In Aeschylus’ The Eumenides , the final play of the Oresteia trilogy , Orestes is tormented by the Furies after avenging his father, Agamemnon, by killing his mother, Clytemnestra. Seeking refuge at the temple of Apollo in Delphi, he is guided to Athens, where he faces trial for his actions. The goddess Athena intervenes, establishing a court to judge Orestes, symbolizing the shift in Greece from personal vendetta to a structured legal system.