.listener.FreezeListener;
 import de.steamwar.teamserver.listener.PlayerChange;
+import de.steamwar.teamserver.listener.SelectAdjacent;
 import org.bukkit.Bukkit;
 import org.bukkit.GameRule;
 import org.bukkit.plugin.java.JavaPlugin;
@@ -60,6 +62,10 @@ public final class Builder extends JavaPlugin {
 
         Bukkit.getWorlds().get(0).setGameRule(GameRule.REDUCED_DEBUG_INFO, false);
         new WorldEditRendererCUIEditor();
+
+        if (Core.getVersion() >= 20) {
+            Bukkit.getPluginManager().registerEvents(new SelectAdjacent(), this);
+        }
     }
 
     @Override
diff --git a/Teamserver/src/de/steamwar/teamserver/listener/SelectAdjacent.java b/Teamserver/src/de/steamwar/teamserver/listener/SelectAdjacent.java
new file mode 100644
index 00000000..2fbebbf3
--- /dev/null
+++ b/Teamserver/src/de/steamwar/teamserver/listener/SelectAdjacent.java
@@ -0,0 +1,177 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.teamserver.listener;
+
+import com.sk89q.worldedit.bukkit.BukkitWorld;
+import com.sk89q.worldedit.bukkit.WorldEditPlugin;
+import com.sk89q.worldedit.math.BlockVector3;
+import com.sk89q.worldedit.regions.selector.CuboidRegionSelector;
+import com.sk89q.worldedit.world.World;
+import de.steamwar.core.WorldEditRenderer;
+import de.steamwar.teamserver.Builder;
+import org.bukkit.Bukkit;
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.block.Block;
+import org.bukkit.block.BlockFace;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.block.Action;
+import org.bukkit.event.player.PlayerInteractEvent;
+import org.bukkit.event.player.PlayerQuitEvent;
+import org.bukkit.scheduler.BukkitTask;
+import org.bukkit.util.Vector;
+
+import java.util.*;
+import java.util.function.Predicate;
+
+public class SelectAdjacent implements Listener {
+
+    private Vector[] FACES = {
+            new Vector(1, 0, 0),
+            new Vector(-1, 0, 0),
+            new Vector(0, 1, 0),
+            new Vector(0, -1, 0),
+            new Vector(0, 0, 1),
+            new Vector(0, 0, -1),
+
+            new Vector(1, 1, 0),
+            new Vector(1, -1, 0),
+            new Vector(1, 0, 1),
+            new Vector(1, 0, -1),
+            new Vector(-1, 1, 0),
+            new Vector(-1, -1, 0),
+            new Vector(-1, 0, 1),
+            new Vector(-1, 0, -1),
+            new Vector(0, 1, 1),
+            new Vector(0, 1, -1),
+            new Vector(0, -1, 1),
+            new Vector(0, -1, -1),
+    };
+
+    private Map<Player, Selector> selectors = new HashMap<>();
+
+    @EventHandler
+    public void onPlayerInteract(PlayerInteractEvent event) {
+        if (!event.hasItem()) return;
+        if (event.getItem().getType() != Material.WOODEN_AXE) return;
+        if (!event.getPlayer().isSneaking()) return;
+        if (event.getAction() != Action.LEFT_CLICK_BLOCK) return;
+        Selector selector = selectors.get(event.getPlayer());
+        if (selector != null) selector.cancel();
+        Material material = event.getPlayer().getInventory().getItemInOffHand().getType();
+        if (material.isAir()) {
+            selector = new Selector(event.getClickedBlock(), event.getPlayer(), __ -> true);
+        } else {
+            selector = new Selector(event.getClickedBlock(), event.getPlayer(), type -> type == material);
+        }
+        selectors.put(event.getPlayer(), selector);
+    }
+
+    @EventHandler
+    public void onPlayerQuit(PlayerQuitEvent event) {
+        Selector selector = selectors.remove(event.getPlayer());
+        if (selector != null) selector.cancel();
+    }
+
+    private static final WorldEditPlugin WORLDEDIT_PLUGIN = Objects.requireNonNull((WorldEditPlugin) Bukkit.getPluginManager().getPlugin("WorldEdit"));
+    private static final World BUKKITWORLD = new BukkitWorld(Bukkit.getWorlds().get(0));
+
+    private class Selector {
+
+        private static final int MAX_BLOCKS = 1_000_000;
+
+        private int minX;
+        private int minY;
+        private int minZ;
+        private int maxX;
+        private int maxY;
+        private int maxZ;
+
+        private BukkitTask bukkitTask;
+        private Predicate<Material> predicate;
+        private Set<Location> seen = new HashSet<>();
+        private Set<Location> toCalc = new HashSet<>();
+
+        public Selector(Block block, Player player, Predicate<Material> predicate) {
