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Mind Flayer Colony

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The Mind Flayer Colony
The Mind Flayer Colony is a Location within the Shadow-Cursed Lands in Act Two of Baldur's Gate 3. It is located under the Moonrise Towers Prison in the Shadow-Cursed Lands.
Map of the Mind Flayer Colony

Access[edit section | visual editor]

This area is accessed by jumping down into a tower after the fight against Ketheric Thorm Ketheric Thorm on the Moonrise Towers Rooftop. Upon arriving from the Moonrise Towers Rooftop, the party must destroy the membrane to move forward. Numerous intellect devourers move around the Colony; they only become hostile if a fight breaks out nearby.

While inside the Mind Flayer Colony, the party cannot fast-travel or go to camp.

Points of interest[edit section | visual editor]

Morgue[edit section | visual editor]

Corpses strung up at the morgue

The morgue is run by Chop Chop, a strange bugbear who butchers humanoids to create new Intellect Devourers Intellect Devourers.[1]

If not killed on the Nautiloid, Us Us is imprisoned here. After talking to Us, the interacting party member can convince Chop to give them a Morgue Cage Key with a successfulDC 14 Persuasion Check DC 14 Persuasion Check, DC 18 Intimidation Check DC 18 Intimidation Check, or Illithid Wisdom. If freed, Us rewards the party member with the item  Summon Us.

If a party member threatens to kill Chop, he responds as though he wants them to. Despite this, attacking still makes him and the surrounding intellect devourers (except for Us) hostile. Nonetheless, as he is killed, Chop comments that he is "free at last". The intellect devourers outside of the morgue remain neutral.

There is also a mechanical device called Touch, which controls the pipe that transports corpses. Upon the first interaction, the pipe drops a corpse, on which Speak with Dead Speak with Dead can be used.

Necrotic Laboratory[edit section | visual editor]

Main article: Necrotic Laboratory
Balthazar's Necrotic Laboratory

Balthazar's laboratory is in the south-east of the map, at X: 715 Y: -49. Upon entering the area, a battle with a large number of undead commences, including a Death Shepherd Death Shepherd, four Winged Horrors Winged Horrors and Greater Zombies Greater Zombies, as well as six Zombies Zombies.

Further southeast is a Brain Mapping Puzzle, consisting of four mental faculties (Emotion, Speech, Memory, and Reason). To solve this puzzle, each mental faculty must be connected to its identical matching faculty on the far side of the puzzle by selecting intervening nodes. Successfully solving the puzzle grants the Brain Blast!⁠Brain Blast! to characters with the Sage Sage background and access to the  Blade of Oppressed Souls and the  Waking Mind. Beside the Waking Mind is a skeleton at X: 750 Y: -138 with the  Circlet of Mental Anguish and  Braindrain Gloves.

The Mind-Archive Interface at X: 699 Y: -117 allows the party to talk to the minds inside the brain jars scattered across the area via the Slack-Skinned Head.

 Mol's Eyepatch and a  Prayer for Forgiveness which can shed some light on The Dark Urge are on a table near the mind-archive interface.

Tadpoling Centre[edit section | visual editor]

Main article: Tadpoling Centre
The tadpoling centre

The Tadpoling Centre is a roughly-round room filled with Mind Flayer Pods; some contain non-hostile humanoid characters, including Zevlor Zevlor (Find Zevlor⁠Find Zevlor quest), while others contain Mind Flayers. A Neural Apparatus at X: 689 Y: 17 gives the party a choice between purging or opening all of the pods – illithid and humanoid alike.

If a party member purges the pods, Zevlor and all others in the pods die; if they are opened, the party must fight several mind flayers and intellect devourers (though the newly-freed characters fight alongside the party, providing significant aid.)

Zevlor and the other survivors might turn hostile if they are damaged by the party, including via spell AOE effects such as Cloud of Daggers Cloud of Daggers or Flame Strike Flame Strike.[verify]

Brine Pools room[edit section | visual editor]

The brine pools room

In the next area (Brine pools room), Mizora Mizora is stuck in a pod. She can be freed to advance The Blade of Frontiers⁠The Blade of Frontiers, Wyll's companion quest.

Mizora's pod has its own controls. The left is 'annihilate', the right is 'unleash'; each requires DC 10 Arcana Check DC 10 Arcana Check to decipher its function, but can be passed automatically if the same words were deciphered on the Nautiloid in the Ceremorphosis chambers. If a party member frees Mizora while Wyll is present, she rewards them (DC 14 Persuasion Check DC 14 Persuasion Check required) with the  Infernal Rapier. Killing Mizora via the 'annihilate' button results in Wyll's death as well, whether he is in the active party or not.

Interacting with the brine pool near Mizora (DC 16 Perception Check DC 16 Perception Check) yields a  Mind Flayer Parasite Specimen.

