Prison Depths

Access and exit
The is required to access this area through the Promenade of the Condemned or the Dilapidated Arboretum. A section only accessible by wall climbing in both levels leads to Prison Depths.

There are three exits out of Prison Depths. On all difficulties, the player can choose to go to the Ossuary or the Morass of the Banished. With at least 1 BSC active, a third door will lead to the Ancient Sewers.

Iron cells
Two locked doors are found at the end of the biome, next to the exit doors. Behind both these doors there is a 2-item choice altar. If the player finds the, which drops from a random enemy, they can choose to open one door to access the item inside.

Scrolls
Prison Depths contains only one Scroll of Power, obtained through the cursed chest at the start of the level.

Enemy tier and gear level scaling
In the table below, you will find the gear level and enemy tier of Prison Depths based on difficulty.

Main level

 * 1 cursed chest at the beginning of the biome, right before the one-way door.
 * Not affected by the damned Aspect.
 * A weapon or skill shop around the halfway point of the level.

Boss Stem Cells rewards

 * 1 BSC: Exit to the Ancient Sewers.

Enemies
In the Prison Depths, you will find many dangerous enemies, such as Slashers and Lacerators. In addition, Maskers and Hammers could be considered the iconic enemies of this biome, with the latter never spawning in any other location than Prison Depths. On high difficulties, Knife Throwers and Rampagers appear, making this level even harder to navigate.

In the table below, you will find which enemies are present in Prison Depths depending on difficulty level. For each enemy, any common, uncommon, rare or legendary blueprints they carry are indicated. When applicable, the minimum difficulty level for blueprint acquisition is specified in brackets.

Trivia

 * Prison Depths is the only biome to contain two distinct soundtracks, namely "Prison Depths" and "Prison Theme". While "Prison Depths" was made exclusively for this biome, "Prison Theme" would have been for another biome called Prison Hub, but it was scrapped during the alpha stage of the game.