I've Become an Immortal, and the System Just Appeared?

Zhou An, who traveled to the world of immortality, finally overcame the tribulation and became an immortal after eight thousand years. At this moment, the golden finger system, which had not appeared for eight thousand years, finally arrived. Congratulations, you have been bound to the 'Mortal Cultivation System'. With the help of this system, you will change your destiny step by step, ascend to immortality, and become the most noble existence in the world. System... System binding error... The system should be bound to Ziyun Sect 'Zhou An'… He is a mortal... The host is requested to go to Ziyun Sect as soon as possible to activate this system. This system is not very smart. It stubbornly believes that after restarting, it still stubbornly believes that he is the mortal Zhou An of Ziyun Sect. You have encountered a lifelong enemy that has been with you for ten years. Zhou An reached out and squeezed, and countless people, including the so-called lifelong enemy, turned into blood mist. "System, is this my lifelong enemy?" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.