Book of Gods and Ghosts

He got a smartphone from a man who called himself the devil. The phone had no communication function, but it was filled with countless e-books with extremely wide-ranging contents. He magically discovered that he could enter the world of these books. What was even more amazing was that after entering these worlds, he could use his mobile phone to edit the books to rewrite the characters in them, and every edit would be immediately reflected in the living world! "The Legend of Chongzhen", "The Legend of the Condor Heroes", "The Legend of the Condor Heroes", "Dungeons and Dragons"... Until "Liao Zhai", "Ji Gong" and so on. In a series of experiences. He discovered that there was a huge secret behind the world of these books, and this secret led him step by step to the road of cultivating immortality.