Kimasxi Adder-Tongue is one of the many students of Fall-from-Grace working in the Brothel for Slaking Intellectual Lusts.
Be sure to bring Morte when speaking with her. She can be asked to help him improve his Litany of Curses.
Kimasxi Adder-Tongue helps the Nameless One learn that Kesai-Serris is Ravel Puzzlewell's daughter. See Kesai-Serris' page for more information.
Kimasxi also plays a role in helping the Nameless One find Vivian's missing scent and Marissa's stolen veil. See those characters' respective pages for more information.