In the mirror universe, Beqar is the communications officer aboard the IKS Ya'Vang.

In 2375, Beqar was serving under Captain Kurn. In 2375, she intercepted and decrypted a message from Zek aboard the Rebel starship Capital Gain to the station Empok Nor. She then intercepted a message from Terok Nor to the Capital Gain. (DS9 novel: Saturn's Children)

Beqar continued to serve on the Ya'Vang after Kurn was killed in an attack on Terok Nor and Krona took command of the Ya'Vang. (ST - Mirror Universe novel: Rise Like Lions)