The 13th Warrior (DVD, 2000)

Antonio Banderas is an important ambassador who is banished from his homeland for having an affair with the King's wife. During his travels he comes across a band of warriors who are being attacked by mysterious and ferocious creatures legendary for consuming every living thing in their path. An old fortune-teller warns the warriors that they will fail unless they are accompanied on their journey by a 13th warrior to help fight and conquer the mysterious enemy that is threatening their homeland.