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(add locations and match in game subheaders. (edit in process. up to investigate vault entrace). links and locations.)
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[[Kadara]] needs clean drinking water — streams and lakes are toxic and filled with sulfuric acid. [[Remnant]] technology could transform Kadara's water supply, but the monoliths around the planet must be activated to begin this process.
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[[File:MEA Journal - Kadara.png|250px|right|Healing Kadara's Heart]][[Kadara]] needs clean drinking water — streams and lakes are toxic and filled with sulfuric acid. [[Remnant]] technology could transform Kadara's water supply, but the monoliths around the planet must be activated to begin this process.
   
 
== Acquisition ==
 
== Acquisition ==
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== Walkthrough ==
 
== Walkthrough ==
{{Note}}The monoliths can be activated in any order.
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The monoliths can be activated in any order.
  +
=== Activate Monoliths (0/3) ===
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=== Activate monoliths ===
;Eastern Monolith
 
  +
==== Eastern monolith ====
The Eastern Monolith is north of [[Kadara Port]]. Approaching the location will start an objective to scan Glyphs.
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The eastern monolith{{MapIcon|monolith}}is just north of [[Kadara Port]]. Approaching the location will start an objective to [[Scanner (Mass Effect: Andromeda)|scan]] [[Remnant Glyphs|Glyphs]].
=== The Outlaw Monolith ===
 
  +
==== Scan For Glyphs (0/3) ====
 
Find two glyphs that are scannable from the ground and one requires climbing up some rocks to reach. They are the Adherence Glyph, Entropy Glyph, and Zero Glyph.
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Two glyphs are scannable from the ground and one requires climbing up some rocks to reach. They are the Adherence Glyph, Entropy Glyph, and Zero Glyph.
   
 
Climbing up some rocks to one of the glyphs, there is an Adaptive Remnant Core Device to scan for +100 {{RDIcon|Remnant}}. There is also a container that can be looted.
 
Climbing up some rocks to one of the glyphs, there is an Adaptive Remnant Core Device to scan for +100 {{RDIcon|Remnant}}. There is also a container that can be looted.
   
 
After scanning the three glyphs, interact with the console to activate the monolith. Solve the puzzle to activate the monolith. For the puzzle console solution, see [[Healing Kadara's Heart#Puzzle Solutions|here]].
==== Activate The Monolith ====
 
After scanning the three glyphs, interact with the console to activate the monolith. Solve the puzzle to activate the monolith. ''For the puzzle console solution, see [[Healing Kadara's Heart#Puzzle_Solutions|here]]''.
 
   
;Western Monolith
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==== Western monolith ====
The western monolith is accessed through a canyon like crevice from the west in the [[Sulfur Springs]] region. Ryder will find a group of [[angara]] fighting exiles. Approaching the crevice will start an objective to scan Glyphs.
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The western monolith{{MapIcon|monolith}}is accessed through a canyon-like crevice from the west in the [[Sulfur Springs]] region. Ryder will find a group of [[angara]] fighting [[Outlaws]] there, and of course who isn't spoiling for a good fight. Approaching the crevice will start an objective to scan Glyphs.
=== The Outlaw Monolith ===
 
==== Scan For Glyphs (0/2) ====
 
Find two glyphs (scannable from the ground). They are the Hydrodynamic Glyph and Nihility Glyph.
 
==== Activate The Monolith ====
 
After scanning the two glyphs, interact with the console to activate the monolith.
 
   
 
There are two glyphs scannable from the ground. They are the Hydrodynamic Glyph and Nihility Glyph. After scanning the two glyphs, interact with the console to activate the monolith.
Ryder can speak to the Local Angara after the fight but this conversation doesn't get Ryder anything.
 
  +
 
Ryder can speak to the Local Angara after the fight but this conversation only brings the angara fresh news about Ryder's relationship to their species.
  +
  +
==== Southern monolith ====
 
The southern monolith{{MapIcon|monolith}} is just north of the southernmost [[Forward Station]], southwest of Kadara Port. It can be accessed from the east through a cave in the [[Draullir]] region.
   
;Southern Monolith
 
The southern monolith is accessed from the east through a cave in the [[Draullir]] region.
 
 
Entering the cave starts an objective to scan Glyphs. Ryder will find a trail of [[Observer]]s riddled with bullet holes on the way into the cave. [[Raider]]s with a [[Hydra (enemy)|Hydra]] have to be eliminated.
 
