Kas'im was a male Twi'lek and Dark Lord of the Sith who lived during the New Sith Wars. Bought from slavery by the Sith Lord Na'daz, Kas'im became his chosen apprentice before he could walk, and spent the following years training in the Sith arts. His master taught him in the ways of all seven forms of lightsaber combat, and eventually, Kas'im killed his master in a duel.