In domestic wuxia movies, scenes of black boots in ancient costumes trampling on bad guys were not very common, but it was not uncommon. Some domestic martial arts films might set up some stepping scenes in the plot, and black boots stepping on bad guys was a more common way. However, this kind of scene might not be very common because there were many styles and types of domestic martial arts films. Different directors and screenwriters might have different creative methods and preferences. If you wanted to find some classic scenes of stepping on people, you could try searching for some classic domestic martial arts movies such as Huashan Sword Contest, Di Renjie's God Du Longwang, etc.