Themistocles and the Athenians rally their fleet against the Persians in the first battle of Artemisium. Before the battle, Themistocles discovers that Calisto has disobeyed his father and infiltrated the army. Themistocles is impressed and promises to watch out for him. When the battle commences, Artemisia commands her general to humiliate the Greeks. The Greeks however know of a weak spot within the Persian ships; the sides. The Athenians promptly ram their ships into the Persians, gaining the upper hand. Their formation of triremes proves unassailable. Eventually Artemisia grows weary of the battle and decides to let the Greeks enjoy their small victory. Artemisia has her general cuffed and thrown overboard for his incompetence, and recruits another in his place. However, this general fails when Themistocles lures him into a narrow straight, allowing the Athenians to ambush the Persians and gain another victory.. 300: Rise of an Empire (2014) cast and crew credits, including actors, actresses, directors, writers and more.. 300: Rise of an Empire is a 2014 American period action film directed by Noam Murro. It is a sequel to the 2006 film 300, taking place before, during, and after the main events of that film, and is very loosely based on the Battle of Artemisium and the Battle of Salamis with considerable altering of historical facts. It is based on the Frank .