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 the battlefield of the seventh son, there is also a wealth of prodigious props that can be turned around, physical attacks, defensive categories, forensic attacks, defensive categories, hybrid attacks, defensive categories, and reactive prodigious devices, all of which are targeted and the rational application of which can make every battle as far as it is concerned. The seventh son has a rich copy of the benefits for the player, complete with gold coins, experience, equipment, etc. And the legendary man of the mountain! In the "temporary paths of the gods" there is also the possibility of constantly overcoming the limits and challenging the masters and demonstrating their strength and worth. The seventh son rejects the brainless model of "value crushing" and is more concerned with the mix of combat resources and hero control. Full-scale and deep-rooted tactical and functional innovation, which will bring to the player a "mutual" hand-swam on the main line. The 7th son is on the line. The world is full of demons