Entering the cave starts an objective to scan Glyphs. Ryder will find a trail of [[Observer]]s riddled with bullet holes on the way into the cave. [[Raider]]s with a [[Hydra (enemy)|Hydra]] have to be eliminated.
=== The Outlaw Monolith ===
 
==== Scan For Glyphs (0/4) ====
 
There are four glyphs to scan in this area The four glyphs are the Interval Glyph, Kinetic Glyph, Semiosis Glyph, Thermodynamic Glyph. Three of the glyphs can be scanned standing on the ground, the fourth is in the previous "room" in the cave.
 
   
 
There are four glyphs to scan in this area. The four glyphs are the Interval Glyph, Kinetic Glyph, Semiosis Glyph, and Thermodynamic Glyph. Three of the glyphs can be scanned standing on the ground; the fourth is in the previous "room" in the cave.
==== Activate The Monolith ====
 
  +
 
After scanning all four glyphs, interact with the console to activate the monolith.
 
After scanning all four glyphs, interact with the console to activate the monolith.
   
=== Investigate The Vault's Entrance ===
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=== Investigate the vault's entrance ===
Travel to the vault location which is located southeast of the [[Forward Station]] in the [[Haarfel]] region. Take the gravity well down.
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A navpoint{{MapIcon|tracked}}will be added once all three monoliths have been activated. Travel to the vault location located southwest of the [[Forward Station]] in the [[Haarfel]] region. Open the door and take the gravity well down into the vault.
   
=== Activate The Vault's Emergency Power ===
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=== Activate the vault's emergency power ===
Use the console on the upper ledge. Below it Ryder can scan for 100 {{RDIcon|Remnant}}.
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Use the Power Console on the elevated platform. Hidden below the elevated platform to the westernmost end there's an Adaptive Remnant Core Device (+100 {{RDIcon|Remnant}}).
   
=== Remove The Vault Lockdown ===
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=== Remove the vault's lockdown ===
  +
Use the three consoles surrounded by bubbles to open the door into the vault. {{Warning}}Entering the bubbles to activate each console causes small but continuing damage to Ryder's shields. Once each console is activated the damage will cease.
[[File:Kadara_vault.png|left|700px]]
 
{{clr}}
 
   
Use the three consoles surrounded by bubbles to open the door into the vault. The big console is used when Ryder is escaping the vault.
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The big console in front of the vault entrance proper is only used later when Ryder is escaping the vault.
   
  +
The initial Remnant greeting party beyond the door is just two [[Breacher]]s and an [[Observer]]. After dispatching of them, carefully survey the cavernous surroundings.
Go down to the hexagonal platform.
 
   
  +
[[File:Kadara vault - barely visible remnant core device.png|right|380px|A particularly hidden Adaptive Remnant Core Device]]Before jumping down to the hexagonal platform, {{note|take note}} of an easy-to-miss Adaptive Remnant Core Device on the right-hand side, down below the platform you're in. Look for the telltale blue strobe lights produced by the rotating core and scan for +100 {{RDIcon|Remnant}}.
{{Note}}There is a console on this platform, but the player doesn't need to use it to attain anything in the vault.
 
   
  +
Besides the ammo resupply, there's a console on the hexagonal platform. Its default configuration lays down a longer path toward the vault center. Activating it raises a platform from the ferrofluid for you to reach the door to the vault center much faster, but at the expense of grabbing all other treasures the vault holds. {{warning|It also closes the door to a rem-tech cache nearby}}, and [[SAM]] even reminds you that it will affect your escape from the vault later. In terms of risk-reward analysis just leave the default setting be.
Jump up on the pylons to the right. There is 100 {{RDIcon|Remnant}} to scan.
 
   
  +
Jump up on the pylons to the right and into stable elevated ground. There are two [[Assembler]]s here for your squad to disassemble. On an outcropping highly visible from the entrance, there is an Adaptive Remnant Core Device to scan for +100 {{RDIcon|Remnant}}. On the topmost dimly-lit elevated ground there's a container for looting.
Use the bridge to go to the north side.
 
