[Black Pillar Prison]
The prison infiltration had been underway for 25 hours and 39 minutes.
Although Gu Xu had captured the priest's memories through "Dream" and had completely deconstructed Black Pillar Prison more than ten hours ago.
The internal layout of the prison was complex and lengthy, featuring different environmental layers.
To pass through each layer required obtaining a "door key" (the living arm of a special priest), which was cumbersome and arduous.
Since the prison had to [restrain, divert, and regulate] the 'origin of Black Water.'
The materials used were of a 'life-insulating' nature, arranged in fixed patterns using black stones to effectively suppress the spread of vitality, with intricate metal pipelines woven into the walls, creating a unique style of black prison.
Seven humans were rapidly moving inside.
"Just one last door left, and we'll reach the core layer holding the [City of Gods Secret].
However.