+            this.predicate = predicate;
+            toCalc.add(block.getLocation());
+            minX = block.getX();
+            minY = block.getY();
+            minZ = block.getZ();
+            maxX = block.getX();
+            maxY = block.getY();
+            maxZ = block.getZ();
+
+            bukkitTask = Bukkit.getScheduler().runTaskTimer(Builder.getInstance(), () -> {
+                run();
+
+                long volume = (long)(maxX - minX + 1) * (long)(maxY - minY + 1) * (long)(maxZ - minZ + 1);
+                player.sendTitle("", "§e" + volume + " §7Blocks", 0, 5, 0);
+
+                WORLDEDIT_PLUGIN.getSession(player).setRegionSelector(BUKKITWORLD, new CuboidRegionSelector(BUKKITWORLD, BlockVector3.at(minX, minY, minZ), BlockVector3.at(maxX, maxY, maxZ)));
+                WorldEditRenderer.renderPlayer(player);
+
+                // boolean finished = toCalc.stream().allMatch(location -> {
+                //     return location.getBlockX() >= minX && location.getBlockY() >= minY && location.getBlockZ() >= minZ &&
+                //             location.getBlockX() <= maxX && location.getBlockY() <= maxY && location.getBlockZ() <= maxZ;
+                // });
+
+                if (toCalc.isEmpty() || seen.size() > MAX_BLOCKS) {
+                    bukkitTask.cancel();
+                    player.sendTitle("§aDone", "§e" + volume + " §7Blocks", 0, 20, 5);
+                }
+            }, 1, 1);
+        }
+
+        private void cancel() {
+            bukkitTask.cancel();
+        }
+
+        private void run() {
+            Set<Location> current = toCalc;
+            toCalc = new HashSet<>();
+
+            for (Location location : current) {
+                Block block = location.getBlock();
+                if (block.isEmpty() || block.isLiquid()) continue;
+                if (!predicate.test(block.getType())) continue;
+                seen.add(location);
+
+                minX = Math.min(minX, location.getBlockX());
+                maxX = Math.max(maxX, location.getBlockX());
+                minY = Math.min(minY, location.getBlockY());
+                maxY = Math.max(maxY, location.getBlockY());
+                minZ = Math.min(minZ, location.getBlockZ());
+                maxZ = Math.max(maxZ, location.getBlockZ());
+
+                for (Vector face : FACES) {
+                    Block next = block.getRelative(face.getBlockX(), face.getBlockY(), face.getBlockZ());
+                    if (next.isEmpty() || next.isLiquid()) continue;
+                    if (!predicate.test(next.getType())) continue;
+                    Location loc = next.getLocation();
+                    if (seen.contains(loc)) continue;
+                    toCalc.add(loc);
+                }
+            }
+        }
+    }
+}
diff --git a/VelocityCore/src/de/steamwar/velocitycore/discord/DiscordBot.java b/VelocityCore/src/de/steamwar/velocitycore/discord/DiscordBot.java
index 28cd0c22..ae9decbd 100644
--- a/VelocityCore/src/de/steamwar/velocitycore/discord/DiscordBot.java
+++ b/VelocityCore/src/de/steamwar/velocitycore/discord/DiscordBot.java
@@ -41,7 +41,6 @@ import net.dv8tion.jda.api.entities.Role;
 import net.dv8tion.jda.api.entities.emoji.Emoji;
 import net.dv8tion.jda.api.events.message.MessageReceivedEvent;
 import net.dv8tion.jda.api.exceptions.ErrorResponseException;
-import net.dv8tion.jda.api.interactions.commands.Command;
 import net.dv8tion.jda.api.interactions.commands.OptionType;
 import net.dv8tion.jda.api.interactions.commands.build.CommandData;
 import net.dv8tion.jda.api.interactions.commands.build.Commands;
@@ -49,13 +48,14 @@ import net.dv8tion.jda.api.interactions.commands.build.OptionData;
 import net.dv8tion.jda.api.interactions.components.ActionRow;
 import net.dv8tion.jda.api.interactions.components.buttons.Button;
 import net.dv8tion.jda.api.requests.GatewayIntent;
-import net.dv8tion.jda.api.requests.restaction.CommandListUpdateAction;
 import net.dv8tion.jda.api.utils.MemberCachePolicy;
 import net.dv8tion.jda.api.utils.messages.MessageCreateBuilder;
 
 import java.awt.*;
+import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
-import java.util.*;
+import java.util.Map;
 import java.util.concurrent.TimeUnit;
 import java.util.function.Consumer;
 
