In the mirror universe, Asil was a female Vulcan who lived during the 24th century. She was the youngest child and only daughter of Tuvok and T'Pel and the younger sister of Sek, Varith and Elieth. She served in the household of a prominent official of the Klingon-Cardassian Alliance. She used her position to gather intelligence to aid the Terran Rebellion, including the location and security codes of a supply depot, which was raided by the Rebellion in 2371 to collect supplies to construct the Defiant. Like the rest of Tuvok's family, she was hidden to protect the secret of Vulcan telepathy, and was considered officially dead, murdered by the Alliance. (VOY novella: The Mirror-Scaled Serpent)