Karsoluthiyl

Karsoluthiyl is a drow city located beneath the Trackless Sea, west of the mouth of the River Chionthar.

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.