 The Gauls and their hero Crixus stand out in the Battle of Ticinus.Jupiter calls Mars to help the young Scipio after his father is killed, and he withdraws the troops to the river Trebia, where there is a large battle in which the Carthaginians prevail and the river attacks Scipio until it is burned up by Vulcan.Juno appears as the god of Lake Trasimene and tells Hannibal to march there.