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{{Dungeon Infobox
{{Duty infobox
|name= The Aetherochemical Research Facility
| name = The Aetherochemical Research Facility
|image=
| description = Your pursuit of the archbishop has brought you to the Aetherochemical Research Facility, at the heart of the floating isle of Azys Lla. However, he and his knights are not the only threat for which you must be prepared; shortly before your arrival, the VIth Imperial Legion entered the facility in search of the secret to mastering primals, and their presence will serve to complicate matters. With multiple factions and their ambitions set on a collision course, your mission promises to be fraught with danger and uncertainty both.
|type= dungeon4
| image = The Aetherochemical Research Facility.png
|patch= 3.0
| type = dungeon
|level= 60
| level = 60
|ilevel= 145
| level-sync = 60
|player= 4 (1 Tank / 1 Healer / 2 DPS)
| ilvl = 142
|time= 90 Minutes
| ilvl-sync = 180
|roulette= ??
| difficulty = normal
|tomestone= [[File:law icon1.png|link=Allagan Tomestone of Law|20px|Allagan Tomestone of Law]] 100
| size = 4man
|entrance= ??
| time-limit = 90
|questtype= main
| duty-finder = Dungeons (Heavensward)
|quest= [[Heavensward (Quest)]]
| roulette = High-level Dungeons
|boss= ??
| tomestones = 150 Poetics
}}
| entrance = Azys Lla
{{Quote|Your pursuit of the archbishop has brought you to the Aetherochemical Research Facility, at the heart of the floating isle of Azys Lla. However, he and his knights are not the only threat for which you must be prepared; shortly before your arrival, the VIth Imperial Legion entered the facility in search of the secret to mastering primals, and their presence will serve to complicate matters. With multiple factions and their ambitions set on a collision course, your mission promises to be fraught with danger and uncertainty both.|Game Description}}
| entrance-coordinates = 21.4, 22.5, 8.7
| req-quest = Heavensward (Quest)
| modes = duty support, explorer
| patch = 3.0
| release = heavensward
}} With the addition of [[Duty Support]] in [[Patch 6.3]], changes to progression and bosses were implemented. It, along with {{questlink|dungeon|Brayflox's Longstop}}, are the only MSQ dungeons to have 4 bosses instead of 3. This dungeon also does not drop any [[equipment]] as loot. To compensate, it rewards a large number of {{tomestone|poetics}} [[Allagan Tomestones of Poetics]].
{{TOC limit|3}}
==Duty Support==
{| {{STDT|pve align-left}}
!
! Scion Marauder
! Scion Conjurer
! Scion Thaumaturge
! Scion Lancer
|-
|
| [[File:DS Marauder6.png]]
| [[File:DS Conjurer6.png]]
| [[File:DS Thaumaturge6.png]]
| [[File:DS Lancer6.png]]
|-
| '''Class'''
| {{MRD}} [[Marauder]]
| {{CNJ}} [[Conjurer]]
| {{THM}} [[Thaumaturge]]
| {{LNC}} [[Lancer]]
|-
| '''Role'''
| Tank
| Healer
| DPS
| DPS
|}


==Unlock==
==Objectives==
Level 60 players need to start the level 60 [[Main Scenario Quest]] [[Heavensward (Quest)]]. Players can start the quest by talking to [[Guidance Node]] in [[Azys Lla]] (x15, y21). To unlock the quest, players need to complete the level 59 [[Main Scenario Quest]] [[Fetters of Lament]].
#Clear Analysis and Proving
#Clear Bioweapons Research
#Defeat Harmachis
#Defeat all opposition
#Defeat Ascian Prime
 
==Bosses==
{{#ev:youtube|ce5Hr2s6KSs|350|right|The Aetherochemical Research Facility Guide (Updated for 6.3)}}
 
===[[File:Aggressive difficulty r5.png|link=]] [[Regula van Hydrus]]===
 
* {{status effect|stun}} '''[[Stun]]s''' a random party member and follows up with untelegraphed AoE on them. Heal as necessary and move away from the stunned player.
 
* Summons turrets every phase swap, with one additional turret per swap. Turrets self-destruct if not killed in time, causing room-wide damage.
** Magitek Turret Is target a random party member with a visible line AoE ('''Aetherochemical Laser''') and will continuously attack them.
** Magitek Turret IIs target random party members with circle AoEs ('''Aetherochemical Grenado''').


==Objectives==
* The boss will start dashing to the walls and repeatedly cast '''Magitek Slug''', an easily dodged line AoE
* Defeat the Magitek Turrets to stop the boss from dashing, making him easier to hit.
* After the second set of adds, the boss will cast '''Magitek Spread''', a telegraphed 270 degree conal AoE.
 
===[[File:Aggressive difficulty r5.png|link=]] [[Harmachis]]===
 
*'''Weighing of the Heart''': Changes Forms, form will be announced but may be only a split second before the change. There is no cast or announcement prior to changing back to Sphinx.
 
*'''Sphinx form'''
**'''Riddle of the Sphinx''' is an easily dodged circle AoE.
**Will periodically attack the tank with a untelegraphed conal AoE ('''Chthonic Hush''') that inflicts {{status effect|poison}} '''[[Poison]]''' cleansable with {{action icon|Esuna}}.
 
