Oedipus at Colonus characters Ismene
Oedipus at Colonus (also Oedipus Coloneus; Ancient Greek: Οἰδίπους ἐπὶ Κολωνῷ, Oidipous epi Kolōnōi) is the last of the three Theban plays of the Athenian tragedian Sophocles.  It was written shortly before Sophocles's death in 406 BC and produced by his grandson (also called Sophocles) at the Festival of Dionysus in 401 BC.
In the timeline of the plays, the events of Oedipus at Colonus occur after Oedipus Rex and before Antigone; however, it was the last of Sophocles's three Theban plays to be written. The play describes the end of Oedipus's tragic life. Legends differ as to the site of Oedipus's death; Sophocles set the place at Colonus, a village near Athens and also Sophocles's own birthplace, where the blinded Oedipus has come with his daughters Antigone and Ismene as suppliants of the Erinyes and of Theseus, the king of Athens.A possible heroic interpretation of Oedipus
Darice Birge has argued that Oedipus at Colonus can be interpreted as a heroic narrative of Oedipus rather than a tragic one. It can be viewed as developing a transition from the Oedipus of Oedipus Rex whose acts were abominable enough to make him a pollution to his city, to an Oedipus whose presence is so powerful a blessing that it is sought after by both Thebes and Athens. The major image used to show this transition from exile to hero is Oedipus's relationship with the sacred grove of the Erinyes. At the beginning of the play, Oedipus has to be led through the grove by Antigone and is only allowed to go through it because as a holy place it is an asylum for beggars. He recognizes the grove as the location once described to him in a prophecy as his final resting place. When Elders come looking for him, Oedipus enters the grove. This act, according to Birge, is his first act as a hero. He has given up his habit of trying to oppose divine will (as was his wont in Oedipus Rex) and prophecies, and accepts this grove as the place of his death. Oedipus then hints at the divine gift that is his body, which will bring success to those who accept him and suffering to those who turned him away. When Oedipus's daughter Ismene arrives, she brings news that Thebes, the city that once exiled Oedipus as a pollution, wants him back as a blessing. Ismene assists Oedipus's transformation into a hero when she performs a ritual atonement to the Erinyes on his behalf, but his status is fully cemented when he chooses a hidden part of the sacred grove as his final resting place, which even his daughters are forbidden to know.
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