diff --git a/server/src/main/java/dev/plex/listener/impl/CombatListener.java b/server/src/main/java/dev/plex/listener/impl/CombatListener.java
new file mode 100644
index 0000000..e067da7
--- /dev/null
+++ b/server/src/main/java/dev/plex/listener/impl/CombatListener.java
@@ -0,0 +1,24 @@
+package dev.plex.listener.impl;
+
+import dev.plex.listener.PlexListener;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.entity.EntityDamageByEntityEvent;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class CombatListener extends PlexListener
+{
+    public List<String> blockedPlayers = new ArrayList<>();
+
+    @EventHandler(priority = EventPriority.LOW)
+    public void onEntityDamageByEntity(EntityDamageByEntityEvent event) {
+        if (event.getEntity() instanceof Player target && event.getDamager() instanceof Player attacker) {
+            if (blockedPlayers.contains(target.getName()) || blockedPlayers.contains(attacker.getName())) {
+                event.setCancelled(true);
+            }
+        }
+    }
+}