A Promise Makes Me Invincible

In order to keep his promise to his master, Chen Fenggou stayed in the library for thousands of years. He has a god-level sign-in system. When he signed in for the first time, he was bound to the Supreme Physique, the Sky-Bearing Sword Body. With the help of a large number of rare elixirs, his cultivation level improved rapidly. When he came out, he was already invincible in the world. He looked around confused, not knowing where to go. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.