@@ -67,9 +67,10 @@ public class DiscordBot {
 
     @Getter
     private static final Map<String, SWCommand> commands = new HashMap<>();
+    private final OptionData commandArgument = new OptionData(OptionType.STRING, ARGUMENT_NAME, "Command arguments", false);
 
     public static void withBot(Consumer<DiscordBot> consumer) {
-        if(instance != null)
+        if (instance != null)
             consumer.accept(instance);
     }
 
@@ -130,6 +131,7 @@ public class DiscordBot {
                 reply.system("DC_ROLE_ADDED", role.getAsMention());
             }
         }));
+
         new StaticMessageChannel(config.channel("rules"), () -> new MessageCreateBuilder()
                 .setEmbeds(new EmbedBuilder()
                         .setDescription(String.join("\n", config.getRules()))
@@ -141,9 +143,10 @@ public class DiscordBot {
                         ActionRow.of(Button.link("https://steamwar.de", "Website"), Button.link("https://steamwar.de/youtube", "YouTube")),
                         ActionRow.of(Button.primary("auth", Emoji.fromUnicode("U+2705")).withLabel("Minecraft verknüpfen"))
                 ), event -> {
-            if(event.getComponentId().equals("auth"))
+            if (event.getComponentId().equals("auth"))
                 event.reply("Gebe innerhalb der nächsten 10 Minuten ``/verify " + AuthManager.createDiscordAuthToken(event.getUser()) + "`` auf dem Minecraft Server ein").setEphemeral(true).queue();
         });
+
         List<ActionRow> actionRows = new ArrayList<>();
         List<Button> list = new ArrayList<>();
         for (DiscordTicketType type : DiscordTicketType.values()) {
@@ -163,6 +166,7 @@ public class DiscordBot {
                         .setColor(Color.RED)
                         .build())
                 .setComponents(actionRows), DiscordTicketHandler::openTicket);
+
         eventChannel = new StaticMessageChannel(config.channel("events"), EventChannel::get);
         checklistChannel = new ChecklistChannel(config.channel("checklist"));
         config.getCouncilThread().forEach((roleId, threadId) -> new CouncilChannel(DiscordBot.getGuild().getRoleById(roleId), DiscordBot.getGuild().getThreadChannelById(threadId)));
@@ -193,45 +197,32 @@ public class DiscordBot {
 
         VelocityCore.schedule(CouncilChannel::updateAll).repeat(1, TimeUnit.HOURS).schedule();
 
+        VacationCommand vacationCommand = new VacationCommand();
         jda.addEventListener(
                 new DiscordTicketHandler(),
                 new DiscordTeamEvent(),
                 new ChannelListener(),
-                new DiscordSchemUpload()
+                new DiscordSchemUpload(),
+                vacationCommand
         );
 
-        commandSetup(jda.retrieveCommands().complete(), jda.updateCommands());
-    }
-
-    private final OptionData commandArgument = new OptionData(OptionType.STRING, ARGUMENT_NAME, "Command arguments", false);
-    private void commandSetup(List<Command> existing, CommandListUpdateAction updateCommands) {
-        Set<String> correctCommands = new HashSet<>();
-        for(Command command : existing) {
-            if(!commands.containsKey(command.getName())) {
-                command.delete().complete();
-                continue;
-            }
-
-            List<Command.Option> options = command.getOptions();
-            if(options.size() != 1 || options.get(0).getType() != OptionType.STRING)
-                command.editCommand().clearOptions().addOptions(commandArgument).complete();
-
-            correctCommands.add(command.getName());
-        }
-
-        updateCommands
-                .addCommands(commands
-                        .keySet().stream()
-                        .filter(command -> !correctCommands.contains(command))
+        jda.updateCommands()
+                .addCommands(commands.keySet()
+                        .stream()
                         .filter(command -> command.matches("^[\\w-]+$"))
                         .map(command -> Commands.slash(command, command).addOptions(commandArgument))
                         .toArray(CommandData[]::new))
                 .queue();
+
+        jda.getGuildById(1241489896909180998L)
+                .upsertCommand(vacationCommand.COMMAND)
+                .queue();
     }
 
