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This article is about Prawn Suit in Subnautica. For the related article on the Below Zero Wiki, see Prawn_Suit.


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It is normal when first piloting a Prawn suit to feel a sense of limitless power. Prawn operators receive weeks of training to counteract this phenomenon. You will have to make do with self-discipline.

PrawnVO

― PDA, Dialogue

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The Pressure Reactive Armored Waterproof Nano Suit Mk.III (abbv. Prawn Suit Mk.III) is a bipedal mechanical walker, designed for use in extreme-pressure and zero-gravity environments. A plasteel-reinforced canopy of enameled glass protects the single occupant, and dexterity is provided by hydraulic limbs that are capable of striking with enough force to crush bone and pulverize rock. When not in use outside of water, the vehicle assumes a seated position.

Lateral movement is provided by mechanical legs that propel the vehicle along the ground at a top speed of 24 kph (14 mph), and a pair of boosters on the back of the vehicle provide vertical thrust. The Prawn Suit also comes with its own beacon, similar to the Cyclops and the Seamoth.

Before the Prawn Suit can be constructed, its fragments must be scanned. Four wrecked Prawn Suits can be found in the Aurora's vehicle bay, which each account for a quarter of the blueprint. While many smaller arm fragments (each counting 5% towards unlocking the blueprint) can be found among various Wrecks, there aren't enough arm or suit fragments outside of the Aurora to fully-unlock the blueprint.

A 3D model can be found on Sketchfab.

Overview

The Prawn Suit can be used to explore places that are too deep for the Seamoth and too small for the Cyclops. It has a base crush depth of 900 meters and can be upgraded to withstand a maximum depth of 1,700 meters, making it the most useful deep-sea exploration vehicle. However, due to its limited mobility in the vertical dimension, it may be wise to use a Cyclops as a transport, as certain biomes such as the Blood Kelp Zone or Underwater Islands may be difficult for it to get out of on its own.

Unless the power supply is depleted, the player's Oxygen tank will be replenished upon entering, as is the case with the Seamoth and the Cyclops. In this case, the oxygen will run out slowly until the point where the player is losing oxygen within the Prawn Suit itself.

The Prawn Suit has a health meter, and reaching zero will cause the vehicle to malfunction catastrophically and explode. Unlike the Seamoth, however, it's heavily armored and can endure most things that would otherwise severely damage or destroy a Seamoth, such as a Reaper Leviathan's grip. The Sea Dragon Leviathan is also capable of picking up the Prawn Suit.

Alternatively, the Prawn Suit can be used on land for exploration of dangerous areas. (Keep in mind that the Prawn Suit is not as mobile on land. The thrusters are nearly useless, even if the Prawn Suit Jump Jet Upgrade is equipped.) As the suit is immune to heat and poison (though not direct contact with lava), the Prawn Suit is also great for collecting resources in hazardous areas such as near Lava Geysers or collecting Gas Pods, or for simple protection against most low-to-mid tier predators.

The Prawn Suit requires energy from two Power Cells to operate. It can be docked in the Cyclops or the Moonpool to recharge.

The vehicle comes equipped with 24-slot inventory space, accessed from outside in the rear. Any items picked up with the default Claw Arm or drilled with the Drill Arm are automatically placed in the Prawn Suit's inventory if there is room. Bear in mind though that there is a slight delay between clicking and activating the respective Claw Arm on the suit, so a player may accidentally punch a creature they are trying to collect or miss a falling item.

