They also watched as many sword fights from previous films to see how they could improve on those .
Anderson encouraged the two to learn the other 's choreography for the fight , as to help them anticipate the movements and avoid an accident .
other also watched as many sword fights from previous films to see how they could improve on those .
Anderson encouraged the two to learn the other 's choreography for the fight , as to help them anticipate the movements and avoid an accident .