Gu Sword Medical Immortal

I really like using poison to save people. But unfortunately, they hate voodoo and are afraid of it, so they use my voodoo to survive, and when they die, they blame me for using voodoo. Therefore, I began to hate medicine. My heart was tormented with pain and contradiction. On the one hand, I selfishly want to become an immortal. So I took the sword, and as a Gu doctor, I soon touched immortality. It turned out to be so simple... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.