In fact, Ma Nanji still thought that Musheng was joking.
In modern society, people's imaginations about ancient martial arts exist only within the descriptions of various novels. Nowadays, nearly all major Ancient Martial Families have been incorporated by the state. Even those not under state control have become hermit families. Because of protection policies, other families will severely crack down on any Ancient Martial Family that does not belong to the state and yet wishes to flaunt their power in modern society. This is the reason for the situation we have today.
Even if they did exist, they would definitely not show themselves to the public.