The treatment lasted for about half an hour.
Since Fei Zuying was a master at the Hua Realm level, Lěng Yè had to apply the needles with extreme care, channeling his Spiritual Power in a steady stream. His touch alternated between gentle and firm, and he had to monitor his strength closely to avoid causing her any pain.
By the end of the treatment, Lěng Yè was utterly exhausted, drenched in sweat, and nearly drained of all energy.
Chapter 121