diff --git a/event-loop/src/main/java/mc/core/events/EventPipelineTask.java b/event-loop/src/main/java/mc/core/events/EventPipelineTask.java
index a071f58..53eafe4 100644
--- a/event-loop/src/main/java/mc/core/events/EventPipelineTask.java
+++ b/event-loop/src/main/java/mc/core/events/EventPipelineTask.java
@@ -5,6 +5,7 @@ import lombok.RequiredArgsConstructor;
 import lombok.Setter;
 import lombok.extern.slf4j.Slf4j;
 import mc.core.events.api.EventQueueOwner;
+import mc.core.events.api.LockableResource;
 import mc.core.events.lock.LockObserveList;
 import mc.core.events.runner.EventExecutorService;
 import mc.core.events.runner.ResourceRunnable;
@@ -75,6 +76,9 @@ public class EventPipelineTask {
         if (handler.isPluginSynchronize())
             locks.add(manager.getResourceManager().getPluginLock(handler.getPlugin()));
 
+        for (LockableResource resource : handler.getLock()) {
+            locks.addAll(manager.getResourceManager().getAnnotationLocks(resource, event));
+        }
 
         return locks;
     }
diff --git a/event-loop/src/main/java/mc/core/events/SharedResourceManager.java b/event-loop/src/main/java/mc/core/events/SharedResourceManager.java
index 45f6e1a..8fb486f 100644
--- a/event-loop/src/main/java/mc/core/events/SharedResourceManager.java
+++ b/event-loop/src/main/java/mc/core/events/SharedResourceManager.java
@@ -1,8 +1,11 @@
 package mc.core.events;
 
+import mc.core.events.api.LockableResource;
 import mc.core.events.api.Plugin;
 import mc.core.events.lock.PoorMansLock;
 
+import java.util.Collection;
+import java.util.Collections;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
@@ -13,4 +16,9 @@ public class SharedResourceManager {
         return pluginLocks.computeIfAbsent(plugin, s -> new PoorMansLock());
     }
 
+    public Collection<PoorMansLock> getAnnotationLocks(LockableResource resource, Event event) {
+        // TODO: Implement
+        return Collections.emptyList();
+    }
+
 }
diff --git a/event-loop/src/main/java/mc/core/events/api/LockableResource.java b/event-loop/src/main/java/mc/core/events/api/LockableResource.java
index f6408c7..5b86b0a 100644
--- a/event-loop/src/main/java/mc/core/events/api/LockableResource.java
+++ b/event-loop/src/main/java/mc/core/events/api/LockableResource.java
@@ -2,5 +2,9 @@ package mc.core.events.api;
 
 public enum LockableResource {
     PLAYER,
-    WORLD;
+    PLAYER_WORLD,
+    EVENT_LOCATION_WORLD,
+    EVENT_WORLD
+
+    // TODO: Add entity-related constants
 }
diff --git a/event-loop/src/main/java/mc/core/events/lock/LockObserveList.java b/event-loop/src/main/java/mc/core/events/lock/LockObserveList.java
index cf3ba5d..6fe8efa 100644
--- a/event-loop/src/main/java/mc/core/events/lock/LockObserveList.java
+++ b/event-loop/src/main/java/mc/core/events/lock/LockObserveList.java
@@ -18,6 +18,11 @@ public class LockObserveList implements Consumer<PoorMansLock> {
         lock.addCallback(this);
     }
 
+    public void addAll(Iterable<PoorMansLock> locks) {
+        for (PoorMansLock lock : locks)
+            add(lock);
+    }
+
     public void release() {
         for (PoorMansLock lock : locks) {
             lock.removeCallback(this);