This Skull and Bones Martial Arts

Travel around the world and become a brave man. In this world of sword and magic, everyone's goal is to defeat monsters and upgrade, obtain equipment, professions, become stronger step by step, and become a warrior praised by everyone in this continent. ... However, Lu Xin, who also traveled through time, found that he had become an undead skeleton! Not only did he become an undead skeleton, he also activated a strange system. The items sold in the mall were all unexpected things. For example: "Tietou Gong", "Iron Cloth Shirt", "Xuanhuang Yiqi Jue" For example: [Qingfeng Sword] [Nine-ring Sword] [Five Elements Lingyun Fan] ... Then, an undead skeleton who knew martial arts and held a magic weapon appeared. No one can stop the Skull and Bones martial arts!