In the Great Zhou Dynasty, demons and monsters run rampant. In his previous life, constable Yang Xiao spent his entire fortune on Hu Qingqing, even giving the Embroidered Spring Blade inherited from his father to her younger brother, Hu Kai. In the end, he was abandoned and died a miserable death at the hands of demons. Reborn, he refuses to be manipulated any longer. As he takes up his father's blade, he unexpectedly activates a mysterious equipment slot. His swordsmanship instantly reaches perfection, and the abilities he obtains can even be permanently retained! While others toil for decades to improve their martial arts, he grows stronger through equipment. From purging demonic threats in villages to venturing alone into the Three Demons Mountain, Yang Xiao shatters the conspiracies of demons and traitors. With nothing but an Embroidered Spring Blade, he rises from a low-ranking constable to join the Demon Suppression Bureau!