     private boolean activityToggle = false;
+
     private void activity() {
-        if(activityToggle) {
+        if (activityToggle) {
             Event event = Event.get();
             jda.getPresence().setActivity(event != null ? Activity.competing("dem Event " + event.getEventName()) : Activity.playing("auf SteamWar.de"));
         } else {
diff --git a/VelocityCore/src/de/steamwar/velocitycore/discord/VacationCommand.java b/VelocityCore/src/de/steamwar/velocitycore/discord/VacationCommand.java
new file mode 100644
index 00000000..5be79f9e
--- /dev/null
+++ b/VelocityCore/src/de/steamwar/velocitycore/discord/VacationCommand.java
@@ -0,0 +1,189 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.velocitycore.discord;
+
+import it.unimi.dsi.fastutil.Pair;
+import net.dv8tion.jda.api.entities.Guild;
+import net.dv8tion.jda.api.entities.ScheduledEvent;
+import net.dv8tion.jda.api.events.interaction.command.CommandAutoCompleteInteractionEvent;
+import net.dv8tion.jda.api.events.interaction.command.SlashCommandInteractionEvent;
+import net.dv8tion.jda.api.hooks.ListenerAdapter;
+import net.dv8tion.jda.api.interactions.InteractionHook;
+import net.dv8tion.jda.api.interactions.commands.Command;
+import net.dv8tion.jda.api.interactions.commands.OptionType;
+import net.dv8tion.jda.api.interactions.commands.build.OptionData;
+import net.dv8tion.jda.api.interactions.commands.build.SubcommandData;
+import net.dv8tion.jda.internal.interactions.CommandDataImpl;
+import org.jetbrains.annotations.NotNull;
+
+import java.time.LocalDate;
+import java.time.LocalDateTime;
+import java.time.OffsetDateTime;
+import java.time.ZoneId;
+import java.time.format.DateTimeFormatter;
+import java.time.format.DateTimeParseException;
+import java.util.List;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+public class VacationCommand extends ListenerAdapter {
+
+    private final Guild guild = Objects.requireNonNull(DiscordBot.getInstance().getJda().getGuildById(1241489896909180998L));
+
+    public final CommandDataImpl COMMAND = new CommandDataImpl("vacation", "Verwalte deinen Urlaub");
+
+    public VacationCommand() {
+        COMMAND.addSubcommands(new SubcommandData("create", "Erstelle deinen Urlaub")
+                .addOptions(new OptionData(OptionType.STRING, "from", "Datum (TT.MM.JJJJ)", true),
+                        new OptionData(OptionType.STRING, "to", "Datum (TT.MM.JJJJ)", true)));
+        COMMAND.addSubcommands(new SubcommandData("delete", "Lösche deinen Urlaub")
+                .addOptions(new OptionData(OptionType.STRING, "vacation", "Dein Urlaub", true, true)));
+    }
+
+    @Override
+    public void onSlashCommandInteraction(@NotNull SlashCommandInteractionEvent event) {
+        if (!event.getName().equals("vacation")) return;
+        switch (event.getSubcommandName()) {
+            case "create":
+                createVacation(event);
+                break;
+            case "delete":
+                deleteVacation(event);
+                break;
+            default:
+                break;
+        }
+    }
+
+    public static final DateTimeFormatter PARSER = DateTimeFormatter.ofPattern("dd.MM.uuuu");
+
+    private void createVacation(SlashCommandInteractionEvent event) {
+        InteractionHook interactionHook = event.deferReply(true).complete();
+        String from = event.getOption("from").getAsString();
+        String to = event.getOption("to").getAsString();
+
+        LocalDateTime fromDate;
+        try {
+            fromDate = LocalDate.parse(from, PARSER).atStartOfDay();
+        } catch (DateTimeParseException e) {
+            interactionHook.editOriginal("Das Datumsformat ist falsch! Bitte verwenden Sie TT.MM.JJJJ für den ersten Tag deines Urlaubs").queue();
+            return;
+        }
+        if (fromDate == null) {
+            interactionHook.editOriginal("Das Datumsformat ist falsch! Bitte verwenden Sie TT.MM.JJJJ für den ersten Tag deines Urlaubs").queue();
+            return;
+        }
+        if (!fromDate.isAfter(LocalDateTime.now())) {
+            interactionHook.editOriginal("Bitte gib ein Datum in der Zukunft an!").queue();
+            return;
+        }
+
+        LocalDateTime toDate;
+        try {
+            toDate = LocalDate.parse(to, PARSER).atTime(23, 59, 59);
+        } catch (DateTimeParseException e) {
+            interactionHook.editOriginal("Das Datumsformat ist falsch! Bitte verwenden Sie TT.MM.JJJJ für den letzten Tag deines Urlaubs").queue();
+            return;
+        }
+        if (toDate == null) {
+            interactionHook.editOriginal("Das Datumsformat ist falsch! Bitte verwenden Sie TT.MM.JJJJ für den letzten Tag deines Urlaubs").queue();
