Dominate the world through Dou Po

Accidentally traveled to Dou Po Cang Qiong, a world respected by martial arts, and accidentally saw the privacy of Xiao Xun'er, who has a super big background, and suffered hostility. The protagonist Xiao Yan also seems to have an aura of invincibility. How can people live like this!
Fortunately, there is a cosmic trading system that can turn all useless things into useful ones. This is possible. Let's see how I can turn Dou Po Cang Qiong upside down! ...