In the traditional rpg games, the roles ' occupations, skills and equipment are well structured. There are also qualities and stars in the seventh son, ranging from the white card to the legendary orange card, and the progression from one to five stars gives the card an unlimited growth space. Heroes are divided into three categories of power, intelligence and agility. They also have extremely rigorous algorithms and creations for physical, magical attacks and defences, as well as for visits, blood intake, control, recovery, speed of attack, etc., which make the confrontation of the game variable. With regard to card skills, in addition to the four conventional skills and talents, the degree of professionalism is also reflected in the pre- and post-application swings. Escalation of equipment is even more a way to increase combat power. The creation of the 7th son was a random maze expedition, a mysterious 10-person adventure, a change of tactics, and a run-off on a mobile phone. On ...