Volcanology that Hephaestus, the god of fire, sat below the volcano Etna, forging the weapons of Zeus. The Greek word used to describe volcanoes was "etna", or "hiera", after Heracles, the son of Zeus. The Roman poet Virgil, in interpreting the Greek mythos, held that the giant Enceladus was buried beneath Etna by the goddess Athena as punishment for rebellion against the gods; the mountain's rumblings were his tormented cries, the flames his breath and the tremors his railing against the bars of his prison. Enceladus' brother Mimas was buried beneath Vesuvius by Hephaestus, and the blood of other defeated giants
Temple of Hephaestus Nikai, the two ensembles are dated to ca. 430 and ca. 420–413 B.C. respectively. The frieze of the pronaos depicts a scene from the battle of Theseus with the Pallantides in the presence of gods while the frieze of the opisthodomos shows the battle of Centaurs and Lapiths. Only 18 of the 68 metopes of the temple of Hephaestus were sculptured, concentrated especially on the east side of the temple; the rest were perhaps painted. The ten metopes on the east side depict the Labours of Heracles. The four easternmost metopes on the long north and south sides depict the