Great Xuanwu Sheng

Chen Mu, a low-level officer, thought he could only live a cautious life, but unexpectedly he got a system panel that could accumulate experience, and he could master all the skills with just one practice. [Blast Knife + Gale Knife + Wind Chasing Knife = Blast Artistic Concept] [Jade skin grinding method + sand iron method + coarse salt method = skin of copper and steel] A peerless martial saint with unparalleled swordsmanship, bronze skin and iron bones, and a body of pure gold was born step by step. - Description from novelcodex.org