C678 Chapter 678 feasible methods

Gu Mingyan used to believe in science, but now he had no choice but to accept these people's words that didn't say anything.

In medical science, even if you were to soak in a pool of blood for a few years, you would only become a corpse in the future.

Not to mention the fact that Duan Chengxuan's actions and strength were out of the ordinary