I Am Just a Demon Subduer, but the Country Invites Me to Come Out

In ancient times, there were powerful people who observed the evolution of the universe, understood the mysteries of the movement of heaven and earth, and created a set of secret techniques that can detect the secrets of heaven and kill ghosts and gods. Later, he used meteorites from outer space to create a magical sword, the "Ruyi Xin Shen Sword", which can change its shape at will. Its power can shake the heaven and the earth when it is exerted to the extreme. As soon as the two came out, the heaven and earth shook. In the thousands of years since then, although the "Yin Yang Tong Xuan Zhu Evil Order" and the "Ruyi Heart Divine Sword" have appeared occasionally, they are always short-lived. Over time, the two became ancient myths and legends, and never appeared again in the world. Until modern times with advanced technology... Jiang Chi is an ordinary college student in the eyes of ordinary people. One day, the special department came to the door. "Mr. Jiang, there is a major case, and the country wants to ask you to help." Jiang Chi: "Uh... I'll think about it." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.