Digging three hundred zhang into the ground, delving into the secrets of the ancient castle's origins.
Xiao Chen and his group could not excavate the surface directly; instead, they materialized deep within the underground layers.
Massive stones stained with specks of blood, vivid crimson hues scattered in the deepest strata, stood among orderly square stones scattered throughout the soil.
Thick, sticky red liquid seemed almost eternal, refusing to dry; even now, it retained a vibrant vitality and filled the air with a pungent, metallic scent.
Xiao Chen furrowed his brow lightly. At his level of cultivation, he could distinctly perceive the remnants of divine power within the blood—it appeared to belong to a strong Ancestor God-level being.
Without uttering a word, he sat cross-legged underground and began refining. Thread after thread of crimson essence rose, streaming toward the palm-sized Demon City resting on his fingertips.
