private void Update()
 {
     enemies = FindObjectsOfType <Enemy>();
     if (enemies.Length <= 0)
     {
         PortalToHub.SetActive(true);
     }
 }
        private void Awake()
        {
            if (dungeonSystem == null)
            {
                dungeonSystem = FindObjectOfType <DungeonCardSystem>();
            }

            PortalToHub.SetActive(false);
        }