บท 476: Chapter 477: Submarine Cruise

Under Duncan's somewhat unfamiliar and cautious control, the submersible slowly adjusted its heading.

The "foundation" beneath Frost City-State was like a wide, unbounded yet rough and bizarre cliff in the sea, slowly moving through the dim sea water outside the portholes.

The sunlight that fell from the sea surface above had faded, leaving only the beams of light from the three sets of large searchlights in front of the submersible. Those beams cast huge spots of light on the "cliff" face, and beyond the illuminated spots lay unknown darkness.

The low buzzing sound and the hissing noise of certain valves automatically adjusting the pressure occasionally reached the ears, and these monotonous and lifeless sounds only made one feel even more... isolated.