This chiaroscuro woodcut portrays Hercules’s heroic battle against Cacus, a murderous, flame-breathing giant. Cacus has fallen onto the bones of his victims. As a last defense, he blows fire at Hercules, who heaves his club overhead to strike a deadly blow. Goltzius portrayed the lead-up to the fight in the background, where Hercules rolls away a boulder at the cavern’s entrance, setting free a small herd of cows that Cacus had stolen. The vivid color combination of yellow and olive green helps energize this dramatic moment.