Illithid Serum

Illithid Serums can be found in one of the rooms in the Mind Flayer Dungeon in the Underdark and is used to revive the slaves in the same dungeon. This item appears in Baldur's Gate: Enhanced Edition and Baldur's Gate II: Enhanced Edition.

Description
"This is a heavy metallic liquid that rolls into beads when spilled out into the palm of your hand. Whenever the flask containing the oil is opened, a sickly rotten-egg smell almost overwhelms you. While disgusting, the odor alone serves to heighten your senses."