In the mirror universe, the CDS Koranak was a Cardassian Union starship, a Keldon-class (advanced variant) battleship in the 24th century, in service of the Obsidian Order in the 2370s decade, during the fall of the Klingon-Cardassian Alliance at the Battle of Bajor.
History and specifications
In the year 2378, the Koranak was the flagship of an Obsidian Order fleet, the existence of which was hidden from Central Command, and led it in support of the renegade Klingon Krona's attempt to destroy Bajor's sun B'hava'el using a trilithium explosive. Although it seemed highly likely that Tain's fleet would destroy the joint Terran Rebellion/Memory Omega forces, the Obsidian Orders ships were destroyed with all hands by the extremely powerful Ocampa telepath Kes using her psionic abilities. (ST - Mirror Universe novel: Rise Like Lions)