You also have a range advantage coming up. Your arm and the end of your sword can more easily reach the feet and lower legs of something above you. Whereas co

You also have a range advantage coming up. Your arm and the end of your sword can more easily reach the feet and lower legs of something above you. Whereas coming down the stairs, you have a harder time getting your sword to reach someone coming up because your range is reduced due to the height of your body.