   
On the platform is a barrier-locked room with rem-tech Ryder can pick up during the escape. [[SAM]] sets a navpoint for it.
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To reach the northside platform from your location a bridge will spawn once you're near enough the ledge. On the platform is a barrier-locked room with the aforementioned rem-tech Ryder can pick up during the escape. SAM sets a navpoint{{MapIcon|objective}}for it. Across the ferrofluid, visible from this platform but unreachable from the scanner yet is another Adaptive Remnant Core Device, as well as two Breachers and a [[Nullifier]] on the adjacent solid ground. Ignore them for now for they can be dealt with later.
   
  +
[[File:Kadara vault - goodie chamber entrances.png|left|380px|Two doors, two rewards]]Continuing on the only path there's a Remnant console up ahead that controls whether to raise physical barriers or change the nature of field bubbles that appear after first interfacing. Default configuration has the barriers raised. Changing it for the first time turns the field bubbles on and lowers the barriers. Changing it again raises the barriers again but turns the field bubbles hostile to Ryder's shields.
==== The Puzzle To The West ====
 
Follow the path to the west. Jump up to the topmost ledge and use the console to unlock the door.
 
   
  +
There are 3 Assemblers and a Nullifier guarding the area ahead. There's also a [[Turret (Mass Effect: Andromeda)|turret]] that can be controlled through a nearby console. After dealing with them, there's a container at the center of the field bubbles. Two explorable areas are in the immediate vicinity: one to the north and one to the west. Before deciding where first, though, it would be more prudent to scour the area for goodies.
Inside is a [[Destroyer]], some other Remnant forces, and a [[Turret (Mass Effect: Andromeda)|turret]] in the far end of the room.
 
   
  +
North from the western door there's a small container. South from the western door there's a semi-hidden area with a lootable container and a scannable Stratospheric Glyph on a pillar. Further east accessible by sprint-jumping, there's another small container. On the elevated dimly-lit area from the left-hand side of the console controlling the field bubbles (southwest going by absolute map directions), there's another console that opens a door on the northeast, across the ferrofluid. It's possible to jump to this room safely by sprint-jumping and air-dashing from the tallest nearby pillar, but getting back is difficult if not impossible - there's a console later on that will raise platforms allowing this room to be accessed safely, so the best course is to leave it for now.
On top of the pillar in the center of the room is a puzzle-locked console (needed for the [[Achievements#Mass_Effect:_Andromeda_Achievements.2FTrophies|Cryptographer Achievement]]). 2 [[Skills#Skill Points|skill points]] are rewarded. ''For the puzzle console solution, see [[Healing Kadara's Heart#Puzzle_Solutions|here]]''.
 
   
  +
==== Western chamber ====
 
[[File:Kadara vault - big guns.png|right|400px|The skill points are worth it]]Follow the path to the west. Jump up to the topmost ledge and use the console to unlock the door.
  +
Inside is a [[Destroyer (Remnant)|Destroyer]], two Nullifiers, two Assemblers, a turret in the far end of the room, and a field bubble hostile to Ryder's shields. A console near the turret can be hacked to turn it friendly and fight the other Remnant forces for you while the bubble can be configured to restore your shields through the console near it.
   
  +
Dispatching the smaller Remnant units is trivial, but dealing with the Destroyer in the confined space requires a bit more strategy. If it can be baited to perch on the top of the pillar, shooting at it from a safe distance becomes much easier since it can't properly target you on the ground.
==== The Remnant Data Core ====
 
There is a Remnant data core up to the north. Open the door and go into the room. Inside is another door that is locked. Activate the nearby consoles in the same order as the glyphs on the door. It will then be unlocked. Inside is a Remnant Data core for [[Task: Remnant Data Cores]], and 300 {{RDIcon|Remnant}} to scan.
 
   
 
On top of the pillar in the center of the room is a puzzle-locked console (needed for the [[Achievements#Mass Effect: Andromeda Achievements.2FTrophies|Cryptographer Achievement]]). 2 [[Skills#Skill Points|skill points]] are rewarded for solving the puzzle. For the puzzle console solution, see [[Healing Kadara's Heart#Puzzle Solutions|here]].
==== Unlock The Locked Room To The North ====
 
Walk to a point where the player can see the locked door to the north. Use the scanner to see the line in the air from the door to find the console that unlocks it. Jump up and activate it.
 
   
  +
==== Northern chamber ====
If the player continues along the ledges to the southwest, there are some containers on them.
 
  +
[[File:Kadara vault - door combination sequence.png|right|400px|Activate the corresponding consoles reading the glyphs from left to right]]The northern chamber has two Assemblers on patrol. Once they're destroyed, the next room is locked and unlocking requires activating the six nearby consoles in the same order as the glyphs that are shown on the door.
   
