Deep underground, the air was so stagnant and thin that it was almost impossible to breathe. Bodies littered the ground, frozen in their final, frantic struggle for breath. The underground ruins were once full of life, but a sudden loss of air killed almost everyone in an instant.0

While most of the remains had long withered into bone, a few bodies along the path seemed relatively fresh compared to the rest. The corpses were dressed in heavy armor, plain clothes and even exploration gear, and the surrounding terrain showed clear evidence of a violent struggle.0

Some had fallen to internal strife, while others perished from overexertion in a fight against invisible creatures. The clothing and equipment...0