The Strongest Immortal Master, Destroying an Entire World with One Sword

A life of destiny changed by a book. The protagonist got a book and became a master of catching ghosts according to the instructions in the book. His tragic fate made him reborn again and lived a happy life. After traveling through ancient times, he opened a Yin-Yang Inn to help others eliminate demons and catch ghosts. From then on, he continued to practice and finally became an immortal master to find the time and space tunnel and traveled back to modern times. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.