diff --git a/Engine.Core/Helpers/Event.cs b/Engine.Core/Helpers/Event.cs
index 56fe54b..391ca09 100644
--- a/Engine.Core/Helpers/Event.cs
+++ b/Engine.Core/Helpers/Event.cs
@@ -3,10 +3,10 @@ using System.Collections.Generic;
 
 namespace Syntriax.Engine.Core;
 
-public class Event
+public class Event(int initialListenerCount = 4, int initialOnceListenerCount = 2)
 {
-    private readonly List<EventHandler> listeners = new(4);
-    private readonly List<EventHandler> onceListeners = new(2);
+    private readonly List<EventHandler> listeners = new(initialListenerCount);
+    private readonly List<EventHandler> onceListeners = new(initialOnceListenerCount);
 
     public void AddListener(EventHandler listener) => listeners.Add(listener);
     public void AddOnceListener(EventHandler listener) => onceListeners.Add(listener);
@@ -38,10 +38,10 @@ public class Event
     public delegate void EventHandler();
 }
 
-public class Event<TSender>
+public class Event<TSender>(int initialListenerCount = 4, int initialOnceListenerCount = 2)
 {
-    private readonly List<EventHandler> listeners = new(4);
-    private readonly List<EventHandler> onceListeners = new(2);
+    private readonly List<EventHandler> listeners = new(initialListenerCount);
+    private readonly List<EventHandler> onceListeners = new(initialOnceListenerCount);
 
     public void AddListener(EventHandler listener) => listeners.Add(listener);
     public void AddOnceListener(EventHandler listener) => onceListeners.Add(listener);
@@ -73,10 +73,10 @@ public class Event<TSender>
     public delegate void EventHandler(TSender sender);
 }
 
-public class Event<TSender, TArguments>
+public class Event<TSender, TArguments>(int initialListenerCount = 4, int initialOnceListenerCount = 2)
 {
-    private readonly List<EventHandler> listeners = new(4);
-    private readonly List<EventHandler> onceListeners = new(2);
+    private readonly List<EventHandler> listeners = new(initialListenerCount);
+    private readonly List<EventHandler> onceListeners = new(initialOnceListenerCount);
 
     public void AddListener(EventHandler listener) => listeners.Add(listener);
     public void AddOnceListener(EventHandler listener) => onceListeners.Add(listener);