Since the film was shot almost entirely on green screens, you can discuss how the artificiality of the environment reflects the disconnect between history and myth. The Spartans aren't fighting in Greece; they are fighting in a dreamscape of Greek identity. Suggested Title for the Essay:
However, if you want to write a "deep essay" on the actual subject—the 2006 film — Thesis Idea: The Hyper-Realism of Myth 300_-_Trecento_HD_cb01_legal_2006
Does this angle work for what you're looking for, or were you hoping to focus more on the itself? Since the film was shot almost entirely on