I Have Proficiency in My Skills

Wang Kai picked up the sledgehammer and outputted one pass. "Ding, proficiency +1" Basic Blacksmithing (Xiao Cheng, 36/40) Between life and death, Wang Kai took out the big thing and smashed the vixen's head. "Ding, proficiency +5" Basic forging method (superb, 300/300) I just want to quietly brush up my proficiency, why is it so difficult? In this world where humans and monsters confront each other and martial arts reach the sky, let's see how Wang Kai can "successfully" carve out a bright road through hard work (cheating).