Akhmet drinks the offered draught, and feels sudden clarity. His mind expands, even though it already knows much of demons, and suddenly even more forgotten knowledge fills his head. He tries to think of this particular marilith, knowing that one who has risen to such heights of command should have left many tales of her past.
Spoiler: OOC(1d20+37) Knowledge: Planes. Includes bonus from Devilbane Priest as well as the drink.