C885 Unbelievable unbelievable

Although Xu Lang's martial arts were strong and he could be considered to be someone with outstanding medical skills, he was helpless against the biochemical medicine planted by the old man. Since he was unable to heal the old man in the short term, he could only use martial arts to temporarily relieve the old man's pain.

It was a pity that after a while, the old man started to mutate again