Barracks[edit section | visual editor]

In the north-eastern corner of the colony are the barracks, where the party can meet Kressa Bonedaughter Kressa Bonedaughter and her Skull Lashers. After brief dialogue, it is possible to fight against Kressa or convince her to stand down with a successful DC 21 Deception Check DC 21 Deception Check. If friendly, Kressa can be persuaded (DC 18 Persuasion Check DC 18 Persuasion Check) to grant her blessing, Myrkul's Gift Myrkul's Gift, to each party member who speaks to her. Only one check is needed to make this blessing available to the whole party.

Kressa recognises The Dark Urge, if they are present and undisguised, and recalls their time spent under her 'care' in the colony. While it is revealing, this conversation inevitably leads to combat.

In the chambers are also several notes that can shed light on The Dark Urge.

Advance to Ketheric Thorm[edit section | visual editor]

To complete Defeat Ketheric Thorm⁠Defeat Ketheric Thorm, the party must proceed to the lift in the eastern part of the Mind Flayer Colony. Before descending, the party can use the Restoration Pod to the right of the lift to receive the benefits of a Long Rest.

Upon descending, a cutscene is triggered, wherein the party can watch Ketheric Thorm Ketheric Thorm, Enver Gortash Enver Gortash and Orin the Red Orin the Red, learn of their plans, and see the Netherbrain Netherbrain, thus discovering the true identity of the Absolute. If Gale Gale is present, there is the option to allow him to explode the Netherese Orb, killing the Netherbrain, all three Chosen, and the party, resulting in a very early endgame. Otherwise the cutscene continues with the Elder Brain infecting Duke Ravengard Duke Ravengard with a Tadpole, before the Chosen of the Dead Three unleash their assault on Baldur's Gate.

Proceeding down the lift also grants the From Head to Toe⁠From Head to Toe inspiration to characters with the Outlander Outlander background, and witnessing the cutscene earns the A Piece of Three⁠A Piece of Three inspiration to characters with the Acolyte Acolyte background.

Fight with Ketheric[edit section | visual editor]

The platform for fighting Ketheric

Ketheric may also be accompanied by his daughter Isobel Isobel, if she was successfully abducted by Marcus Marcus. Isobel then carries a Mind Flayer Tadpole and is completely loyal to her father. If the player character passes multiple Persuasion Persuasion and / or Intimidation Intimidation checks, both atop Moonrise Towers and in the Mind Flayer Colony, Ketheric Thorm can be asked to repent. Doing so skips the first half of his fight in the Mind Flayer Colony as he gives himself to Myrkul.[2]

Otherwise, when the second fight with Ketheric starts, he begins by calling on Myrkul Myrkul for aid. As Ketheric remains invulnerable as long as the Nightsong Nightsong remains trapped inside a soul cage, the party's initial goal should be freeing her with the Help Help action from it. If present, Isobel always fights alongside her father and her death cannot be prevented.

After the battle, several cutscenes are triggered. A portal then opens which allows the party to return to the ground floor of Moonrise Towers, where they can speak with some of the characters met in the Shadow-Cursed Lands before heading west to Baldur's Gate. It is also possible to travel to the Last Light Inn and talk with the remaining characters there.

Related locations[edit section | visual editor]

Related quests[edit section | visual editor]

Characters[edit section | visual editor]

Available to Speak with Dead[edit section | visual editor]

Creatures[edit section | visual editor]

Loot[edit section | visual editor]

Notable items obtained in this location, whether looted, purchased, or obtained as a quest reward:

Quest items[edit section | visual editor]

Other[edit section | visual editor]

Notes and references[edit section | visual editor]

  1. ↑ It is possible to overhear Chop from the Oubliette, suggesting that the Morgue and Oubliette share a wall. However, the Mind Flayer Colony cannot be accessed until the end of Act Two, and the player character notes aloud there is no way through.
  2. ↑ If any creatures here are sneak attacked or defeated prior to interacting with Ketheric Thorm, he cannot be reasoned with and a fight begins as normal.
  3. ↑ The eypatch is in the necrotic laboratory at X: 693 Y: -111, it progresses Find Mol⁠Find Mol.
  4. ↑ The netherstone can be looted from Ketheric Thorm, it progresses Defeat Ketheric Thorm⁠Defeat Ketheric Thorm.
  5. ↑ This rapier is given by Mizora as a reward for freeing her from the Mindlfayer Pod, it progresses The Blade of Frontiers⁠The Blade of Frontiers.
  6. ↑ This sword can be obtained in the Necrotic Laboratory after solving the brain puzzle.
  7. ↑ These gloves can be looted from a skeleton near the Necrotic Laboratory at X: 748 Y: -141.
  8. ↑ This circlet can be looted from a skeleton in the Necrotic Laboratory at X: 748 Y: -141.
  9. ↑ This shield can be looted from Ketheric Thorm.
  10. ↑ This warhammer can be looted from Ketheric Thorm.
  11. ↑ This armour can be looted from Ketheric Thorm.
  12. ↑ This scourge can be looted from Kressa Bonedaughter.
  13. ↑ This item can be obtained after freeing Us from the cage in ther morgue.
  14. ↑ This item is in Balthazar's necrotic laboratory.
  15. ↑ This item can be obtained in the Necrotic Laboratory after solving the brain puzzle.
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