Gu Feng from Earth traveled to a world where martial arts were respected. Gu Feng was dull, and it was difficult for him to cultivate martial arts. He could only work as an ordinary handyman in Xuanyang School. However, the Check-In System suddenly activated on him, and from then on, he embarked on a life of cheating. Check-In in the main hall of Xuanyang School and received the reward [Ten Dantians]. Check-In in the Sutra Pavilion of Xuanyang School and received the reward [Nine Swords of Samsara]. Check-In in the Martial Arts Field of Xuanyang School and received the reward [Great Creation Technique]. Xuanyang School had been established for thousands of years, and it had a deep foundation. You could check-in in many places. Because of the constant fighting and danger outside, Gu Feng held the idea that he would not show himself until he was invincible. He signed in at Xuanyang School for more than 20 years. More than 20 years later, people of all races attacked Xuanyang School. At this time, Gu Feng really made his move …
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