Eris, the Goddess of discord, is featured as a character in the series. She is portrayed as a valley girl and speaks using jargon from the 1980's. Her core mythological elements as a goddess of chaos and strife and her symbol of the golden apple remain in tact.
The Sicarii, a clandestine faction opposed to Roman rule, begin targeting collaborators and Romans. The Sicarii, like other groups of Zealots, hoped to inspire a popular uprising against the Romans. For a short time, Jerusalem is liberated from the Romans.
All of the Titans are disappearing. The Titans don't know who is behind what's happening and they began to question if Control Freak had anything to do with it.