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Few prisoners managed to see out their time here alive. None, actually.
The worst prisoners were locked up here, in the company of the worst guards.
"To be transferred to the Depths" meant you weren't coming back. All you could really hope for was that your execution would be quick.

Prison depths flag

Prison Depths is short, optional biome between the second and the third level. It's accessed through the Promenade of the Condemned or the Dilapidated Arboretum using the Spider rune and leads to the Ossuary, the Morass of the Banished or the Ancient Sewers (1+ BSC).

General information[]

Access and exit[]

The Spider Rune IconSpider Rune 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 Iron Cells KeyIron Cells Key, which drops from a random enemy, they can choose to open one door to access the item inside.

Level characteristics[]


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

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.

Difficulty Normal Hard Very Hard Expert Nightmare/Hell
Gear level III III III IV VI
Enemy lvl tier 8 - 9 11 - 12 12 - 13 14 - 15 15 - 16
Enemy Health tier Base 9 - 11 13 - 14 15 - 17 20 - 22

Loot and shops[]

Main level[]

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

Boss Stem Cells rewards[]


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.

Enemy Normal Hard Very Hard Expert Nightmare/Hell
Zombie Blood Sword, Double Crossb-o-matic, Bobby Outfit (1+ BSC)
Undead Archer Bow and Endless Quiver, Infantry Bow, Ice Bow, Skeleton Outfit
Hammer War Spear, Oil Grenade
Kamikaze Frantic Sword, Kamikaze Outfit, Neon Outfit (1+ BSC)
Lacerator Crusher, Open Wounds, Carduus Outfit (1+ BSC)
Masker Fire blast, Ghost Outfit (2+ BSC)
Slasher Cluster Grenade, Heavy Turret, No Mercy, Demon Outfit (3+ BSC)
Knife Thrower Great Owl of War, Legendary Warrior's Outfit (3+ BSC)
Rampager Adrenaline


  • 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,[1] but it was scrapped during the alpha stage of the game.



  • 0.0: Introduced.
  • 1.5:
    • Reworked into a shorter optional biome that always has a cursed chest at the beginning and one shop halfway through.
    • Removed Gold Cells KeyGold Cells Key that guarded a Scroll of Power.


  1. 1.0 1.1 Because v1.5 decreased the amount of cursed chests, there is always a guaranteed one in the first room of this biome. To the right of the chest there is a door that will close behind the player, no matter if they had or hadn't inflicted the curse upon themselves.


  1. Dead Cells - Unreleased 'Prison Hub' Level YouTube - SharesFyve, 2017-06-15