"The Ostus Legacy" is the 17th issue of the Advanced Dungeons & Dragons comics series set in the Forgotten Realms and published by DC Comics. It was written by Dan Mishkin, drawn by Jan Duursema, and edited by Elliot S. Maggin. It was the first part of "Kyriani's Story", which explored the nature of Kyriani, and was concluded by "Day of the Darkening".