all motion blur does is make a "blur" when you make movements, causing the illusion of smoothness. because, you mainly lag when you turn your screen, but by blurring it, it makes it even more smoother. the quality does not change at all, just letting you know that. it's literally the same as my 165 fps blur I had 2 months ago but a little choppier. , eternal towers of hell, etoh, jtoh