Europa closed her eyes. Observing is the watcher's role, and making judgments is what Jupiter does. It was Europa's role to wait for the right time without being distracted. The Angel of the judgment, who acts on behalf of the heavenly Punishment, waited for the day to come as she prepared her Spear.
She is the Spear of Jupiter. It is the meaning of her existence that she must follow his will and open the path for him. Even if she has fallen, nobody can stop her Spear.