+            return;
+        }
+        if (!toDate.isAfter(LocalDateTime.now())) {
+            interactionHook.editOriginal("Bitte gib ein Datum in der Zukunft an!").queue();
+            return;
+        }
+        if (!toDate.isAfter(fromDate)) {
+            interactionHook.editOriginal("Bitte gib ein Datum nach dem ersten Urlaubstag an!").queue();
+            return;
+        }
+
+        guild.createScheduledEvent(
+                        "Urlaub " + event.getMember().getEffectiveName(),
+                        event.getMember().getId(),
+                        OffsetDateTime.of(fromDate, ZoneId.of("Europe/Berlin").getRules().getOffset(fromDate)),
+                        OffsetDateTime.of(toDate, ZoneId.of("Europe/Berlin").getRules().getOffset(toDate))
+                ).onSuccess(scheduledEvent -> {
+                    interactionHook.editOriginal("Urlaub erstellt!").queue();
+                })
+                .onErrorMap(throwable -> {
+                    interactionHook.editOriginal("Urlaub konnte nicht erstellt werden!").queue();
+                    return null;
+                })
+                .queue();
+    }
+
+    private void deleteVacation(SlashCommandInteractionEvent event) {
+        InteractionHook interactionHook = event.deferReply(true).complete();
+        String eventId = event.getOption("vacation").getAsString();
+        ScheduledEvent scheduledEvent = guild.getScheduledEventById(eventId);
+        if (scheduledEvent == null) {
+            interactionHook.editOriginal("Konnte den Urlaub nicht finden!").queue();
+            return;
+        }
+        scheduledEvent.delete()
+                .onSuccess(unused -> {
+                    interactionHook.editOriginal("Urlaub gelöscht!").queue();
+                })
+                .onErrorMap(throwable -> {
+                    interactionHook.editOriginal("Urlaub konnte nicht gelöscht werden!").queue();
+                    return null;
+                })
+                .queue();
+    }
+
+    @Override
+    public void onCommandAutoCompleteInteraction(@NotNull CommandAutoCompleteInteractionEvent event) {
+        if (!event.getName().equals("vacation")) return;
+        switch (event.getFocusedOption().getName()) {
+            case "vacation":
+                listVacations(event);
+                break;
+            default:
+                break;
+        }
+    }
+
+    private void listVacations(CommandAutoCompleteInteractionEvent event) {
+        String vacation = event.getOption("vacation").getAsString();
+        List<Command.Choice> choices = guild.getScheduledEvents()
+                .stream()
+                .filter(scheduledEvent -> scheduledEvent.getLocation().equals(event.getMember().getId()))
+                .map(scheduledEvent -> {
+                    StringBuilder st = new StringBuilder();
+                    st.append(String.format("%02d", scheduledEvent.getStartTime().getDayOfMonth())).append(".");
+                    st.append(String.format("%02d", scheduledEvent.getStartTime().getMonthValue())).append(".");
+                    st.append(scheduledEvent.getStartTime().getYear());
+                    st.append(" - ");
+                    st.append(String.format("%02d", scheduledEvent.getEndTime().getDayOfMonth())).append(".");
+                    st.append(String.format("%02d", scheduledEvent.getEndTime().getMonthValue())).append(".");
+                    st.append(scheduledEvent.getEndTime().getYear());
+                    return Pair.of(scheduledEvent, st.toString());
+                })
+                .filter(pair -> pair.right().startsWith(vacation))
+                .limit(25)
+                .map(pair -> {
+                    return new Command.Choice(pair.right(), pair.left().getId());
+                })
+                .collect(Collectors.toList());
+        event.replyChoices(choices)
+                .queue();
+    }
+}
diff --git a/VelocityCore/src/de/steamwar/velocitycore/discord/listeners/ChannelListener.java b/VelocityCore/src/de/steamwar/velocitycore/discord/listeners/ChannelListener.java
index bebf194c..bfecf313 100644
--- a/VelocityCore/src/de/steamwar/velocitycore/discord/listeners/ChannelListener.java
+++ b/VelocityCore/src/de/steamwar/velocitycore/discord/listeners/ChannelListener.java
@@ -70,6 +70,7 @@ public class ChannelListener extends ListenerAdapter {
 
     @Override
     public void onSlashCommandInteraction(@NotNull SlashCommandInteractionEvent event) {
+        if (event.getGuild().getIdLong() == 1241489896909180998L) return;
         InteractionReply.reply(event, sender -> {
             if(sender.user().getDiscordId() == null)
                 return;