Unfortunately, he couldn't recall any mention of marble-like treasures so he put the matter at the back of his mind.
After exiting the hot spring, the two spent another one hundred space years purifying their qi and one year preparing provisions for the dark stairway.
Of the ten stairways, the dark stairway was the most deserted and didn't have a single person.
After arriving, the two stepped on the first step and instantaneously, a dark mist engulfed them.
Soon after, the felt a gnawing pain all over their body and couldn't help but frown.
"It's corrosive." Shen Xu said and Zhen Yuan nodded.
Without delay, the two sat cross-legged and began running the dark refining technique.
However, despite the technique, the dark mist still invaded their bodies, quickly eroding their flesh, organs, blood vessels, meridians, and even their blood.
Fortunately, the two had just exited the light stairway, and their bodies' self-repair ability was extremely high.
