Taking a rough estimate of the distance by observing the glow's fluctuation around nine hundred feet under the ice, Barlin had the feeling that it was at least another three thousand feet deep.

Those ancient ruins might really have been built on the ice cap at that depth, on the south pole's lithosphere.

And the thought left him depressed.

For the best cultivators before the Degenerate Age of Dharma, they might have been able to tear through the surface of the ice sheet to the depths in