diff --git a/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/bloodmoon/Bloodmoon.java b/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/bloodmoon/Bloodmoon.java
index bdc3976..f025005 100644
--- a/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/bloodmoon/Bloodmoon.java
+++ b/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/bloodmoon/Bloodmoon.java
@@ -34,7 +34,6 @@ import java.util.concurrent.ThreadLocalRandom;
 @SuppressWarnings("FieldCanBeLocal")
 public class Bloodmoon extends Appliance {
     // für alle Dimensionen? einstellbar machen?
-    // TODO: Bossbar muss kleiner werden
 
     public final Map<EntityType, Set<MobEffect>> affectedMobEffectMap = Map.of(
         EntityType.ZOMBIE, Set.of(
@@ -91,6 +90,7 @@ public class Bloodmoon extends Appliance {
         EntityType.SPIDER
     );
     private final Map<Player, @Nullable BukkitTask> hordeSpawnTasks = new HashMap<>();
+    private long lastBloodmoonStartTick = 0;
     public final int ticksPerDay = 24000;
     public final int bloodmoonLength = ticksPerDay/2;
     private final int bloodmoonFreeDaysAtStart = 3;
@@ -115,7 +115,8 @@ public class Bloodmoon extends Appliance {
         return this.isActive;
     }
 
-    public void startBloodmoon() {
+    public void startBloodmoon(long startTick) {
+        this.lastBloodmoonStartTick = startTick;
         this.isActive = true;
         Bukkit.getOnlinePlayers().forEach(this::addPlayerToBossBar);
         this.startHordeSpawning(this.getRandomHordeSpawnDelay());
@@ -128,6 +129,14 @@ public class Bloodmoon extends Appliance {
         this.sendStopMessages();
     }
 
+    public void updateBossBar() {
+        long tick = Bukkit.getWorlds().getFirst().getFullTime();
+        long sinceStart = tick - this.lastBloodmoonStartTick;
+        float progress = 1f - ((float) sinceStart / this.bloodmoonLength);
+        if(progress < 0) progress = 1f;
+        this.bossBar.progress(progress);
+    }
+
     public boolean isStartTick(long tick) {
         long day = tick / this.ticksPerDay;
         if(day % this.bloodmoonDayInterval != 0 || day - this.bloodmoonFreeDaysAtStart <= 0) return false;
@@ -150,8 +159,7 @@ public class Bloodmoon extends Appliance {
                 Main.instance(),
                 () -> {
                     if(!this.bloodmoonIsActive()) return;
-                    // TODO: Nur für den speziellen Spieler
-                    this.spawnRandomHorde();
+                    this.spawnRandomHorde(player);
                     this.startHordeSpawning(this.getRandomHordeSpawnDelay(), player);
                 },
                 delay
@@ -176,15 +184,10 @@ public class Bloodmoon extends Appliance {
         );
     }
 
-    public void spawnRandomHorde() {
-        if(Bukkit.getOnlinePlayers().isEmpty()) return;
+    public void spawnRandomHorde(Player player) {
         if(!this.hordesEnabled) return;
-        List<? extends Player> onlinePlayerList = Bukkit.getOnlinePlayers().stream()
-            .filter(this::getBloodmoonSetting)
-            .filter(player -> player.getGameMode().equals(GameMode.SURVIVAL))
-            .toList();
+        if(!player.getGameMode().equals(GameMode.SURVIVAL)) return;
         ThreadLocalRandom random = ThreadLocalRandom.current();
-        Player player = onlinePlayerList.get(random.nextInt(onlinePlayerList.size()));
         EntityType hordeEntityType = this.hordeMobList.get(random.nextInt(this.hordeMobList.size()));
         int hordeSize = random.nextInt(this.hordeMinPopulation, this.hordeMaxPopulation + 1);
         this.spawnHorde(player, hordeSize, hordeEntityType);
diff --git a/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/bloodmoon/commands/BloodmoonCommand.java b/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/bloodmoon/commands/BloodmoonCommand.java
index 30540ad..42a788c 100644
--- a/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/bloodmoon/commands/BloodmoonCommand.java
+++ b/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/bloodmoon/commands/BloodmoonCommand.java
@@ -23,7 +23,7 @@ public class BloodmoonCommand extends ApplianceCommand<Bloodmoon> {
 
         switch(args[0]) {
             case "start": {
-                this.getAppliance().startBloodmoon();
+                this.getAppliance().startBloodmoon(0L);
                 sender.sendMessage("Started bloodmoon.");
                 break;
             }
diff --git a/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/bloodmoon/listener/BloodmoonTimeListener.java b/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/bloodmoon/listener/BloodmoonTimeListener.java
index 13325e3..374d1e2 100644
--- a/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/bloodmoon/listener/BloodmoonTimeListener.java
+++ b/craftattack/src/main/java/eu/mhsl/craftattack/spawn/craftattack/appliances/gameplay/bloodmoon/listener/BloodmoonTimeListener.java
@@ -9,19 +9,21 @@ import org.bukkit.event.EventHandler;
 public class BloodmoonTimeListener extends ApplianceListener<Bloodmoon> {
     @EventHandler
     public void onServerTick(ServerTickStartEvent event) {
-        if(this.getAppliance().isStartTick(Bukkit.getWorlds().getFirst().getFullTime())) {
-            this.getAppliance().startBloodmoon();
+        long currentTime = Bukkit.getWorlds().getFirst().getFullTime();
+        if(this.getAppliance().isStartTick(currentTime)) {
+            this.getAppliance().startBloodmoon(currentTime);
             return;
         }
-        if(this.getAppliance().isStartTick(Bukkit.getWorlds().getFirst().getFullTime() - this.getAppliance().bloodmoonLength)) {
+        if(this.getAppliance().isStartTick(currentTime - this.getAppliance().bloodmoonLength)) {
             this.getAppliance().stopBloodmoon();
             return;
         }
-        if(this.getAppliance().isStartTick(Bukkit.getWorlds().getFirst().getFullTime() + this.getAppliance().ticksPerDay)) {
+        this.getAppliance().updateBossBar();
+        if(this.getAppliance().isStartTick(currentTime + this.getAppliance().ticksPerDay)) {
             this.getAppliance().sendAnnouncementMessages();
             return;
         }
-        if(this.getAppliance().isStartTick(Bukkit.getWorlds().getFirst().getFullTime() + 1000)) {
+        if(this.getAppliance().isStartTick(currentTime + 1000)) {
             this.getAppliance().sendPreStartMessages();
         }
     }