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Activating a console in the wrong order will result in an Observer spawning from the nearby Observer Replication Control. Scanning the ground beneath the consoles reveals a power line looping through them in the order they must be activated, but frankly it's easier to just read the door glyphs from left to right. Activated consoles glow red to differentiate them from those you haven't touched yet.
==== Getting To The Core Of The Vault ====
 
The player has two options to get to the northeast and east area:
 
*Return to the first hexagonal platform and use the console. Platforms rise from the fluid, and jumping between them will take Ryder to point #3. An effect of this is that during the escape - after picking up the rem-tech - Ryder will need to jump down on these platforms to reach the exit.
 
*Go to point #1 and jump over to point #2. Ryder will probably land in the fluid. Quickly jump again to get out of the fluid.
 
   
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Beyond the door is a Remnant Data core for [[Task: Remnant Data Cores]], and there are three Adaptive Remnant Core Devices to scan for +300 {{RDIcon|Remnant}}. There are also four Data Patterns than can be scanned on the ceiling of this room but they serve no function.
From #2 jump up on the ledge. Then jump up to get 100 {{RDIcon|Remnant}} from the Adaptive Remnant Core Device (the jump might take some attempts).
 
   
 
==== Getting to the core of the Vault ====
Jump down again and activate the console. Two pylon platforms rise from the fluid. Use them to get to the locked room (now unlocked) and loot the container.
 
  +
When the north and west areas have been picked clean, or if you had no interest dawdling around for those, time to backtrack to the hexagonal platform near the vault entrance.
   
  +
Assuming you want to avoid the ferrofluid, Ryder has two options to get to the northeast and east area. One is by using the aforementioned console in the hexagonal platform. An effect of this is that during the escape Ryder will need to jump down on platforms in the ferrofluid to reach the exit. The other is to sprint-jump then air-dash from the rem-tech platform to the low ground to the east, which places Ryder near the console needed to get to the small locked room (if you time this poorly, you'll still contact the ferrofluid briefly, but not enough to take damage).
Go to point #3.
 
   
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[[File:Kadara vault - pre-escape platform configuration.png|left|400px|The platforms should be raised and lowered accordingly beforehand to facilitate a more efficient escape from the vault]]To the right of the vault core door is an Adaptive Remnant Core Device (+100 {{RDIcon|Remnant}}). It's scannable from the ground, although the sloping boulder can be jumped on for a closer look. The nearby console opens the vault core door but lowers the platform access to the northeast part of the map, and no amount of sprint-jumping can cross the ferrofluid unscathed (except using [[Charge]] against a Remnant unit there if they're not dispatched yet).
Jump up to collect 100 {{RDIcon|Remnant}} to the south of the door.
 
   
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The console at the northeast area raises two pylon platforms from the ferrofluid when activated. Use them to get to the locked room (unlocked earlier from the console across the ferrofluid) and loot the container within. From the console the Adaptive Remnant Core Device visible from the rem-tech cache is now within scanning range for +100 {{RDIcon|Remnant}}.
Use the console to unlock the door to the vault core. The door opens, and the platform in the fluid Ryder needs for the escape disappears.
 
   
 
At this point most of the vault should have been picked clean and the only remaining unexplored area is the vault core itself. Use the controlling console to unlock the door to the vault core. The door opens, and the platform in the ferrofluid Ryder needs for the escape disappears.
In the core room the player will have to activate the five smaller consoles to be able to use the Purification Console. Remnant enemies will appear when Ryder uses the smaller consoles. After the player has defeated the enemies make sure to pick up the container in the ring of shields.
 
   
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[[File:Kadara vault - 5th wave.png|right|400px|Relentless but very stoppable]]In the core room, Ryder will have to activate the five smaller consoles to be able to use the Purification Console. As before, entering each bubble causes damage until the console is deactivated. Remnant enemies will appear when the smaller consoles are used. Starting with the second console: an Observer and an Assembler. Third console: Observer and Assembler again. Fourth console: 2 Assemblers and an Observer. Fifth console: 2 Assemblers, an Observer, and a Nullifier.
Activate the purification console.
 
   
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After Ryder has defeated the enemies, make sure to pick up the container to the east in the ring of shields.
=== Escape The Purification Field And Exit The Vault ===
 
  +
Run out and use the console at #3. Then follow the escape path. Pick up the rem-tech on the way out. Use the Activation Console in the gravity well room to turn off the purification field. Exit the vault.
 
