Wall Dwellers

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Z-90, codenamed "Wall Dwellers" are hostile monsters in Pressure, acting as an uncommon threat found in the Hadal Blacksite.

Appearance

Wall Dwellers are humanoid monsters lacking arms with a set of flat plate-like coverings on its front to camouflage into walls. Wall Dwellers have no discernible eyes or other bodily features, besides human-like mouths with split lower jaws and sharp teeth.

Mechanics

When a player enters a new room, a Wall Dweller may generate in it, camouflaged within a wall. After the player enters the next room, the Wall Dweller will quietly emerge from its hiding spot, advance towards them, and, upon getting close enough, kick them to the ground and rip out their neck, killing them. If spotted before it gets too close, the Wall Dweller will cease hunting before it emits a loud noise, and runs away.

After the "Four Point Five" update, players can attack a Wall Dweller when it's attacking their teammates, killing it. This will "taint" the Wall Dweller meat, rendering it inedible.

After initially being spotted and running away, Wall Dwellers have a chance to try and kill the player again after they are out of sight.

Dweller Chunks

If an emerged Wall Dweller comes into contact with a node monster or is detected and shot down by a turret, the Wall Dweller is killed and left as a corpse on the ground. The player is able to interact with the body and take a piece of edible flesh named a dweller chunk. Eating this dweller chunk will result in the player's health bar turning yellow and the player gaining a similar passive healing effect to the Party Special. They will also receive the "We Outta Wall Dwellers" Achievement.

Notes

• Sebastian can rarely sell the Wall Dweller chunk in his shop. They cost 400 Research each. Additionally, Dweller Chunks can be bought for 1500 Research in the Research Shop.
• It is possible to spot Wall Dwellers by looking closely at walls, as they break up the material patterns and have a slight outline.
• If you are hiding in a locker and a Wall Dweller catches up to you, it will stand outside of the locker until you leave, after which it will kill you.
• There is a 1/62 chance for a Wall Dweller room to spawn as the next room.
• Wall Dwellers behave identically in The Ridge (aside from spawning at a much more frequent rate), but are much less of a threat due to the high prevalence of node monsters.
• Wall Dwellers emit a faint sound of water trickling when emerging, indicating nearby players of their presence.
• Wall Dwellers can crawl, allowing them to follow players into vents.
• The 'Friendly Fire' update introduced a Wall Dweller 'variant' dubbed the Mutated Wall Dweller. The front of the Dweller is covered in Rotten Coral that can be found in some rooms of the Blacksite. They can only spawn in rooms with Rotten Coral. Additionally, Mutated Wall Dwellers emit a lower-pitched noise compared to normal Dwellers.
• Upon death, Wall Dwellers convert into a ragdoll state with collision. Players who walk into a Wall Dweller corpse can move it around.
• Wall Dwellers that have gotten stuck, due to a pathing issue, will retreat shortly after as if the player had looked at them.
• When trying to run away from a Wall Dweller in order to get it killed, it is recommended to use a SPR-INT in order to ensure that you outrun it.
• Players may rarely hear loud footsteps in a room, but there will be no Wall Dweller.
  • A bug can occur where in Deaf Mode you will see footstep indicators, though this does not mean it is a dweller.

Strategy

The most efficient strategy when dealing with Wall Dwellers is to pay attention. Their footsteps are quite audible, with a slight distinction that separates their footstep sound from the Player's. If you hear footsteps that seem out of sync, it is best to turn around.

While Wall Dwellers can camouflage, as noted, there are still ways to spot them in the walls, if you're paranoid enough:

• Be on the lookout for slight inconsistencies in the textures of the walls.
• You can typically make out a faint outline of the Dweller in the walls.
  • It is possible for Dwellers to hide poking significantly farther out from the wall than normal, making it much easier to spot their outline.

Once you have identified a room with a Wall Dweller, keep your eyes on said room as you enter the next one. This will guarantee that you scare it off before it can catch you off-guard. Once a Wall Dweller has been scared away, players should still remain on guard, as they have a chance of returning. If they return, they will run at the player with faster footstep sounds, requiring extra caution.

Players that are comfortable with Wall Dwellers should try to kill it for a dweller chunk. When it begins following them, they should run forward as many rooms as they can without looking at it, to spawn a node monster. Wall Dwellers will walk slightly slower than players, with the exception of returning from being scared off.

