The sweeping action is as good as the individual battles, and single combat is exciting with every thrust and parry. Plus, we get to see examples of spear fighting, which is rare in the cinematic [ancient world / medieval] universe.
Now that it's been over 12 years, I think we're ready for the Odyssey. Just ask Penelope.
However, it fails to want to "adapt" the story of the Iliad in addition to presenting some flat characters that come and go without pain or glory in the film.