There are differences in people's hearts, and evil spirits are self-produced. The world is not right, and strange things are rampant. This is a world that eats people, a world where evil spirits are raging. Song Si came across, and obtained a system at a critical moment, and any martial arts can be upgraded. Iron head skill , iron throat skill, iron crotch skill, iron arm skill, iron leg skill, plus iron cloth shirt, upgrade to immortal golden body. Shadowless sword technique, rapid rain sword technique, spirit snake sword technique, plus pull out Swordsmanship, upgraded to the art of cutting the sky and drawing the sword. Resist evil spirits and draw the sword to cut the sky! Who said that a martial artist who has practiced to the extreme can only make his own meat more chewy?