who would win, xiaolongnu with her twin swords and exceptional speed or Seta Sōjirō of rurouni kenshin/samurai x with his faster then the eye can see speed and kenjutsu
seta sojiro was so fast he could avoid the all powerful nine dragon slash from kenshin. his lack of emotion was also his strengt as his opponents couldn't read his facial expression to know when he will attack.
xiaolongnu is also known for her emotionless nature and had incredible speed.
your pick.