Advanced Smart Mecha

All the smart mecha beasts turned to look at Peter in unison. Then, they walked towards him step by step. "Crack… Crack…" The orderly footsteps resembled the song of the grim reaper as they resounded through the empty hall. Peter was so frightened that his hair stood on end.

Peter retreated quickly to the alloy door closest to him. At this time, the smart mechas had stepped out of the hall and were closing in on Peter step by step.

Peter could only retreat, but the alloy door was blocking him from going back. At this moment, Peter noticed that there was a human-faced groove on the wall beside the alloy door behind him. The groove was lit with a green light.

"Could this be the so-called identity test?" Peter suddenly remembered what the smart mecha had said.