I'm sure someone has given the oldboy hallway fight but that movie is so good it needs reposting
If the scene alone doesn't strike you as particularly epic (which it should), just watch the movie. In proper context it'll blow your pants off.
Also, there's a movie that just came out (Europe only I think) called the Black Death with Sean Bean. It's about some Christian inquisitors who are tasked with torturing the leader of a pagan village that is untouched by the plague. About halfway through, there is an ABSOLUTELY FUCKING BRILLIANT fight scene. The movie is pretty decent as well. Sorry but can't find a clip
And then there's this...