At the Beginning, He Was Sealed in the Demon Suppression Tower.

[Sign-in flow] [Invincible text] [God-level system] … Traveling to the world of high martial arts, Jiang Jiu became a half-demon in the Demon Suppression Tower. I don't have genius-like qualifications, and I don't have powerful parents. He is not considered a human being and is despised by demons. It seems that it is extremely difficult to make a comeback. Bite! God-level system has been activated] Here I go, finally here, the late golden finger. [Detecting the host's wish, the god-level system named the ultimate mission "Re-create a new life"] [When the host reaches invincibility, it can unlock racial restrictions, cross species, and become human again! Sign in for the first time at the Demon Suppression Tower and receive the reward [Soul-Eating Slash] Sign in at the Demonic Dragon Land and receive the reward [Evil Dragon Outer Scale Technique] Sign in in the Silent Forest and get the reward [Everything is Silent] Sign in at the Demon King's Hall and get the reward [Ancient Thousand Souls Kill] Until one day, the seal of the Demon Suppression Tower was loosened due to Jiang Jiu's demon power. Just when the masters from all walks of life wanted to suppress the Demon Tower again, a voice came from the depths of the Demon Suppression Tower...