*'''Anti-Cobra form'''
**Untelegraphed tankbuster ('''Hood Swing''')
 
*'''Anti-Naga form'''
**'''Petrifaction''' is a telegraphed gaze attack that will cause 10 seconds of '''Petrification''' unless you are looking away from the boss.
**'''Circle of Flames''' is an instant AoE that will target multiple party members, stay spread out to avoid stacking damage.
 
*'''Anti-Machina form'''
**'''Ballistic Missile''' will target a party member with a missile, indicated by a circular "enumeration" marker with a number of rotating spheres over it, indicating how many people should stack to prevent damage. Otherwise, the target player will take high damage.
**'''Gaseous Bomb''' is a stack marker targeting a random player. The entire party should stack.
 
===[[File:Aggressive difficulty r6.png|link=]] [[Lahabrea]] & [[Igeyorhm]]===
As of [[Patch 6.3]], the battle will only end when both [[Ascians]]' health are reduced to 0.1% instead of 50%, and both will always be targettable.


(1) Clear Analysis and Proving
*'''Shadow Flare''': Unavoidable Raidwide damage cast by Lahabrea
*'''Fire Sphere''': Lahabrea summons five untargettable '''Burning Stars''' that will explode in AoE circles after a few seconds.
**'''Esoteric Fusion''': Another version of this spell will result in two pairs of Burning Stars that are tethered and advance towards each other, which will explode upon contact.
*'''Grip of Night''': A frontal cone AoE cast by Igeyorhm.
*'''Circle of Ice''': Igeyorhm summons four '''Frozen Stars''' that detonate Donut AoE circles. Stand on the '''Frozen Stars''' to avoid damage.
**'''Esoteric Fusion''': Igeyorhm will tether two of her '''Frozen Stars''' together, creating a bigger donut AoE that covers the safe spots in the other '''Frozen Stars'''. Players should therefore stand under where the tethered '''Frozen Stars''' will detonate to avoid damage.
*'''End of Days''': Similar to the [[Towering Oliphant]]'s '''Rout''' attack in [[The Dusk Vigil]], this is a line stack marker, which requires players to line up between Lahabrea and the targetted player.
*'''Dark Fire II''': Lahabrea puts circle purple AoE markers on all players, who should spread to avoid overlapping.
*If the health difference between the bosses become too large, the higher HP boss will transfer some of its health to the lower HP boss.


(2) Clear Bioweapons Research
===[[File:Aggressive difficulty r6.png|link=]] [[Ascian Prime]]===
The dungeon does not end when [[Lahabrea]] and [[Igeyorhm]] are defeated. Instead, a notably long but skippable cutscene will show the two merging into the real final boss, Ascian Prime. In addition, failing mechanics will now inflict {{status effect|vulnerability up}} [[Vulnerability Up]] on players.


(3) Defeat Harmachis
* '''Shadow Flare''': Unavoidable Raidwide Damage.
* '''Height of Chaos''': Tankbuster
* '''Dualstar''': Features combinations of the tethered '''Burning Stars''' and '''Frozen Stars''' from the previous battle. Ascian Prime will then cast '''Fusion Prime''' to make them collide.  If non-tanks are hit by two AoEs at once, they will likely die. To tell the order of the collisions and their AoEs, players must eye the distance of the tethers and the colors of the orbs instead of relying on the orange AoE indicators, which only briefly appears before the AoEs resolve.
**If the '''Frozen Stars''' collide first, stand under them and quickly run away from the imminent detonation of the '''Burning Stars'''
**If the '''Burning Stars''' collide first, run away from them and then quickly run under the '''Frozen Stars''' before they detonate as well.
**Using {{action icon|Sprint}} is recommended.
<gallery mode="packed" heights="300px">
ARF ice first.png|'''Ice Collides First''': Start in the middle of the room, and once the ice donut AoE goes off, run to the wall away from all the fire spheres. 
ARF fire first.png|'''Fire Collides First''': Start near the wall away from all the fire spheres, and once they explode, run to the middle of the room. Don't start directly at the wall so you won't need to run as far.
</gallery>
* '''Universal Manipulation''': Causes room-wide damage and five debuffs. As of [[Patch 6.3]], there no portals to hide in and avoid this, and the debuffs will detonate the following mechanics:
**''{{status effect|bleed}}'' '''[[Bleeding]]''': Players take damage overtime until the debuff expires.
**[[File:ancient circle icon1.png|link=]] '''Ancient Circle''': Upon expiring, this creates a massive donut AoE around each player. They should stack in the center to ensure the donut AoEs do not spread there.
**[[File:dark whispers icon1.png|link=]] '''Dark Whispers''': Upon expiring, this creates a purple AoE circle on each player, who should spread out to avoid overlapping.
**[[File:ancient frost icon1.png|link=]] '''Ancient Frost''': Upon expiring, the afflicted player will find themselves the victim of a stack marker.
**[[File:burning chains icon2.png|link=]] '''Burning Chains''': Upon expiring, players are chained by pairs and must run away from each other to break them.
* '''Entropic Flame''': A line stack marker.
*'''Arcane Revelation''': A reprisal of [[Lahabrea]]'s ultimate from {{questlink|main|The Ultimate Weapon}}. Ascian Prime becomes untargettable, summons a large '''Arcane Sphere''', and begins siphoning power from it to fill an '''Ascian Prime's Power''' gauge. Meanwhile, untargettable Shades of '''Lahabrea''' and '''Igeyorhm''' periodically appear to unleash mechanics on the party
**'''Chilling Cross''' and '''Dark Fire II''': '''Igeyorhm's shade''' creates cross line AoEs from the middle of the arena while '''Lahabrea's shade''' places purple AoE circles on players.
**'''Dark Blizzard II''' and '''Dark Fire II''': '''Igeyorhm's shade''' creates several frozen line AoEs while '''Lahabrea's shade''' places purple AoE circles on players.
**'''Shadow Flare''': Both Shades cast this at the same time, dealing extra raidwide damage.
**'''Annihilation''': Heavy raid-wide damage based on how far the '''Ascian Prime's Power''' gauge filled. If Ascian Prime was allowed to reach 100%, his attack will wipe the party
*'''Ancient Eruption''': Ascian Prime causes AoE circles to appear underneath each player.
From there, the mechanics repeat themselves until the boss is defeated.


