Fantasy: the Sword Master Guarding the Tower, Signing in Shushan for 90 Years

Xu Chen traveled to the world of Xianxia where demons were rampant and became a tower guarding disciple in Shushan. The sign-in system is activated at the same time. As long as you sign in at different places, you can get various rewards. Sign in at the Demon Locking Tower and gain sword control skills! Sign in at the Three Emperors Hall and get the Drunken Immortal Moon-Watching Step! Sign in in front of the Sanqing Hall and get the Demonic Flame Flash Slash! Sign in at the Well of Gods and Demons and obtain the magic of Drunk Immortal and Sealing Demons! ... Shushan is full of opportunities and good fortune, and you can sign in everywhere. In ninety years, Xu Chen acquired countless magical powers and unfathomable cultivation, and became the only sword master living in seclusion in Shu Mountain! Ninety years later, the demon broke through the Demon Locking Tower. No one in Shushan could defeat him and was in danger. At this moment, Xu Chen finally drew his sword... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.