C141 The Dark Group in the Tomb

As I followed the man, my eyeball was attracted by a single word on the back of the man's clothes. It was the word 'dark' written in small letters.

Arriving at another stone room, the unique sounds of some mechanical instruments colliding with each other reverberated through the vast space. The equipment here is supposed to be state-of-the-art, because I've hardly ever seen any of it