Tianshi Mansion Has Been Fishing for Ten Years, Try the Old Tianshi at the Beginning

[One person + invincibility + system + no female protagonist + decisive killing] The protagonist Zhang Qing traveled through time as a disciple of the Heavenly Master, awakened the Xianyu Turnaround System, and became stronger by being lazy and fishing. After an unintentional downhill experience, he was involved in a huge whirlpool! A dangerous and mysterious cult! ? A pool of blood at an amusement park? The entire alien world fell into a strange chaos... While protecting the Tianshi Mansion, can Zhang Qing put an end to all this chaos... Zhang Qing: "Even if the world is in chaos, I will definitely protect the Heavenly Master's Mansion!"