[Mr_Rose]

Valmir von Raukov is part of a narrative campaign the studio played during the development of 8e then used as an illustrative example of the sort of thing people could do at home, had they the inclination.
He is not on any level an official part of the Empire army list any more than the Bright Wizard with the 48" range 5" template fireball that auto-casts with irresistible force is.