Well, I went into this movie expecting nothing more than a silly action movie, however I came out with some very important life lessons.
1. When ever surrounded by a circle of enemies, up to 700, ducking and spinning will cause them to all shoot and/or stab each other.
2. If the end of a movie is lacking in luster or tension, simply turn off the lights and light your sword on fire. This will immediately cancel out any previous flaws in the movie.
3. If you look good naked in the beginning of the movie, there is no need to act for the rest of the film.
4. You know that it is a quality film when it takes almost half of the movie for you to figure out that the main characters are vampires, as evidenced by showing their protruding fangs a lot.
Hope this helps you make up your mind about this movie. Was this based on a comic book or something? I got the feeling that there was a whole bunch of back story that I was missing.