C440 Penrose's Principle

Chen Fei's shout was definitely as loud as the scream of a pig when it was being butchered. It was already enough to make people break down in such a gloomy and depressing environment.

Right now, they had no idea of how much time had passed, and they had no idea how long it had taken them to walk through it again and again.

Maybe a few hours, maybe a day, maybe two