In epic battles of good vs. evil, the outcome often comes down to a one-on-one combat. A duel if you will. Historically, duels have been fought to settle a disagreement: Don't like what someone called your mother? Out come the swords! Fantasy movies, as it happens, have some of the best duels — and the best reasons for fighting them.
via Mary Robinette Kowal – The Top Ten Fantasy Duels – SciFi Scanner – AMC.