Is the most powerful skill in the world a skill that needs to be actively used? No! It is a passive skill! What is a passive skill? Passive skills are instant active skills, a killing move that no one will guard against, and only the dead can do it. Know the ultimate trump card! Can it be easier to understand? The method of breathing, strength, perception... Haha, that's it? Xu Xiao's sword tore apart the galaxy, everyone was shocked... What the hell is this called a passive skill? Well, swordsmanship Proficient. Book club group: 717018659