(4) Defeat all opposition
==Loot==
===[[File:Silver Coffer (small).png|link=]] [[Regula van Hydrus]]===
*{{Item reward|15|Allagan Tomestone of Poetics}}


(5) Defeat -Spoiler-
===[[File:Silver Coffer (small).png|link=]] [[Harmachis]]===
*{{Item reward|30|Allagan Tomestone of Poetics}}


==Bosses==
===[[File:Silver Coffer (small).png|link=]] [[Lahabrea]] & [[Igeyorhm]]===
{{#ev:youtube|Fihr0Chc9Qo|350|right|The Aetherochemical Research Facility Guide}}
*{{Item reward|45|Allagan Tomestone of Poetics}}


'''First Boss'''
===[[File:Gold Coffer (small).png|link=]] [[Ascian Prime]]===
*{{Item reward|60|Allagan Tomestone of Poetics}}
{{Drops table header}}
{{Drops table row|Faded Copy of Imagination|fixed=y}}
{{Table footer}}


* Stuns the tank and follows up with a high damage attack. Heal as necessary.
*{{Item reward|100|Allagan Tomestone of Poetics}} for first time completion


* Summons turrets every phase swap, with one additional turret per swap. Turrets target random party members and self destruct if not killed in time, causing room-wide damage.
==Achievements==
This duty is associated with the following [[achievements]]:


* During Phase 2 he does a charging attack wich deals heavy damage. Simply move out of this.
{| {{STDT| mech1 sortable align-left}}
{{achievement table header}}
{{achievement table row|Mapping the Realm: Aetherochemical Research Facility}}
|}


* At the end of Phase 2 he does an AoE attack that hits everywhere except directly behind him.
==Images==
===Dungeon Images===
<gallery mode="packed" heights="200px">
File:The Aetherochemical Research Facility4.jpg
File:The Aetherochemical Research Facility2.jpg
</gallery>


'''Harmachis:'''
===Other Images===
<gallery mode="packed" heights=500px>
ARF dialogue1.jpg|Dungeon Dialogue Infographic Part 1 (credits: [https://www.reddit.com/r/ffxiv/comments/1b4r5ap/dungeon_dialogue_infographic_the_aetherochemical/ TrustInsighters])
ARF dialogue2.jpg|Dungeon Dialogue Infographic Part 2
ARF dialogue3.jpg|Dungeon Dialogue Infographic Part 3
</gallery>


* Sphinx form: Dodge AoEs, poison attack on the tank
==Lore==
===The Study Of Eikons===
The ancient Allagan civilization rose to greatness through the blessings of aetherochemistry, and in order to advance this field of science born of the union between magic and technology, they built the Aetherochemical Research Facility. Originally situated near present-day Mor Dhona, it was relocated to Azys Lla towards the end of the Third Astral Era. Information recently deciphered from tomestones revealed that the move came about with the commencement of research into eikon suppression. Following debate over ways to protect the facility’s secrets, isolation was settled upon as the best solution


* Serpent form: High damage tank buster (6000-8000+ damage)
As would be confirmed millennia later with Azys Lla’s discovery, the Allagans' efforts bore fruit. In addition to sectors dedicated to automachina and bioweapon research, the facility housed what was called Triad Control, which served to restrain and imprison actual eikons. Covetous of this power, the Garlean Empire dispatched the VIth Imperial Legion and its flagship, the Gratio, to the floating continent that it might avail itself of the ancients' secrets.


* Naga form: Casts Petrification, a standard gaze attack that can be avoided by looking away from the boss while it is being cast.
===Regula van Hydrus===
Legatus of the VIth Imperial Legion, Regula has long been a close friend of Emperor Varis, and his loyalty to his liege is absolute. In return, Varis has absolute trust in Regula, and thus did he charge him with leading the expedition to retrieve the secrets of eikon suppression on Azys Lla.


* Anti-Machina form: A party member will be targeted with a high-damage missile. Stack on other party members to spread the damage.
===Ascian Prime===
Calling upon the power of the Echo to break down the barriers of their souls, the Ascians Lahabrea and Igeyorhm merged into a single entity. As one, they proved far more formidable than the sum of their individual forms, and were capable of wielding the mightiest magicks with fearsome ease. Thus freed from their mortal restraints, they assumed a ghastly appearance befitting the servants of Darkness.