Players can press F9 or type /console in chat, it shows the name of each room they enter, for bug-reporting purposes. Wall Dwellers will only spawn in guaranteed dweller rooms, such as Straight9, Straight10, Straight11, Straight13, Straight14, EndlessRidgeShortStraight, ServerFarm3, WinterGardenFlatStraight4, and any room that has "dweller" in its name aside from DwellerCutOut. This is not the complete list of dweller rooms.

Lore

For more information, see: The Lore of Pressure

Wall Dwellers were first discovered in an abandoned office complex in Los Angeles. A group of four influencers had entered the building to vandalize it and had since been declared missing. Two police officers arrived at the scene, encountering the Wall Dwellers and noticing the holes in the walls from which they hid. They subsequently contacted Urbanshade to investigate, finding 29 Wall Dwellers along with a video showing the influencers being stalked and eaten by the creatures.

Wall dwellers don't have normal organs, instead only having a stomach and acid containers. Once finding a wall to hide in, they position their back against it and spray out acid from said back, making a hole in which they will hide in until somebody passes by. Wall Dwellers stalk and eat humans, preferring to kill an entire group first, then eat their corpses later.

Achievements

	They’re In The Walls
	"Your footsteps are not your own. Scare off a Wall Dweller."
	Encounter a Wall Dweller and look in its direction so it runs off.
	Reward	Artist
	None	Darkhe75

	Not On MY Watch!
	"Scare off a Wall Dweller who is currently following a teammate OR beat a Wall Dweller to death who is currently attacking a teammate."
	Scare off a Wall Dweller that is currently targeting one of your teammates, or beat one to death who is currently attacking one of your teammates.
	Reward	Artist
	"Wall Dweller" Jumpsuit	BrazilianWanderer

	We Outta Wall Dwellers
	"Yummers. Eat the flesh of a fallen Wall Dweller."
	Eat a Wall Dweller chunk, either by getting a node monster to kill one, having a turret see and/or shoot one, having it step on an APL, or purchasing one to eat from Sebastian’s shop.
	Reward	Artist
	None	daimondlair

CurrentOld	I Think MatPat Will Enjoy Dissecting This 👀
	"Unlock (almost) all documents that require death. You do not need to unlock rare documents."
	Fill every document that requires death. This includes most "Monsters & Hazards", most "Special", and the Trenchbleeders and PDG documents with all known information. This excludes The Multi-Monster, Stan and The Raveyard.
	Reward	Artist
	None	daimondlair

Documents

Main Article: Documents/Wall Dwellers

Gallery

GeneralDevelopment

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  Z-90's back and front views
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  The rotten coral variant of a Wall Dweller compared to a normal one.
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  A dweller chunk, as seen in-game
• 
  A dweller chunk, as seen in a player’s inventory
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  A player eating a dweller chunk
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  A Z-90 in its hiding state
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  Z-90's flat surface on Rotten Coral
• 
  A deceased Wall Dweller disguised with Rotten Coral
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  Ditto, with the emergency lights on
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  A spot in the wall from which a Wall Dweller emerged'

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  A player getting killed by a Wall Dweller upon leaving a locker

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  Z-90 in development stages.
• 
  The Wall Dwellers document, unedited.

Trivia

• Wall Dwellers were originally going to be an "A-90" type entity for Zeal's rooms game. Both entities have a similar goal of disincentivizing the player from constantly advancing forward without paying attention.
• Wall Dwellers are based on Filth from ULTRAKILL, having the same general shape.
• When eating a Wall Dweller chunk, the "Yummers" quote is a reference to Homelander's line from "The Boys".
• Wall Dwellers taste like the insulation that is stuffed inside walls.
• Of the 29 specimens brought in by Urbanshade, only 12 Wall Dwellers are known to currently exist. The other 17 have likely been killed by The Angler and other various monsters.
• Of the thousands of EXR-P teams that were sent into the facility, only about 100 of them made it in deep enough to encounter the Wall Dwellers.
• If a Wall Dweller follows a player into Sebastian's Shop, Sebastian will shoot them with his shotgun. This was later added in the "Four Point Five" update.