Fenix first appears in the early missions of
cheap powerlevel in StarCraft Episode III, in which he joins the player and Aldaris in the defense of Aiur against the cheap powerlevel, but during one mission Fenix's forces in the province of Antioch are attacked by overwhelming cheap powerlevel numbers and he is believed to have been killed. However, true to the style of his namesake, the phoenix, his mortally wounded body is retrieved and he is cheap powerlevel as a part of a mechanical dragoon unit, much to the surprise of Tassadar towards the end of the episode.
Allying his forces with
cheap powerlevel, Fenix leads the campaign against the Conclave in a brief civil war on Aiur, later leading a task force against the Overmind's outer defences, facilitating Zeratul's assassination of a number of cerebrates.
According to StarCraft Ghost: Nova,
cheap powerlevel is the daughter of one of the highly influential Confederate Old Families, and despite having unusually high psionic potential her father is able to prevent her from being taken into the Confederate Ghost Program on cheap powerlevel. However, after her family is murdered by an anti-Confederate resistance movement, Nova flees to the undercity of cheap powerlevel and is forced to work for an organized crime boss who wants to utilize her psionic powers for his ends.