Li Chen, a doctor of civil engineering, traveled to the world of immortal cultivation and became a handyman disciple at the bottom of the Qingyun Sect. His spiritual roots were mottled and his cultivation was hopeless. When everyone was pursuing "one sword to defeat all methods", he found that the "infrastructure construction" of this world was appallingly backward - the mountain protection formation was entirely supported by spiritual stones, the Feizhou Station queued for three days, and the power transfer hall was in disrepair...