After Sleeping for Nine Hundred Years, I Became the Founder of the Immortal Sect

It is detected that the system version is about to be updated. Please prepare the host. The estimated update time is: 900 years. In order to update the system, Zhang Zhiyao had no choice but to use a cheat book to trick a local child into protecting him. I thought I would just spend the first few years peacefully, but I didn't expect that after nine hundred years, Zhang Zhiyao woke up again and found that he had become the founder of the Immortal Sect? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.