'''Third Boss'''
===More===
Even after five thousand years, many parts of the facility were miraculously found to be fully functional. The Sons of Saint Coinach posit that the Allagans likely employed temporal magicks, which they studied in the twilight of the Third Astral Era, to place certain contraptions into stasis.


* There are two bosses active during the course of the fight. Whichever one is not active will cast line AoEs while the party fights the other boss.
==Dialogue==
====Duty Support Dialogue====
'''Scion Marauder:''' This place just keeps getting weirder...
'''Scion Thaumaturge:''' Aye, it's downright uncanny here.


* Both bosses will periodically cast Blizzard Spheres which freeze and then Fire Spheres which deal high damage. Getting frozen by Blizzard Spheres will usually result in being wiped by a Fire Sphere.
'''Scion Conjurer:''' Sentinels!?


* When boss "L" is active the floor will be frozen, causing party members to slip forward when attempting to walk. Boss "I" will then cast AoE's that do large damage--be very careful not to slip into AoEs in this phase.
'''Regula van Hydrus:''' No sooner do I clear away the rabble...
'''Scion Marauder:''' If it isn't an imperial legatus!
'''Regula van Hydrus:''' Let's get this over with, shall we?
'''Regula van Hydrus:''' Turrets, deploy!
'''Regula van Hydrus:''' Your reputation is well deserved.
Very well, let us try something different.
'''Regula van Hydrus:''' The day is yours...but we will meet again.
'''Scion Conjurer:''' At least he knows when to quit.


'''Final boss'''
'''Scion Conjurer:''' What do you suppose are in those tanks?
'''Scion Thaumaturge:''' Monstrosities─definitely monstrosities.
'''Bioculture Node:''' Intruders detected. Releasing bioweapons.
'''Bioculture Node:''' Releasing additional bioweapons.
All personnel, please proceed calmly to the nearest exit.


* Dodge AoEs
'''Scion Marauder:''' Here we go again.
'''Scion Thaumaturge:''' Watch each other's backs!
'''Bioculture Node:''' Intruders detected. Releasing bioweapons.
'''Bioculture Node:''' Releasing additional bioweapons.
All personnel, please proceed calmly to the nearest exit.


* Boss will mark two players with a circular AoE with a safe area in the middle. All players should stack up to avoid taking damage.
'''Scion Thaumaturge:''' What a strange-looking...I'm going to go with “thing.”
'''Harmachis:''' Activating Harmachis.
Commencing bioweapon assessment.
'''Harmachis:''' Engaging anti-cobra mode.
'''Harmachis:''' Anti-cobra testing complete.
'''Harmachis:''' Engaging anti-naga mode.
'''Harmachis:''' Anti-naga testing complete.
'''Harmachis:''' Engaging anti-machina mode.
'''Harmachis:''' Anti-machina testing complete.
'''Harmachis:''' Assessment complete. Result: Outstanding.
Subject approved for mass production.
'''Scion Thaumaturge:''' Clever how it transforms.  
'''Scion Conjurer:''' Certainly an efficient way to test creations...


* Boss will become immune and summon two orbs--Blizzard and Fire--that move towards them. As before, Blizzard will freeze the party if not broken and Fire will deal damage if not broken. Kill the Blizzard orb first in the event there is not enough DPS for both orbs.
'''Scion Marauder:''' Looks like we're heading down.


* Last phase will spawn four dark portals around the room. The boss will begin casting Universal Manipulation, which deals AoE damage and places a plethora of hazardous debuffs (think Bad Breath with stuns.) Players must jump into the portals before the cast bar completes to avoid Universal Manipulation. Some AoE healing is necessary as the portals place a DoT on each party member.
'''Scion Thaumaturge:''' I swear, every time you ride a lift...  
'''Scion Marauder:''' I know, right!?


* At around 30%, the boss attaches orbs to all players. These do not dissipate and should be soaked (1500-2000 damage) and healed through. Players can run from the orbs to stall for time if they have any hazardous debuffs or are too low on HP to survive.
'''Scion Conjurer:''' What could that illuminated place be?


==Loot==
'''Scion Conjurer:''' Looks like this is as deep as it goes.
'''Scion Marauder:''' The archbishop must be close.


10 [[Allagan Tomestone of Law]] for first boss
====Dungeon Cutscene====
'''Lahabrea:''' The champion of Hydaelyn.
'''Igeyorhm:''' Tell me: why do you despise the primals so?
'''Igeyorhm:''' They are the embodiment of mortal will─of mortal desire.
'''Igeyorhm:''' Plainly, you ''desire'' a foe to despise. And 'tis well that you do, for it is from the vortex of ceaseless conflict that Lord Zodiark shall be reborn.
'''Lahabrea:''' Through the Joining, the world shall become whole again.
'''Lahabrea:''' Then all shall be as once it was─as it should ever have remained.
'''Igeyorhm:''' For the glory of Lord Zodiark.
'''Lahabrea:''' Your meddling ends here and now, Warrior of Light!


