 The army meets Hypsipyle who shows them a spring then tells them the story of the Women of Lemnos (Book 5).While she is speaking, her ward, Opheltes, is killed by a snake; in Book 6, the Argives perform games for the dead child, instituting the Nemean Games.In 7, Jupiter urges the Argives to march on Thebes where battle breaks out during which Amphiaraus is swallowed in the earth.