Su Jiu had thought the prison outside the door was dark enough, but the world within was even blacker than ink.
The moment she opened the prison door, Su Jiu felt an immensely powerful pressure emanating from the prisoners held in the various cells.
Before coming here, Chu Luohen had heard Chu Mojin speak about the merfolk's inner prison.
Whatever was imprisoned here could not easily escape, even upon reaching the body integration realm, whether human or monster. These beings were often immensely powerful; indeed, many of the things imprisoned here were stronger than the Merfolk King himself.
Thus, it did not actually belong to the merfolk. All they possessed was the right to guard it.
As for who used it, Chu Mojin had not explained that to him in detail.
The inner prison held a jumble of auras. Clearly, those imprisoned here were not merely humans and monsters who cultivated spiritual qi, but also those who cultivated demonic qi and resentful qi.
Though Chu Luohen had heard of this prison before, this was his first visit.
Chu Luohen could not help knitting his brows slightly, as though something strange had occurred to him. A trace of uncertainty appeared on his face.
But there was no light here, and Su Jiu was focused on the cages around them, so she did not notice Chu Luohen's somewhat peculiar expression.
The people held in those cages, however, caught her attention.
The prisoners here were all quiet-unnaturally quiet. Even after noticing someone enter, they spared the newcomers no extra glances or reactions, continuing whatever they had been doing as though entirely unaffected.
The inner prison extended deep inside. Su Jiu felt she had walked for a long time without finding the black water snake.
Then something even more awkward happened: they reached a