Recipe

Plasteel IngotPlasteel IngotAerogelAerogelEnameled GlassDiamondDiamondLeadLeadArrow-right (1)Mobile Vehicle BayArrow-right (1)Prawn Suit


How to Use

  • Enter the Prawn Suit by pressing the LMB mouse button when the hand icon appears (Xbox One:XBOX A, PlayStation 4:Combops4x).
  • Pilot the Prawn Suit using the W, S, A and D keys (Xbox One and PlayStation 4:PS4 Left Stick).
  • Exiting the Prawn Suit by pressing the E key (Xbox One:XBOX B, PlayStation 4:Combops4circle). Exiting the vehicle when out of water will cause it to assume a sitting position, allowing access to its Power Cell slots, storage compartment and upgrade panel more easily.
  • Press the LMB and RMB mouse buttons to use the arms (Xbox One:XBOX Left TriggerXBOX Right Trigger, PlayStation 4:PS4 L2PS4 R2).
  • Press the Space key to jump and hold it to use the thrusters (Xbox One:XBOX Y, PlayStation 4:Combops4tri). Using the thrusters will deplete their internal energy, which recharges by itself when not in use.

Upgrades and Customization

The Prawn Suit can be customized with the Vehicle Upgrade Console, which the player can use to craft upgrades and change the vehicle's name and color scheme. Upgrades can be installed and swapped via a panel on its left shoulder. The Prawn must be detached from the Moonpool in order to access this panel. Opening the panel reveals six slots - four for vehicle upgrades and two for arm attachments. The Storage, Hull Reinforcement and Engine Efficiency modules are compatible with the Seamoth.

Prawn Suit Pressure Compensator Mark 1
Depth Module

Increases the vehicle's maximum crush depth, enabling it to survive greater pressure. Each successive module increases the crush depth by 400 meters. This effect does not stack.

Depth Module Crush Depth
None 900 meters
MK1 1300 meters
MK2 1700 meters
Storage Module

Storage Module

Increases maximum onboard storage capacity by six slots. This effect stacks with multiple modules.

Modules Slots
0 24
1 30
2 36
3 42
4 48
Seamoth Hull Reinforcement

Hull Reinforcement

Strengthens the chassis with a diamond lattice, increasing hull durability. Decreases collision damage by 50%; each successive module adds half the damage resistance of the last. Damage from aggressive fauna remains unchanged. Effect stacks with multiple modules.

Modules Damage Reduction
1 50%
2 75%
3 87.5%
4 93.75%
Seamoth Power Efficiency Module

Engine Efficiency Module

Increases maximum battery life by recycling engine thermal waste and decreases total power consumption by 15%. Effect stacks with multiple modules.

Modules Power Use Reduction
1 15%
2 30%
3 45%
4 60%
Exosuit Thermal Reactor Module

Thermal Reactor

Replenishes the onboard power supply by harnessing thermal energy in areas with an ambient temperature of 35ºC or greater. The charge rate depends on the amount of heat in the surrounding environment.

Temperature

Charge Rate
35ºC (95ºF) 10%
50ºC (122ºF) 18%
65ºC (149ºF) 26%
80ºC (176ºF) 34%
95ºC (203ºF) 42%
110ºC (230ºF) 50%
Exosuit Jet Jump Upgrade

Jump Jet Upgrade

Greatly increases thruster power and provides greater acceleration and maneuverability. Useful for reaching high ledges when used in conjunction with the grappling arm; burst-fire greatly increases lateral jump range.

(Activate by pressing and holding the spacebar on PC and Mac, the A button on Xbox One or the X button on PlayStation 4)

Prawn Suit Claw Arm Module

Claw Arm

Standard-issue environmental manipulation appendage. Useful for smashing small rocks for resources or delivering quick strikes to fend off predators. Items picked up are transferred to the onboard storage unit. Can be applied to both arms.

(Activate by pressing the corresponding mouse button on PC and Mac, trigger on Xbox One and Left or Right button on PlayStation 4)

Exosuit Drill Arm

Drill Arm

Allows for the drilling of Large Resource Deposits, breaking them down into manageable fragments. Also an effective weapon against larger creatures. Can be applied to either arm.

