Deeply integrate the modern urban workplace culture with the classical cultivation system. The protagonist Zhao Jun is a tortured "996" social animal. After working overtime on the verge of death, he accidentally awakened to a system of cultivating immortals called "Ruthless Tao". He discovered that all kinds of hardships in the workplace - leaders' PUA, colleagues' blame-shifting, project pressure, Party A's difficulties - can actually be transformed into "materials" for cultivation. He will use this unique set of rules to kill decisively and rise step by step in the cold modern urban jungle.