Left alone with Agamemnon, Calchas entreats him to submit to the will of the gods.
Calchas told the Greeks that Troy would never be taken unless Achilles went with them.
The scholar will readily call to mind a Calchas, a Chryses, and others.
Then the seer, Calchas, advised the king to sacrifice his daughter in order to appease the wrath of Diana.
Calchas then told them of the anger of the goddess and bade them sacrifice Iphigeneia to Artemis.
