Find the name of an Asian sword movie

Hi, I saw a movie that I do not remember the name of, it was an Asian movie (Chinese or Japanese or Korean – almond eyes), it was old-fashioned, the movie was like this: a peak or a city is going to be attacked The number of enemy people is very large (not a red cliff), a man comes to the aid of that city, in one of the scenes I remember that man tying a piece of cloth to a slingshot to increase the length of that arrow, and I remember There was a shortage of food in the city, a food thief was arrested at night and they wanted to execute him, but the man stopped him and .. Please help