What does Agamemnon carry in his arms as he enters?

As Agamemnon enters, he carries the spoils of war, specifically the captive woman Cassandra, who has been taken from Troy. This act symbolizes his triumph but also foreshadows tragedy, as Cassandra's presence is a harbinger of doom for Agamemnon and his household. The act of bringing her home illustrates the complexities of victory and the consequences that follow.