The deeper they went into the passage, the denser the poison within the toxic fog became. Within this toxic fog, the protective spiritual light around the five of them suffered tremendous corrosion and suppression.
Qin Fengming was toward the rear of the group, with the others deliberately shielding him. As a result, he had little contact with the toxic fog.
But Fefeng Immortal Fairy, who was serving as one of their protectors, had not taken any detoxifying pills since entering this place. Judging from her composed bearing, the toxic fog around them had still failed to impede her in the slightest.
Although Black Scorpion Worms favored dark places, they were unlike demon ants and would not build nests within stone ground. Therefore, there would be no demon insect lairs on the stone walls.
Knowing the habits of Black Scorpion Worms, the five naturally had no intention of entering the stone walls to search for anything.
Their figures flickered as they raced through the broad passage. Although they used no escape technique, their speed was still far from slow.
This passage stretched extremely far, with no forks along the way.
After the time it took to drink a cup of tea, they had already traveled several hundred zhang.
They were deep underground, surrounded by toxic fog, but with the five's powerful divine senses, probing a great distance was still easy. They had no choice but to keep their divine senses locked on the area around them at all times, however, lest Black Scorpion Worms suddenly emerge from the stone ground.
The space ahead suddenly opened up, and they entered another, far larger mountain cavern.
The ground in this mountain cavern was still smooth, as though it had been deliberately leveled by human hands. Toxic fog billowed in every direction, creating an