What does the patent combination of Three Kingdoms Kill mean?

The patent combination of "Kill of the Three Kingdoms" is that players create unique gameplay and tactics according to their own game strategies and card characteristics, with different military commanders' skills, equipment, kits and other elements. In the Three Kingdoms Kill, patent combination usually means that players match the skills, equipment, tips and other elements of different military commanders according to their own game strategies and card characteristics to form an intellectual property protection network to resist the attacks of competitors and maintain their own development.