 Dilios , now back at Sparta , concludes his tale before the Council . Inspired by their King 's sacrifice , the Persians will now face a larger Greek army 40 @,@ 000 strong , led by 10 @,@ 000 Spartans . After one final speech commemorating the 300 , Dilios , now head of the Spartan Army , leads them into battle against the Persians across the fields of Plataea , ending the film . 
