Karsoluthiyl

Karsoluthiyl is a Drow city located hundreds of miles beneath Waterdeep.

Two prominant houses are House Tanor'Thal and House Lysaen. Both houses are big players in the slave trade of Skullport. Tanor'Thal has an outpost on the 5th level of Undermountain called Kyorlamshin, while Lysaen are expanding into the 3rd level.