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Control the Elder Brain

Control the Elder Brain is a sub-quest of the quest in Act Three of Baldur's Gate 3.
Objectives[edit | edit source]
Walkthrough[edit | edit source]
During Chapter Three, the party briefly ponders what they will do with the Elder Brain once it is confronted. This occurs during a camp event. Any decisions chosen do not lock in the choice from the party.
The true choice on what to do with the Elder Brain occurs at the very end of Netherbrain, is defeated using Karsus' Compulsion, a cutscene plays where the illithid in the party readies the Netherstones to destroy the Brain. The player character can decide to betray them and dominate the brain, or command them to destroy the brain. The following options all lead to an ending where the player character dominates the brain:
. Once the Elder Brain, now a-
Implore the Emperor to dominate the brain and rule the world, with you by his side.
- The Emperor
- I admire the ambition. The thought did cross my mind.
- The Emperor
- But whoever becomes the Absolute faces a war with the entire githyanki army.
- The Emperor
- Strong as we are, they are legion. I cannot be sure of survival.
- We can do it. I believe in us. (DC 20)
- We've already killed their Prince - may as well finish what we started. (DC 20)
- (if Crèche Y'llek was destroyed) We destroyed an entire githyanki crèche didn't we? (DC 20)
- Dominate the brain. Become the Absolute. Conquer the world.
- Betray the Emperor. Dominate the brain. Become the Absolute.
- Betray Orpheus. Dominate the brain. Become the Absolute.
- Betray Karlach. Dominate the brain. Become the Absolute.
Dark Urge characters get different options depending on whether or not they embraced Bhaal or rejected him. If the Dark Urge embraced Bhaal, they can choose to dominate the brain:
- Claim the Absolute in the name of Bhaal.
- Claim the Absolute in the name of Bhaal. Kill the Emperor.
- Claim the Absolute in the name of Bhaal. Kill Orpheus.
- Claim the Absolute in the name of Bhaal. Betray Karlach.
If choosing one of the options to become the Absolute, the illithid party member is stabbed to death, and the brain is controlled by the player character as the new Absolute. All the tadpoled companions (aside from Vampire Ascendant or ) remain as thralls, their free will now gone.
Achievements[edit | edit source]
- Absolute Power Corrupts
- Reign with terror: take control of the Netherbrain and bend the world to your will.