Trojan War was reunited with Menelaus. Proteus also told Menelaus that he was destined for Elysium (Heaven) after his death. Menelaus returned to Sparta with Helen eight years after he had left Troy. Agamemnon returned home with Cassandra to Argos. His wife Clytemnestra (Helen's sister) was having an affair with Aegisthus, son of Thyestes, Agamemnon's cousin who had conquered Argos before Agamemnon himself retook it. Possibly out of vengeance for the death of Iphigenia, Clytemnestra plotted with her lover to kill Agamemnon. Cassandra foresaw this murder, and warned Agamemnon, but he disregarded her. He was killed, either at a feast or in
History of Sparta or expert advice. By 408 the Great King had perceived that the agreement with the Spartans was not being implemented. He sent his brother, Cyrus the younger, to relieve Tissaphernes of his command of Lydia. Tissaphernes was pushed aside to the governorship of Caria. Exposed, Alcibiades departed for Athens in 407. In his place Sparta sent an agent of similar capabilities, a friend of King Agis, Lysander, who as "a diplomat and organizer ... was almost flawless, unless we count arrogance, dishonesty, unscrupulousness and brutality as flaws." He and Cyrus got along well. Upgrade of the Spartan fleet proceeded rapidly.