20 [[Allagan Tomestone of Law]] for second and third boss
====Duty Support Dialogue====
'''Scion Marauder:''' It's over, Ascians!
'''Scion Conjurer:''' We'll teach you to underestimate us!
'''Igeyorhm:''' Come! We settle this once and for all!
'''Lahabrea:''' Our might knows no bounds!
'''Lahabrea:''' Fires of creation─arise!
'''Lahabrea:''' My magicks flow as one!
'''Igeyorhm:''' Mortal scum! I will entomb you in ice!
'''Igeyorhm:''' Let us see you withstand two magicks at once!


30 [[Allagan Tomestone of Law]] for final boss
====Dungeon Cutscene 2====
'''Lahabrea:''' Such strength! It defies all reason...
'''Igeyorhm:''' No! I will not be bested by the likes of them!
'''Igeyorhm:''' Lahabrea! It is time!
'''Lahabrea:''' Very well. Let us show these mortals the true power of the Echo...
'''Lahabrea:''' The power to break down the barriers of existence!
'''Igeyorhm:''' I am become you...
'''Lahabrea:''' ...And we are become one.
'''Ascian Prime:''' Come, mortals! Render up your souls, that Lord Zodiark might be reborn!


40 [[Allagan Tomestone of Law]] for first time completion
====Duty Dialogue====
'''Ascian Prime:''' Ahhh, the power of Darkness surges... Tranquil as ice, vicious as fire!
'''Ascian Prime:''' Feel the might of our magicks combined!
'''Ascian Prime:''' Not even the laws of creation can withstand the tides of chaos!
'''Ascian Prime:''' Stubborn mortals... Very well, we will show you our true strength!
'''Ascian Prime:''' Know eternal despair! Fire and ice consume you!
'''Ascian Prime:''' Even without the blessing of Light... How is this possible!?


==Images==
====Dungeon Cutscene====
'''Ascian Prime:''' Aaargh!!!
'''Ascian Prime:''' What walls are these? Arrrgh! Damn you, Hydaelyn!


{{dungeons}}
{{Duties nav|dungeon}}

Latest revision as of 21:05, 9 November 2024

Dungeon.png

The Aetherochemical Research Facility

The Aetherochemical Research Facility.png
Level
60 (Sync: 60)
Item Level
142 (Sync: 180)
Difficulty
Normal
Party size
Light Party
4 man • 1 Tank role.png 1 Healer role.png 2 DPS role.png
Unsyncing
Allowed
Time limit
90 minutes
Duty Finder
Dungeons (Heavensward)
Roulette
High-level Dungeons
Tomestones
Allagan Tomestone of Poetics 150 
Req. quest
Main Scenario quest Heavensward
Entrance
Azys Lla (X:21.4, Y:22.5, Z:8.7)
Modes
Duty Support, Explorer
Patch
3.0
“

Your pursuit of the archbishop has brought you to the Aetherochemical Research Facility, at the heart of the floating isle of Azys Lla. However, he and his knights are not the only threat for which you must be prepared; shortly before your arrival, the VIth Imperial Legion entered the facility in search of the secret to mastering primals, and their presence will serve to complicate matters. With multiple factions and their ambitions set on a collision course, your mission promises to be fraught with danger and uncertainty both.

— In-game description

The Aetherochemical Research Facility is a level 60 dungeon introduced in patch 3.0 with Heavensward. With the addition of Duty Support in Patch 6.3, changes to progression and bosses were implemented. It, along with Dungeon Brayflox's Longstop, are the only MSQ dungeons to have 4 bosses instead of 3. This dungeon also does not drop any equipment as loot. To compensate, it rewards a large number of Allagan Tomestone of Poetics Allagan Tomestones of Poetics.

Duty Support

Scion Marauder Scion Conjurer Scion Thaumaturge Scion Lancer
DS Marauder6.png DS Conjurer6.png DS Thaumaturge6.png DS Lancer6.png
Class Marauder frame icon.png Marauder Conjurer frame icon.png Conjurer Thaumaturge frame icon.png Thaumaturge Lancer frame icon.png Lancer
Role Tank Healer DPS DPS

Objectives

  1. Clear Analysis and Proving
  2. Clear Bioweapons Research
  3. Defeat Harmachis
  4. Defeat all opposition
  5. Defeat Ascian Prime

Bosses

The Aetherochemical Research Facility Guide (Updated for 6.3)

Aggressive difficulty r5.png Regula van Hydrus

  • Stun icon1.png Stuns a random party member and follows up with untelegraphed AoE on them. Heal as necessary and move away from the stunned player.
  • Summons turrets every phase swap, with one additional turret per swap. Turrets self-destruct if not killed in time, causing room-wide damage.
    • Magitek Turret Is target a random party member with a visible line AoE (Aetherochemical Laser) and will continuously attack them.
    • Magitek Turret IIs target random party members with circle AoEs (Aetherochemical Grenado).
  • The boss will start dashing to the walls and repeatedly cast Magitek Slug, an easily dodged line AoE
  • Defeat the Magitek Turrets to stop the boss from dashing, making him easier to hit.
  • After the second set of adds, the boss will cast Magitek Spread, a telegraphed 270 degree conal AoE.

