For the primary universe counterpart, see Valeris.

In the mirror universe, Valeris was a Vulcan woman recruited by a military cabal to assassinate Spock, the Emperor of the Terran Empire. This cabal consisted of Admirals Lance Cartwright, Thomas Morrow, Robert Bennett and Salliserra zh'Ferro, Colonel Ivan West and General Quiniven of Denobula. They were planning to assassinate him by having Valeris infiltrate the Emperor's elite Vulcan Guard as a suicide bomber in 2293. She was to blow herself up with ultritium and take out Emperor Spock, Empress Malena and most of the modified Imperial Legislature. However, she was killed by Saavik before she could make good on her plans as General Quiniven had been exposed using a captured Klingon mind-sifter. All of the conspirators were executed. (TOS - Mirror Universe novel: The Sorrows of Empire)

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