Iris told Turnus that Aeneas was far away collecting an army of Lydians and that Turnus should seize the camp. What does Turnus do after Iris comes to him that is pious? Scoops up water from the river and prayed and vowed to the gods.

What trick does Juno use to get Turnus to safety?

Jupiter, waiving his rule against intervention, allows Juno to save Turnus by creating a shadow-Aeneas as a diversion.

How does Juno help Turnus escape from battle?

The Trojans manage to stop Turnus's progress. Jove sends Iris down to tell Turnus to leave, because Juno can't disobey Jove by continuing to help him. Unable to fight any longer, he escapes by jumping into the Tiber.