Yith-Tula

Yith-Tula was an aboleth, one of the Exalted Broodlings of Lith-Cyak. They were revered by a sect of Shantymen of Shanty’s Market in the undercity and sunken citadel below Damarask.
Yith-Tula was slain at the hands of the Shore’s Light when they refused to take on her "blessing."