  +
Upon activating the purification console, the [[Fusion Mods#Fusion Mods|Fusion Mod of Rapid Deployment]] is awarded.
  +
  +
=== Escape the purification field and exit the vault ===
  +
Run like your Ryder's life depends on it. If you don't like slogging through ferrofluid, there's short but ample time to use the console outside the vault core door to raise a platform to the northeast.
  +
  +
If you switched the console in the hexagonal platform away from its default position, you will be unable to pick up the rem-tech container on the way out. Otherwise, consider this a reminder to do so.
  +
 
Use the Activation Console in the gravity well room to turn off the purification field, then exit the vault.
   
 
== Aftermath ==
 
== Aftermath ==
The sulfur pools are no longer dangerous. They now look like unpolluted water, and are safe to walk into.
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The sulfur pools are no longer [[Hazard#Mass Effect: Andromeda|Hazard Level 4 Toxic Environment]]. The pools now look like unpolluted water and are safe to walk or drive into.
   
 
== Rewards ==
 
== Rewards ==
  +
*+1330 [[Experience Guide#Mass Effect: Andromeda|XP]]
*+1330 XP<br>
 
*+900 AVP {{AVPIcon}}<br>
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*+900 AVP {{AVPIcon}}
*+40% Kadara viability
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*+40% Kadara [[viability]]
  +
  +
== Enemies ==
  +
*[[Assembler]]
  +
*[[Breacher]]
  +
*[[Destroyer (Remnant)|Destroyer]]
  +
*[[Nullifier]]
  +
*[[Observer]]
   
 
== Puzzle Solutions ==
 
== Puzzle Solutions ==
  +
{{Main|Remnant Decryption Puzzle Guide}}
[[File:Kadara_puzzle_east.png|thumb|left|270px|Eastern Monolith]]
 
  +
{| align=center
[[File:Kadara_vault_puzzle.png|thumb|left|270px|Vault Puzzle]]
 
  +
|-
 
| [[File:Kadara puzzle east.png|left|225px]]
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| [[File:Kadara vault puzzle.png|left|225px]]
  +
|-
  +
| style="text-align: center;" | Eastern Monolith
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| style="text-align: center;" | Vault Console
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|}
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  +
<!--interwiki links-->
 
[[Category:Missions]]
 
[[Category:Missions]]
 
[[Category:Mass Effect: Andromeda]]
 
[[Category:Mass Effect: Andromeda]]
 
[[Category:Kadara]]
 
[[Category:Kadara]]
  +
[[Category:Heleus Assignments]]

Revision as of 15:38, 20 May 2019

Healing Kadara's Heart

Kadara needs clean drinking water — streams and lakes are toxic and filled with sulfuric acid. Remnant technology could transform Kadara's water supply, but the monoliths around the planet must be activated to begin this process.

Acquisition

This mission is added to the Journal when Pathfinder Ryder gets close to any of the three monoliths on Kadara.

Walkthrough

The monoliths can be activated in any order.

Activate monoliths

Eastern monolith

The eastern monolithMEA Monolith Map Iconis just north of Kadara Port. Approaching the location will start an objective to scan Glyphs.

Two glyphs are scannable from the ground and one requires climbing up some rocks to reach. They are the Adherence Glyph, Entropy Glyph, and Zero Glyph.

Climbing up some rocks to one of the glyphs, there is an Adaptive Remnant Core Device to scan for +100 Rd icon remnant orange. There is also a container that can be looted.

After scanning the three glyphs, interact with the console to activate the monolith. Solve the puzzle to activate the monolith. For the puzzle console solution, see here.

Western monolith

The western monolithMEA Monolith Map Iconis accessed through a canyon-like crevice from the west in the Sulfur Springs region. Ryder will find a group of angara fighting Outlaws there, and of course who isn't spoiling for a good fight. Approaching the crevice will start an objective to scan Glyphs.

There are two glyphs scannable from the ground. They are the Hydrodynamic Glyph and Nihility Glyph. After scanning the two glyphs, interact with the console to activate the monolith.

Ryder can speak to the Local Angara after the fight but this conversation only brings the angara fresh news about Ryder's relationship to their species.