Aggressive difficulty r5.png Harmachis

  • Weighing of the Heart: Changes Forms, form will be announced but may be only a split second before the change. There is no cast or announcement prior to changing back to Sphinx.
  • Sphinx form
    • Riddle of the Sphinx is an easily dodged circle AoE.
    • Will periodically attack the tank with a untelegraphed conal AoE (Chthonic Hush) that inflicts Poison icon1.png Poison cleansable with Esuna.png  Esuna.
  • Anti-Cobra form
    • Untelegraphed tankbuster (Hood Swing)
  • Anti-Naga form
    • Petrifaction is a telegraphed gaze attack that will cause 10 seconds of Petrification unless you are looking away from the boss.
    • Circle of Flames is an instant AoE that will target multiple party members, stay spread out to avoid stacking damage.
  • Anti-Machina form
    • Ballistic Missile will target a party member with a missile, indicated by a circular "enumeration" marker with a number of rotating spheres over it, indicating how many people should stack to prevent damage. Otherwise, the target player will take high damage.
    • Gaseous Bomb is a stack marker targeting a random player. The entire party should stack.

Aggressive difficulty r6.png Lahabrea & Igeyorhm

As of Patch 6.3, the battle will only end when both Ascians' health are reduced to 0.1% instead of 50%, and both will always be targettable.

  • Shadow Flare: Unavoidable Raidwide damage cast by Lahabrea
  • Fire Sphere: Lahabrea summons five untargettable Burning Stars that will explode in AoE circles after a few seconds.
    • Esoteric Fusion: Another version of this spell will result in two pairs of Burning Stars that are tethered and advance towards each other, which will explode upon contact.
  • Grip of Night: A frontal cone AoE cast by Igeyorhm.
  • Circle of Ice: Igeyorhm summons four Frozen Stars that detonate Donut AoE circles. Stand on the Frozen Stars to avoid damage.
    • Esoteric Fusion: Igeyorhm will tether two of her Frozen Stars together, creating a bigger donut AoE that covers the safe spots in the other Frozen Stars. Players should therefore stand under where the tethered Frozen Stars will detonate to avoid damage.
  • End of Days: Similar to the Towering Oliphant's Rout attack in The Dusk Vigil, this is a line stack marker, which requires players to line up between Lahabrea and the targetted player.
  • Dark Fire II: Lahabrea puts circle purple AoE markers on all players, who should spread to avoid overlapping.
  • If the health difference between the bosses become too large, the higher HP boss will transfer some of its health to the lower HP boss.

Aggressive difficulty r6.png Ascian Prime

The dungeon does not end when Lahabrea and Igeyorhm are defeated. Instead, a notably long but skippable cutscene will show the two merging into the real final boss, Ascian Prime. In addition, failing mechanics will now inflict Vulnerability Up icon1.png Vulnerability Up on players.

  • Shadow Flare: Unavoidable Raidwide Damage.
  • Height of Chaos: Tankbuster
  • Dualstar: Features combinations of the tethered Burning Stars and Frozen Stars from the previous battle. Ascian Prime will then cast Fusion Prime to make them collide. If non-tanks are hit by two AoEs at once, they will likely die. To tell the order of the collisions and their AoEs, players must eye the distance of the tethers and the colors of the orbs instead of relying on the orange AoE indicators, which only briefly appears before the AoEs resolve.
    • If the Frozen Stars collide first, stand under them and quickly run away from the imminent detonation of the Burning Stars
    • If the Burning Stars collide first, run away from them and then quickly run under the Frozen Stars before they detonate as well.
    • Using Sprint icon1.png  Sprint is recommended.

  • Ice Collides First: Start in the middle of the room, and once the ice donut AoE goes off, run to the wall away from all the fire spheres.

  • Fire Collides First: Start near the wall away from all the fire spheres, and once they explode, run to the middle of the room. Don't start directly at the wall so you won't need to run as far.

  • Universal Manipulation: Causes room-wide damage and five debuffs. As of Patch 6.3, there no portals to hide in and avoid this, and the debuffs will detonate the following mechanics:
    • Bleed icon1.png Bleeding: Players take damage overtime until the debuff expires.
    • Ancient circle icon1.png Ancient Circle: Upon expiring, this creates a massive donut AoE around each player. They should stack in the center to ensure the donut AoEs do not spread there.
    • Dark whispers icon1.png Dark Whispers: Upon expiring, this creates a purple AoE circle on each player, who should spread out to avoid overlapping.
    • Ancient frost icon1.png Ancient Frost: Upon expiring, the afflicted player will find themselves the victim of a stack marker.
    • Burning chains icon2.png Burning Chains: Upon expiring, players are chained by pairs and must run away from each other to break them.
  • Entropic Flame: A line stack marker.
  • Arcane Revelation: A reprisal of Lahabrea's ultimate from Main Scenario QuestThe Ultimate Weapon. Ascian Prime becomes untargettable, summons a large Arcane Sphere, and begins siphoning power from it to fill an Ascian Prime's Power gauge. Meanwhile, untargettable Shades of Lahabrea and Igeyorhm periodically appear to unleash mechanics on the party
    • Chilling Cross and Dark Fire II: Igeyorhm's shade creates cross line AoEs from the middle of the arena while Lahabrea's shade places purple AoE circles on players.
    • Dark Blizzard II and Dark Fire II: Igeyorhm's shade creates several frozen line AoEs while Lahabrea's shade places purple AoE circles on players.
    • Shadow Flare: Both Shades cast this at the same time, dealing extra raidwide damage.
    • Annihilation: Heavy raid-wide damage based on how far the Ascian Prime's Power gauge filled. If Ascian Prime was allowed to reach 100%, his attack will wipe the party
  • Ancient Eruption: Ascian Prime causes AoE circles to appear underneath each player.

