diff --git a/eco-core/core-plugin/src/main/java/com/willfp/ecobosses/bosses/LivingEcoBoss.java b/eco-core/core-plugin/src/main/java/com/willfp/ecobosses/bosses/LivingEcoBoss.java
index 76fdf28..fac1dee 100644
--- a/eco-core/core-plugin/src/main/java/com/willfp/ecobosses/bosses/LivingEcoBoss.java
+++ b/eco-core/core-plugin/src/main/java/com/willfp/ecobosses/bosses/LivingEcoBoss.java
@@ -8,6 +8,7 @@ import com.willfp.eco.util.StringUtils;
 import com.willfp.ecobosses.bosses.effects.Effect;
 import com.willfp.ecobosses.bosses.tick.BossTicker;
 import com.willfp.ecobosses.bosses.tick.tickers.BossBarTicker;
+import com.willfp.ecobosses.bosses.tick.tickers.ChunkLoadTicker;
 import com.willfp.ecobosses.bosses.tick.tickers.HealthPlaceholderTicker;
 import com.willfp.ecobosses.bosses.tick.tickers.TargetTicker;
 import com.willfp.ecobosses.bosses.util.obj.OptionedSound;
@@ -23,9 +24,7 @@ import org.bukkit.persistence.PersistentDataType;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.ArrayList;
-import java.util.HashSet;
 import java.util.List;
-import java.util.Set;
 import java.util.UUID;
 import java.util.concurrent.atomic.AtomicLong;
 
@@ -77,6 +76,7 @@ public class LivingEcoBoss extends PluginDependent {
         this.tickers = new ArrayList<>();
         this.tickers.add(new HealthPlaceholderTicker());
         this.tickers.add(new TargetTicker(boss.getTargetMode(), boss.getTargetDistance()));
+        this.tickers.add(new ChunkLoadTicker());
         if (boss.isBossbarEnabled()) {
             this.tickers.add(
                     new BossBarTicker(
diff --git a/eco-core/core-plugin/src/main/java/com/willfp/ecobosses/bosses/listeners/AutoSpawnTimer.java b/eco-core/core-plugin/src/main/java/com/willfp/ecobosses/bosses/listeners/AutoSpawnTimer.java
index 44243b4..e3982e0 100644
--- a/eco-core/core-plugin/src/main/java/com/willfp/ecobosses/bosses/listeners/AutoSpawnTimer.java
+++ b/eco-core/core-plugin/src/main/java/com/willfp/ecobosses/bosses/listeners/AutoSpawnTimer.java
@@ -3,6 +3,7 @@ package com.willfp.ecobosses.bosses.listeners;
 import com.willfp.eco.util.NumberUtils;
 import com.willfp.ecobosses.bosses.EcoBoss;
 import com.willfp.ecobosses.bosses.EcoBosses;
+import com.willfp.ecobosses.bosses.util.BossUtils;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.World;
@@ -35,9 +36,10 @@ public class AutoSpawnTimer implements Runnable {
             for (UUID uuid : boss.getLivingBosses().keySet()) {
                 Entity entity = Bukkit.getEntity(uuid);
 
-                if (entity != null) {
-                    worlds.add(entity.getWorld());
-                }
+                BossUtils.warnIfNull(entity);
+                assert entity != null;
+
+                worlds.add(entity.getWorld());
             }
 
             List<Location> locations = new ArrayList<>(boss.getAutoSpawnLocations());
diff --git a/eco-core/core-plugin/src/main/java/com/willfp/ecobosses/bosses/tick/tickers/ChunkLoadTicker.java b/eco-core/core-plugin/src/main/java/com/willfp/ecobosses/bosses/tick/tickers/ChunkLoadTicker.java
new file mode 100644
index 0000000..65f4d4a
--- /dev/null
+++ b/eco-core/core-plugin/src/main/java/com/willfp/ecobosses/bosses/tick/tickers/ChunkLoadTicker.java
@@ -0,0 +1,27 @@
+package com.willfp.ecobosses.bosses.tick.tickers;
+
+import com.willfp.ecobosses.bosses.EcoBoss;
+import com.willfp.ecobosses.bosses.tick.BossTicker;
+import org.bukkit.Chunk;
+import org.bukkit.entity.LivingEntity;
+import org.jetbrains.annotations.NotNull;
+
+public class ChunkLoadTicker implements BossTicker {
+    /**
+     * Create new chunk load ticker.
+     */
+    public ChunkLoadTicker() {
+    }
+
+    @Override
+    public void tick(@NotNull final EcoBoss boss,
+                     @NotNull final LivingEntity entity,
+                     final long tick) {
+        if (tick % 10 == 0) {
+            Chunk chunk = entity.getLocation().getChunk();
+            if (!chunk.isLoaded()) {
+                chunk.load();
+            }
+        }
+    }
+}
diff --git a/eco-core/core-plugin/src/main/java/com/willfp/ecobosses/bosses/util/BossUtils.java b/eco-core/core-plugin/src/main/java/com/willfp/ecobosses/bosses/util/BossUtils.java
index 5668e70..eb11313 100644
--- a/eco-core/core-plugin/src/main/java/com/willfp/ecobosses/bosses/util/BossUtils.java
+++ b/eco-core/core-plugin/src/main/java/com/willfp/ecobosses/bosses/util/BossUtils.java
@@ -166,7 +166,21 @@ public class BossUtils {
             return;
         }
 
-        PLUGIN.getLogger().severe("Not-Null boss is null! Generating stacktrace.");
-        throw new NullPointerException("Not-Null boss is null!");
+        PLUGIN.getLogger().severe("Boss is null! Report this to Auxilor (https://discord.gg/ZcwpSsE)");
+        PLUGIN.getLogger().severe("Send this stack-trace in the relevant channel.");
+        throw new NullPointerException("Boss is null!");
+    }
+
+    /**
+     * Warn if an entity is null.
+     */
+    public void warnIfNull(@Nullable final Entity entity) {
+        if (entity != null) {
+            return;
+        }
+
+        PLUGIN.getLogger().severe("Entity is null! Report this to Auxilor (https://discord.gg/ZcwpSsE)");
+        PLUGIN.getLogger().severe("Send this stack-trace in the relevant channel.");
+        throw new NullPointerException("Entity is null!");
     }
 }