Southern monolith

The southern monolithMEA Monolith Map Icon is just north of the southernmost Forward Station, southwest of Kadara Port. It can be accessed from the east through a cave in the Draullir region.

Entering the cave starts an objective to scan Glyphs. Ryder will find a trail of Observers riddled with bullet holes on the way into the cave. Raiders with a Hydra have to be eliminated.

There are four glyphs to scan in this area. The four glyphs are the Interval Glyph, Kinetic Glyph, Semiosis Glyph, and Thermodynamic Glyph. Three of the glyphs can be scanned standing on the ground; the fourth is in the previous "room" in the cave.

After scanning all four glyphs, interact with the console to activate the monolith.

Investigate the vault's entrance

A navpointMEA Tracked Objective Map Iconwill be added once all three monoliths have been activated. Travel to the vault location located southwest of the Forward Station in the Haarfel region. Open the door and take the gravity well down into the vault.

Activate the vault's emergency power

Use the Power Console on the elevated platform. Hidden below the elevated platform to the westernmost end there's an Adaptive Remnant Core Device (+100 Rd icon remnant orange).

Remove the vault's lockdown

Use the three consoles surrounded by bubbles to open the door into the vault. Warning: Entering the bubbles to activate each console causes small but continuing damage to Ryder's shields. Once each console is activated the damage will cease.

The big console in front of the vault entrance proper is only used later when Ryder is escaping the vault.

The initial Remnant greeting party beyond the door is just two Breachers and an Observer. After dispatching of them, carefully survey the cavernous surroundings.

A particularly hidden Adaptive Remnant Core Device

Before jumping down to the hexagonal platform, take note of an easy-to-miss Adaptive Remnant Core Device on the right-hand side, down below the platform you're in. Look for the telltale blue strobe lights produced by the rotating core and scan for +100 Rd icon remnant orange.

Besides the ammo resupply, there's a console on the hexagonal platform. Its default configuration lays down a longer path toward the vault center. Activating it raises a platform from the ferrofluid for you to reach the door to the vault center much faster, but at the expense of grabbing all other treasures the vault holds. It also closes the door to a rem-tech cache nearby, and SAM even reminds you that it will affect your escape from the vault later. In terms of risk-reward analysis just leave the default setting be.

Jump up on the pylons to the right and into stable elevated ground. There are two Assemblers here for your squad to disassemble. On an outcropping highly visible from the entrance, there is an Adaptive Remnant Core Device to scan for +100 Rd icon remnant orange. On the topmost dimly-lit elevated ground there's a container for looting.

To reach the northside platform from your location a bridge will spawn once you're near enough the ledge. On the platform is a barrier-locked room with the aforementioned rem-tech Ryder can pick up during the escape. SAM sets a navpointMEA Objective Map Iconfor it. Across the ferrofluid, visible from this platform but unreachable from the scanner yet is another Adaptive Remnant Core Device, as well as two Breachers and a Nullifier on the adjacent solid ground. Ignore them for now for they can be dealt with later.

Two doors, two rewards

Continuing on the only path there's a Remnant console up ahead that controls whether to raise physical barriers or change the nature of field bubbles that appear after first interfacing. Default configuration has the barriers raised. Changing it for the first time turns the field bubbles on and lowers the barriers. Changing it again raises the barriers again but turns the field bubbles hostile to Ryder's shields.

There are 3 Assemblers and a Nullifier guarding the area ahead. There's also a turret that can be controlled through a nearby console. After dealing with them, there's a container at the center of the field bubbles. Two explorable areas are in the immediate vicinity: one to the north and one to the west. Before deciding where first, though, it would be more prudent to scour the area for goodies.

North from the western door there's a small container. South from the western door there's a semi-hidden area with a lootable container and a scannable Stratospheric Glyph on a pillar. Further east accessible by sprint-jumping, there's another small container. On the elevated dimly-lit area from the left-hand side of the console controlling the field bubbles (southwest going by absolute map directions), there's another console that opens a door on the northeast, across the ferrofluid. It's possible to jump to this room safely by sprint-jumping and air-dashing from the tallest nearby pillar, but getting back is difficult if not impossible - there's a console later on that will raise platforms allowing this room to be accessed safely, so the best course is to leave it for now.

Western chamber

The skill points are worth it

Follow the path to the west. Jump up to the topmost ledge and use the console to unlock the door.