From there, the mechanics repeat themselves until the boss is defeated.

Loot

Silver Coffer (small).png Regula van Hydrus

Silver Coffer (small).png Harmachis

Silver Coffer (small).png Lahabrea & Igeyorhm

Gold Coffer (small).png Ascian Prime

Name Type Item Level Rarity Quantity
Faded copy of imagination icon1.png  Faded Copy of Imagination   This item is guaranteed to drop. Orchestrion Roll N/A ABasic 1

Achievements

This duty is associated with the following achievements:

Name Points Task Reward Patch
Mapping the realm aetherochemical research facility icon1.png  Mapping the Realm: Aetherochemical Research Facility 10 Discover every location in the Aetherochemical Research Facility. - 3.0

Images

Dungeon Images

  • The Aetherochemical Research Facility4.jpg
  • The Aetherochemical Research Facility2.jpg

Other Images

  • Dungeon Dialogue Infographic Part 1 (credits: TrustInsighters)

  • Dungeon Dialogue Infographic Part 2

  • Dungeon Dialogue Infographic Part 3

Lore

The Study Of Eikons

The ancient Allagan civilization rose to greatness through the blessings of aetherochemistry, and in order to advance this field of science born of the union between magic and technology, they built the Aetherochemical Research Facility. Originally situated near present-day Mor Dhona, it was relocated to Azys Lla towards the end of the Third Astral Era. Information recently deciphered from tomestones revealed that the move came about with the commencement of research into eikon suppression. Following debate over ways to protect the facility’s secrets, isolation was settled upon as the best solution

As would be confirmed millennia later with Azys Lla’s discovery, the Allagans' efforts bore fruit. In addition to sectors dedicated to automachina and bioweapon research, the facility housed what was called Triad Control, which served to restrain and imprison actual eikons. Covetous of this power, the Garlean Empire dispatched the VIth Imperial Legion and its flagship, the Gratio, to the floating continent that it might avail itself of the ancients' secrets.

Regula van Hydrus

Legatus of the VIth Imperial Legion, Regula has long been a close friend of Emperor Varis, and his loyalty to his liege is absolute. In return, Varis has absolute trust in Regula, and thus did he charge him with leading the expedition to retrieve the secrets of eikon suppression on Azys Lla.

Ascian Prime

Calling upon the power of the Echo to break down the barriers of their souls, the Ascians Lahabrea and Igeyorhm merged into a single entity. As one, they proved far more formidable than the sum of their individual forms, and were capable of wielding the mightiest magicks with fearsome ease. Thus freed from their mortal restraints, they assumed a ghastly appearance befitting the servants of Darkness.

More

Even after five thousand years, many parts of the facility were miraculously found to be fully functional. The Sons of Saint Coinach posit that the Allagans likely employed temporal magicks, which they studied in the twilight of the Third Astral Era, to place certain contraptions into stasis.

Dialogue

Duty Support Dialogue

Scion Marauder: This place just keeps getting weirder... 
Scion Thaumaturge: Aye, it's downright uncanny here.

Scion Conjurer: Sentinels!?

Regula van Hydrus: No sooner do I clear away the rabble... 
Scion Marauder: If it isn't an imperial legatus! 
Regula van Hydrus: Let's get this over with, shall we? 
Regula van Hydrus: Turrets, deploy! 
Regula van Hydrus: Your reputation is well deserved.
Very well, let us try something different. 
Regula van Hydrus: The day is yours...but we will meet again. 
Scion Conjurer: At least he knows when to quit.

Scion Conjurer: What do you suppose are in those tanks? 
Scion Thaumaturge: Monstrosities─definitely monstrosities. 
Bioculture Node: Intruders detected. Releasing bioweapons. 
Bioculture Node: Releasing additional bioweapons.
All personnel, please proceed calmly to the nearest exit.

Scion Marauder: Here we go again. 
Scion Thaumaturge: Watch each other's backs! 
Bioculture Node: Intruders detected. Releasing bioweapons. 
Bioculture Node: Releasing additional bioweapons.
All personnel, please proceed calmly to the nearest exit.

Scion Thaumaturge: What a strange-looking...I'm going to go with “thing.” 
Harmachis: Activating Harmachis.
Commencing bioweapon assessment. 
Harmachis: Engaging anti-cobra mode. 
Harmachis: Anti-cobra testing complete. 
Harmachis: Engaging anti-naga mode. 
Harmachis: Anti-naga testing complete. 
Harmachis: Engaging anti-machina mode. 
Harmachis: Anti-machina testing complete. 
Harmachis: Assessment complete. Result: Outstanding.
Subject approved for mass production. 
Scion Thaumaturge: Clever how it transforms. 
Scion Conjurer: Certainly an efficient way to test creations...

Scion Marauder: Looks like we're heading down.

Scion Thaumaturge: I swear, every time you ride a lift... 
Scion Marauder: I know, right!?

Scion Conjurer: What could that illuminated place be?

Scion Conjurer: Looks like this is as deep as it goes. 
Scion Marauder: The archbishop must be close.

