The moment Mo Beixing entered the small opening, it sealed shut behind her.
Before Yang Qing and the others stood the same cold, unyielding wall.
"I never imagined this woman had hidden so much right under our noses."
Watching Mo Beixing escape, Ouyang Lin furiously slammed his fist into the stone wall.
To his surprise, the wall did not budge. His blow merely knocked loose some of the dust that had accumulated over the years.
The spot that had clearly yielded beneath Mo Beixing's touch just moments ago now refused to move.
Clearly, after entering the passage, Mo Beixing had disabled the mechanism here.
They now had no way to open this passage.
"Since there's a passage and a mechanism here, there must be more than one mechanism. If we search carefully, we should be able to find another way out."
As Yang Qing spoke to Bu Er, he turned to examine the stone walls. Mu Feng even reached out and touched them a few times.
But those touches not only failed to uncover a mechanism, they made the already damp walls drip with water, as though they had just been hauled out of a pool.
Yang Qing's nose twitched, and he stopped Bu Er from touching the wall again.
"Don't touch anything carelessly. This water is poisonous."
What coated the walls was not actually plain water; mercury had been mixed into it.
Although there was not much, it surrounded them on every side. Anyone who stayed inside too long would still be poisoned.
"We need to find an exit quickly. Otherwise, there's no telling what will happen next."
It was rare for Mu Feng to say so much in one breath. Even his expression shifted slightly after he finished.
He had begun to lose his composure.
Everything had seemed