Inside is a Destroyer, two Nullifiers, two Assemblers, a turret in the far end of the room, and a field bubble hostile to Ryder's shields. A console near the turret can be hacked to turn it friendly and fight the other Remnant forces for you while the bubble can be configured to restore your shields through the console near it.

Dispatching the smaller Remnant units is trivial, but dealing with the Destroyer in the confined space requires a bit more strategy. If it can be baited to perch on the top of the pillar, shooting at it from a safe distance becomes much easier since it can't properly target you on the ground.

On top of the pillar in the center of the room is a puzzle-locked console (needed for the Cryptographer Achievement). 2 skill points are rewarded for solving the puzzle. For the puzzle console solution, see here.

Northern chamber

Activate the corresponding consoles reading the glyphs from left to right

The northern chamber has two Assemblers on patrol. Once they're destroyed, the next room is locked and unlocking requires activating the six nearby consoles in the same order as the glyphs that are shown on the door.

Activating a console in the wrong order will result in an Observer spawning from the nearby Observer Replication Control. Scanning the ground beneath the consoles reveals a power line looping through them in the order they must be activated, but frankly it's easier to just read the door glyphs from left to right. Activated consoles glow red to differentiate them from those you haven't touched yet.

Beyond the door is a Remnant Data core for Task: Remnant Data Cores, and there are three Adaptive Remnant Core Devices to scan for +300 Rd icon remnant orange. There are also four Data Patterns than can be scanned on the ceiling of this room but they serve no function.

Getting to the core of the Vault

When the north and west areas have been picked clean, or if you had no interest dawdling around for those, time to backtrack to the hexagonal platform near the vault entrance.

Assuming you want to avoid the ferrofluid, Ryder has two options to get to the northeast and east area. One is by using the aforementioned console in the hexagonal platform. An effect of this is that during the escape Ryder will need to jump down on platforms in the ferrofluid to reach the exit. The other is to sprint-jump then air-dash from the rem-tech platform to the low ground to the east, which places Ryder near the console needed to get to the small locked room (if you time this poorly, you'll still contact the ferrofluid briefly, but not enough to take damage).

The platforms should be raised and lowered accordingly beforehand to facilitate a more efficient escape from the vault

To the right of the vault core door is an Adaptive Remnant Core Device (+100 Rd icon remnant orange). It's scannable from the ground, although the sloping boulder can be jumped on for a closer look. The nearby console opens the vault core door but lowers the platform access to the northeast part of the map, and no amount of sprint-jumping can cross the ferrofluid unscathed (except using Charge against a Remnant unit there if they're not dispatched yet).

The console at the northeast area raises two pylon platforms from the ferrofluid when activated. Use them to get to the locked room (unlocked earlier from the console across the ferrofluid) and loot the container within. From the console the Adaptive Remnant Core Device visible from the rem-tech cache is now within scanning range for +100 Rd icon remnant orange.

At this point most of the vault should have been picked clean and the only remaining unexplored area is the vault core itself. Use the controlling console to unlock the door to the vault core. The door opens, and the platform in the ferrofluid Ryder needs for the escape disappears.

Relentless but very stoppable

In the core room, Ryder will have to activate the five smaller consoles to be able to use the Purification Console. As before, entering each bubble causes damage until the console is deactivated. Remnant enemies will appear when the smaller consoles are used. Starting with the second console: an Observer and an Assembler. Third console: Observer and Assembler again. Fourth console: 2 Assemblers and an Observer. Fifth console: 2 Assemblers, an Observer, and a Nullifier.

After Ryder has defeated the enemies, make sure to pick up the container to the east in the ring of shields.

Upon activating the purification console, the Fusion Mod of Rapid Deployment is awarded.

Escape the purification field and exit the vault

Run like your Ryder's life depends on it. If you don't like slogging through ferrofluid, there's short but ample time to use the console outside the vault core door to raise a platform to the northeast.

If you switched the console in the hexagonal platform away from its default position, you will be unable to pick up the rem-tech container on the way out. Otherwise, consider this a reminder to do so.

Use the Activation Console in the gravity well room to turn off the purification field, then exit the vault.

Aftermath

The sulfur pools are no longer Hazard Level 4 Toxic Environment. The pools now look like unpolluted water and are safe to walk or drive into.

Rewards

Enemies

Puzzle Solutions

Main article: Remnant Decryption Puzzle Guide
Kadara puzzle east
Kadara vault puzzle
Eastern Monolith Vault Console