Dungeon Cutscene

Lahabrea: The champion of Hydaelyn. 
Igeyorhm: Tell me: why do you despise the primals so? 
Igeyorhm: They are the embodiment of mortal will─of mortal desire. 
Igeyorhm: Plainly, you desire a foe to despise. And 'tis well that you do, for it is from the vortex of ceaseless conflict that Lord Zodiark shall be reborn. 
Lahabrea: Through the Joining, the world shall become whole again. 
Lahabrea: Then all shall be as once it was─as it should ever have remained. 
Igeyorhm: For the glory of Lord Zodiark. 
Lahabrea: Your meddling ends here and now, Warrior of Light!

Duty Support Dialogue

Scion Marauder: It's over, Ascians! 
Scion Conjurer: We'll teach you to underestimate us! 
Igeyorhm: Come! We settle this once and for all! 
Lahabrea: Our might knows no bounds! 
Lahabrea: Fires of creation─arise! 
Lahabrea: My magicks flow as one! 
Igeyorhm: Mortal scum! I will entomb you in ice! 
Igeyorhm: Let us see you withstand two magicks at once!

Dungeon Cutscene 2

Lahabrea: Such strength! It defies all reason... 
Igeyorhm: No! I will not be bested by the likes of them! 
Igeyorhm: Lahabrea! It is time! 
Lahabrea: Very well. Let us show these mortals the true power of the Echo... 
Lahabrea: The power to break down the barriers of existence! 
Igeyorhm: I am become you... 
Lahabrea: ...And we are become one. 
Ascian Prime: Come, mortals! Render up your souls, that Lord Zodiark might be reborn!

Duty Dialogue

Ascian Prime: Ahhh, the power of Darkness surges... Tranquil as ice, vicious as fire! 
Ascian Prime: Feel the might of our magicks combined! 
Ascian Prime: Not even the laws of creation can withstand the tides of chaos! 
Ascian Prime: Stubborn mortals... Very well, we will show you our true strength! 
Ascian Prime: Know eternal despair! Fire and ice consume you! 
Ascian Prime: Even without the blessing of Light... How is this possible!?

Dungeon Cutscene

Ascian Prime: Aaargh!!! 
Ascian Prime: What walls are these? Arrrgh! Damn you, Hydaelyn!
Dungeons
A Realm Reborn
(Lv. 15-50) 		Sastasha (Hard) • The Tam-Tara Deepcroft (Hard) • Copperbell Mines (Hard) • Halatali (Hard) • The Thousand Maws of Toto-Rak • Haukke Manor (Hard) • Brayflox's Longstop (Hard) • The Sunken Temple of Qarn (Hard) • Cutter's Cry • The Stone Vigil (Hard) • Dzemael Darkhold • The Aurum Vale • Castrum Meridianum • The Praetorium • Amdapor Keep (Hard) • The Wanderer's Palace (Hard) • Pharos Sirius • The Lost City of Amdapor • Hullbreaker Isle • Snowcloak • The Keeper of the Lake
Heavensward
(Lv. 51-60) 		The Dusk Vigil • Sohm Al (Hard) • The Aery • The Vault • The Great Gubal Library (Hard) • The Aetherochemical Research Facility • Neverreap • The Fractal Continuum • Saint Mocianne's Arboretum • Pharos Sirius (Hard) • The Antitower • The Lost City of Amdapor (Hard) • Sohr Khai • Hullbreaker Isle (Hard) • Xelphatol • Baelsar's Wall
Deep Dungeon: Palace of the Dead
Stormblood
(Lv. 61-70) 		The Sirensong Sea • Shisui of the Violet Tides • Bardam's Mettle • Doma Castle • Castrum Abania • Ala Mhigo • Kugane Castle • The Temple of the Fist • The Drowned City of Skalla • Hells' Lid • The Fractal Continuum (Hard) • The Swallow's Compass • Saint Mocianne's Arboretum (Hard) • The Burn • The Ghimlyt Dark
Deep Dungeon: Heaven-on-High
Shadowbringers
(Lv. 71-80) 		Holminster Switch • Dohn Mheg • The Qitana Ravel • Malikah's Well • Mt. Gulg • Amaurot • The Twinning • Akadaemia Anyder • The Grand Cosmos • Anamnesis Anyder • The Heroes' Gauntlet • Matoya's Relict • Paglth'an
Endwalker
(Lv. 81-90) 		The Tower of Zot • The Tower of Babil • Vanaspati • Ktisis Hyperboreia • The Aitiascope • The Dead Ends • Smileton • The Stigma Dreamscape • Alzadaal's Legacy • The Fell Court of Troia • Lapis Manalis • The Aetherfont • The Lunar Subterrane
Variant and Criterion: The Sil'dihn Subterrane (Another / Savage) • Mount Rokkon (Another / Savage) • Aloalo Island (Another / Savage)
Deep Dungeon: Eureka Orthos
Dawntrail
(Lv. 91-100) 		Ihuykatumu • Worqor Zormor • The Skydeep Cenote • Vanguard • Origenics • Alexandria • Tender Valley • The Strayborough Deadwalk • Yuweyawata Field Station
Duties
Dungeons • Guildhests • Trials • Raids • PvP • Quest Battles • Treasure Hunt • Deep Dungeons • Field Operations • Variant and Criterion Dungeons • Gathering Forays • The Gold Saucer • Hall of the Novice • Stone, Sky, Sea • The Masked Carnivale

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