Peerless Sword Immortal Signed in Three Thousand Years Behind the Scenes

He had just become the eldest senior brother, but in the end, the Black Fog Era descended, and the sect fell into the land of demons. Shen Changge, who had written his will, suddenly awakened the Sign-In System. [Sign-in successful under the Sword God Statue, received: Daluo Sword Scripture — Sword Control Chapter] [Sign-in successful at the training field, received: 500 years of cultivation] [Sign-in successful at the Sword Spirit Mountain, received: Annihilation Sword Spirit 1] Shen Changge signed in like a buddha, and soon found that he was actually invincible! In the Black Fog Era, demons danced wildly, and the world seemed to be covered with an invisible layer of fog. Killing demons could dispel the fog and unlock the sign-in location. However, very soon, Shen Changge discovered that the black fog didn't seem to be that simple! The mysterious and powerful organization of people in the fog, the strange black fog, and killing three great demons would attract the great terror in the black fog? Every sect statue seemed to have its own meaning. If it was shattered, it would mean that the sect was destroyed. Mastering the black fog meant mastering the mysterious killing technique within! Shen Changge: 'Cultivation is really too hard. You are already a mature system, you can cultivate on your own. System, Sign-In!’