Just Sign in at the Martial Arts Library, I Am Invincible

Chu Wu traveled to a parallel world where martial arts flourished, and became a useless administrator in the martial arts library. The good thing is that you can sign in at the martial arts library. Sign in at the library and be rewarded with a peerless martial spirit. Sign in at the library and be rewarded with the skill of slashing the sky and drawing the sword. Sign in at the library and be rewarded with the Heaven-Destroying Sword. Signing in to the library will reward you with a space ring. ... A few years later, ancient monsters invaded, and the human race was facing annihilation. Hundreds of millions of humans were helpless to resist. Suddenly, thousands of sword lights shot straight into the sky, and thousands of ancient monsters were chopped into powder in an instant. Chu Wu stood in the sky, looking down at the people, "I am invincible in the world, who can stop my sword?" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.