Mind Flayer Colony - Brine Pool. After beating up Ketheric Thorm, you'll have to chase after him in the Mind Flayer Colony. After you encounter the pod room where Zevlor is imprisoned, ...

To get the mind flayer parasite specimen, you need to pass a Perception skill check on a pool of brine. This pool can be found in the room containing Zariel’s Asset. 18.

Find another in a brine pool in the Mind Flayer Colony if you pass a perception check then interact with it. The pools are to the north of where you arrive, in the Tadpoling Centre, past the room ...

While mind flayer is not a Baldur's Gate 3 class, ... If you're wondering where, "some can be located inside jars and in pools of brine, others within the skulls of the infected." ...

Surprisingly, Orpheus can also willingly turn into a Mind Flayer after you use the Orphic Hammer, preventing anyone in your party from having to make a sacrifice in Baldur's Gate 3.

Acquire Mind Flayer Parasite Specimens to gain additional points for your powers in Baldur's Gate 3.