Qin Lang had endured nine hundred years of arduous cultivation and finally returned to his status as an Immortal Venerable, yet he never expected to be back in this era. Truly, fate is a fickle thing.,A slow poison! And a particularly insidious, particularly troublesome kind of slow poison!,"You, you dare call me a quack You dare question me I am the most authoritative expert doctor at Southwest University Affiliated Hospital, a doctoral supervisor, I..."。