(Activate by pressing the corresponding mouse button on PC and Mac, trigger on Xbox One and Left or Right button on PlayStation 4)

Exosuit Grappling Arm Module

Grappling Arm

Fires a magnetic grappling claw that latches onto any solid object and pulls the vehicle toward it. Useful for retrieving items from otherwise inaccessible areas and reaching high ledges when used in conjunction with the jump jets. Can be applied to either arm.

(Activate by pressing the corresponding mouse button on PC and Mac, trigger on Xbox One and Left or Right button on PlayStation 4)

Propulsion Cannon for Exosuit

Propulsion Cannon

Functions identically to the Propulsion Cannon tool. It can lift any item and launch it a significant distance using a gravitational distortion field. Useful for retrieving items from otherwise inaccessible areas. Can be applied to either arm.

(Activate by pressing the corresponding mouse button on PC and Mac, trigger on Xbox One and Left or Right button on PlayStation 4)

Prawn Suit Torpedo Arm

Torpedo Arm

Functions identically to the Seamoth torpedo launcher. Can hold up to six and fire two torpedoes simultaneously. Can be applied to both arms, providing a maximum of twelve torpedoes and a four-shot salvo.

(Activate by pressing the corresponding mouse button on PC and Mac, trigger on Xbox One and Left or Right button on PlayStation 4)

Audio

Upon entering:

Prawn Suit Enter

Data Bank Entry

Fox3d-entertainment-exo

The Pressure Re-Active Waterproof Nano Suit is a range of mechs designed to protect the pilot from extreme environments. The Mk.III is the latest iteration, and has so far only been rolled out by Alterra for their own high-value, phasegate-related operations.

- The suit is fully insulated from the outside environment
- Powerful hydraulic limbs allow for manipulation of objects and powered traversal of the environment
- Rear-mounted thrusters provide maneuverability in low-gravity environments
- A range of modifications are available to facilitate resource extraction and enhanced exploration

'The Prawn Suit: It's got you covered.'

Gallery

Trivia

  • The Prawn Suit's current design is credited to an artist named "Mikhail". No information is known about him and his only other confirmed design is the Reaper Leviathan.
  • The former name for the Prawn Suit was the P.R.A.W.N Suit, and in earlier development, Exosuit.
  • In the early builds where the Prawn Suit could be spawned in using the dev console, taking it on land would crash the game.
  • The idea for the Prawn Suit may be taken from the Exosuit from Natural Selection 2, another game made by Unknown Worlds Entertainment.
  • Early animations for the Prawn Suit can be viewed here and here.
  • The Prawn Suit is the only vehicle from the base game to appear in Subnautica: Below Zero.

Bugs

This section contains bugs related to Prawn Suit. Make sure to only post reproducible bugs, and use appropriate system template ( XboxLogo, PlaystationLogo, WindowsLogo / AppleLogo ) depending on which platform(s) the bug has been encountered on.

  • PlaystationLogo WindowsLogo For a variety of reasons, the Prawn Suit can end up clipping into the ground and falling, sometimes far below the map. The most common cause is when the terrain's collision despawns before the Prawn Suit, allowing it to fall through. Other causes include hitting wall/floor before collision can take effect and hitting a certain spot on terrain allowing clipping, such as certain slopes and corners.
  • WindowsLogo If the player docks a Prawn Suit in a Moonpool and then builds a Multipurpose Room under the Moonpool so that it clips the Prawn Suit's legs, one can then undock the Prawn Suit which will get it stuck inside the Multipurpose Room. Exiting the Prawn Suit at this point will allow the player to swim around inside the Multipurpose Room.
  • WindowsLogo A speed boost commonly referred to as either "straferunning" or simply "strafing" in the Prawn Suit can be preformed. As long as the W key and either the A held or D key is held, as well as the camera is turned at a 45 degree angle away from where the player would like to travel, the player can move at twice the normal speed. This is probably for the same reason straferunning occurs in Doom, that being that the engine adds the two movement speeds together to work out the diagonal speed rather than averaging them.

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