A lot of things.

app/Policies/EntryPolicy.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace App\Policies;
+
+use App\Models\Entry;
+use App\Auth\XenForoUser as User;
+use Illuminate\Auth\Access\Response;
+
+class EntryPolicy
+{
+
+    public function view(User $user): bool
+    {
+        if( $user->_can( 'romhackplaza', 'view' ) )
+            return true;
+
+        return false;
+    }
+
+    public function create(User $user, ?Entry $entry = null ): bool
+    {
+        return $user->_can( 'romhackplaza', 'canSubmitEntry' );
+    }
+
+    /**
+     * Determine whether the user can update the model.
+     */
+    public function update(User $user, Entry $entry): bool
+    {
+        if( $user->_can('romhackplaza', 'canEditOthersEntries') )
+            return true;
+
+        if( $user->_can( 'romhackplaza', 'canEditMyEntries' ) && $entry->user_id === $user->user_id )
+            return true;
+
+        return false;
+    }
+
+}