"This... It should be... The mind of the sage of traditional Chinese medicine is also hesitant.

"What is it?" Tang Yu looks like shit, but he's not sure. The color and viscosity are like shit. But whatever it is, it has shocked Tang Yu. I didn't expect that the gold box, which has been put here for hundreds of years, can secrete liquid. Does the gold box also have excrement? Tang Yu did not believe it.

"Shouldn't it be shit?" The doctor could not guess what it was. "Why is it a bit like sludge?"

"Sludge? Don't mention it, it's a bit too much." Tang Yu said nothing. "Anyway, open...